{"id":8527,"date":"2023-03-04T14:53:41","date_gmt":"2023-03-04T07:53:41","guid":{"rendered":"https:\/\/arkvietnam.com\/?p=8527"},"modified":"2025-02-05T12:25:50","modified_gmt":"2025-02-05T05:25:50","slug":"standard-and-modern-coffee-processing-wastewater-treatment-methods","status":"publish","type":"post","link":"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/","title":{"rendered":"Standard and modern coffee processing wastewater treatment methods"},"content":{"rendered":"Coffee processing industrial wastewater is a type of wastewater generated from the stages of coffee processing, production, and washing. In particular, wastewater generated from coffee washing and grinding processes has very high concentrations of pollutants such as COD, BOD, SS and low pH. These types of pollutants exceed the allowable number of times specified in the standard document QCVN 40\/2011.\r\n\r\n<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8585 aligncenter\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-0.jpg\" alt=\"Coffee processing factory wastewater treatment\" width=\"1280\" height=\"718\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-0.jpg 1280w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-0-510x286.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-0-300x168.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-0-1024x574.jpg 1024w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-0-768x431.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-0-18x10.jpg 18w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-0-600x337.jpg 600w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/>\r\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Tim_hieu_nuoc_thai_che_bien_ca_phe\" >Learn about coffee processing wastewater<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Bang_thanh_phan_tinh_chat_nuoc_thai_ca_phe\" >Table of properties of coffee wastewater<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Tac_hai_cua_nuoc_thai_cong_nghiep_che_bien_cafe\" >Harmful effects of coffee processing industry wastewater<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Tinh_trang_o_nhiem_moi_truong_do_nuoc_thai_cong_nghiep_che_bien_ca_phe_gay_ra\" >Environmental pollution caused by wastewater from the coffee processing industry<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Giai_phap_cho_viec_xu_ly\" >Solution for handling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Cac_cong_trinh_xu_ly_nuoc_thai_cong_nghiep_che_bien_ca_phe\" >Wastewater treatment works for the coffee processing industry<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#1_Xu_ly_vat_ly\" >1. Physical handling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#2_Xu_ly_hoa_hoc\" >2. Chemical treatment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#3_Xu_ly_sinh_hoc\" >3. Biological treatment<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Quy_trinh_he_thong_xu_ly\" >Process System\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Thuyet_minh_so_do_xu_ly_nuoc_thai_che_bien_ca_phe\" >Explain the scheme of wastewater treatment for coffee processing<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Be_dieu_hoa\" >Air tanks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Be_Anoxit_be_sinh_hoc_thieu_khi\" >Anoxic tank (anoxic biological tank)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Be_Aerotank\" >Aerotank<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Be_lang_sinh_hoc\" >Biological settling tank<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Be_trung_gian\" >intermediaries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Be_khu_trung\" >Disinfection tank<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#Be_loc_ap_luc\" >Pressure filter tank<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/arkvietnam.com\/en\/phuong-phap-xu-ly-nuoc-thai-che-bien-ca-phe-tieu-chuan-va-hien-dai\/#May_ep_bun_xu_ly_nuoc_thai_che_bien_ca_phe\" >Sludge machine for coffee processing wastewater treatment<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Tim_hieu_nuoc_thai_che_bien_ca_phe\"><\/span>Learn about coffee processing wastewater<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nNgu\u1ed3n g\u1ed1c c\u1ee7a n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea bao g\u1ed3m n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t t\u1eeb c\u00e1c nh\u00e0 t\u1eafm, nh\u00e0 v\u1ec7 sinh, nh\u00e0 b\u1ebfp t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t, ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea. Nh\u1eefng n\u01b0\u1edbc th\u1ea3i n\u00e0y \u0111\u01b0\u1ee3c thu gom t\u1eeb c\u00e1c b\u1ec3 ph\u1ed1t v\u00e0o c\u00e1c b\u1ec3 ch\u1ee9a n\u01b0\u1edbc th\u1ea3i chung v\u1edbi c\u00e1c lo\u1ea1i n\u01b0\u1edbc th\u1ea3i kh\u00e1c \u0111\u01b0\u1ee3c sinh ra t\u1eeb ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t v\u1ec7 sinh nguy\u00ean li\u1ec7u ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea hay n\u01b0\u1edbc t\u1eeb vi\u1ec7c v\u1ec7 sinh m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p.\r\n\r\nNgo\u00e0i qu\u00e1 tr\u00ecnh xay h\u1ea1t c\u00e0 ph\u00ea, n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea c\u0169ng sinh ra t\u1eeb c\u00e1c c\u00f4ng \u0111o\u1ea1n ch\u00e0 nh\u1edbt v\u1ecf h\u1ea1t c\u00e0 ph\u00ea, ng\u00e2m h\u1ea1t c\u00e0 ph\u00ea b\u1eb1ng enzym. N\u01b0\u1edbc th\u1ea3i \u1edf c\u00e1c c\u00f4ng \u0111o\u1ea1n n\u00e0y ch\u1ee9a nhi\u1ec1u ch\u1ea5t \u00f4 nhi\u1ec5m, c\u00f3 n\u1ed3ng \u0111\u1ed9 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00f4ng th\u1ea5p nh\u01b0 BOD, COD, TSS. C\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea trong c\u00e1c nh\u00e0 m\u00e1y t\u1ea1i Vi\u1ec7t Nam kh\u00f4ng c\u00f3 c\u00f4ng \u0111o\u1ea1n t\u00e1ch v\u1ecf h\u1ea1t c\u00e0 ph\u00ea tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o h\u1ec7 th\u1ed1ng ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea, \u0111i\u1ec1u n\u00e0y l\u00e0m cho n\u01b0\u1edbc th\u1ea3i sinh ra c\u00f3 nhi\u1ec1u ch\u1ea5t c\u1eb7n b\u1ea3 h\u01a1n so v\u1edbi c\u00e1c nh\u00e0 m\u00e1y c\u00f3 c\u00f9ng ch\u1ee9c n\u0103ng t\u1ea1i n\u01b0\u1edbc ngo\u00e0i. Do \u0111\u00f3, n\u1ed3ng \u0111\u1ed9 \u00f4 nhi\u1ec5m c\u1ee7a n\u01b0\u1edbc th\u1ea3i \u1edf Vi\u1ec7t Nam cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c nh\u00e0 m\u00e1y t\u01b0\u01a1ng t\u1ef1 \u1edf n\u01b0\u1edbc ngo\u00e0i.\r\n\r\nTh\u00e0nh ph\u1ea7n c\u1ee7a n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 \u0111\u1ed9 PH th\u1ea5p ch\u1ec9 trong kho\u1ea3ng t\u1eeb 6-7, n\u1ed3ng \u0111\u1ed9 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m nh\u01b0 COD, BOD, TSS, t\u1ed5ng Nito, t\u1ed5ng Photpho, t\u1ed5ng Coliforms,\u2026 cao r\u1ea5t nhi\u1ec1u l\u1ea7n so v\u1edbi m\u1ee9c \u0111\u1ed9 cho ph\u00e9p \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh r\u00f5 trong t\u00e0i li\u1ec7u quy chu\u1ea9n v\u1ec1 n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p: QCVN 40\/2011\/BTNMT.\r\n<h3><span class=\"ez-toc-section\" id=\"Bang_thanh_phan_tinh_chat_nuoc_thai_ca_phe\"><\/span>Table of properties of coffee wastewater<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td><strong>No.<\/strong><\/td>\r\n<td><strong>Parameter<\/strong><\/td>\r\n<td><strong>Unit<\/strong><\/td>\r\n<td><strong>Value<\/strong><\/td>\r\n<td><strong>QCVN 40:2011\/BTNMT<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>1<\/td>\r\n<td>pH<\/td>\r\n<td>\u2013<\/td>\r\n<td>5.1-5.6<\/td>\r\n<td>5.5-9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td>COD<\/td>\r\n<td>mg\/l<\/td>\r\n<td>3.100-4.210<\/td>\r\n<td>150<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td>BOD<\/td>\r\n<td>mg\/l<\/td>\r\n<td>1.100-3.210<\/td>\r\n<td>50<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td>Suspended Solids (TSS).<\/td>\r\n<td>mg\/l<\/td>\r\n<td>700-870<\/td>\r\n<td>100<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td>total P<\/td>\r\n<td>mg\/l<\/td>\r\n<td>5.5-6.5<\/td>\r\n<td>6<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td>Total Nito<\/td>\r\n<td>mg\/l<\/td>\r\n<td>180-298<\/td>\r\n<td>40<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n<h2><span class=\"ez-toc-section\" id=\"Tac_hai_cua_nuoc_thai_cong_nghiep_che_bien_cafe\"><\/span>Harmful effects of coffee processing industry wastewater<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng vi\u1ec7c x\u1ea3 n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea kh\u00f4ng qua x\u1eed l\u00fd v\u00e0o m\u00f4i tr\u01b0\u1eddng s\u1ebd g\u00e2y ra nh\u1eefng t\u00e1c h\u1ea1i nghi\u00eam tr\u1ecdng. Nh\u1eefng ch\u1ea5t \u00f4 nhi\u1ec5m c\u00f3 trong n\u01b0\u1edbc th\u1ea3i ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea s\u1ebd l\u00e0m cho \u0111\u1ed9 PH c\u1ee7a n\u01b0\u1edbc trong m\u00f4i tr\u01b0\u1eddng b\u1ecb thay \u0111\u1ed5i, g\u00e2y ra s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u00ednh ch\u1ea5t c\u1ee7a n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y s\u1ebd g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 s\u1ed1ng c\u1ee7a c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt, th\u1ef1c v\u1eadt s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc \u0111\u00f3.\r\n\r\nNgo\u00e0i ra, n\u01b0\u1edbc th\u1ea3i c\u00f2n ch\u1ee9a c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i nh\u01b0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 v\u00f4 c\u01a1, c\u00e1c kim lo\u1ea1i n\u1eb7ng, c\u00e1c ch\u1ea5t kh\u00e1ng sinh, thu\u1ed1c tr\u1eeb s\u00e2u, &#8230; T\u1ea5t c\u1ea3 nh\u1eefng ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng t\u00e1c h\u1ea1i nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, \u0111\u1ed9ng v\u1eadt v\u00e0 th\u1ef1c v\u1eadt trong m\u00f4i tr\u01b0\u1eddng.\r\n\r\nB\u00ean c\u1ea1nh \u0111\u00f3, n\u01b0\u1edbc th\u1ea3i ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra s\u1ef1 tr\u01a1 tr\u1ecdi c\u1ee7a m\u00f4i tr\u01b0\u1eddng, l\u00e0m cho m\u00f4i tr\u01b0\u1eddng tr\u1edf n\u00ean kh\u00f3 ch\u1ecbu, kh\u00f4ng c\u00f2n \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n s\u1ed1ng cho c\u00e1c sinh v\u1eadt v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh k\u1ebf c\u1ee7a c\u1ed9ng \u0111\u1ed3ng n\u01a1i \u0111\u00f3.\r\n<h3><span class=\"ez-toc-section\" id=\"Tinh_trang_o_nhiem_moi_truong_do_nuoc_thai_cong_nghiep_che_bien_ca_phe_gay_ra\"><\/span>Environmental pollution caused by wastewater from the coffee processing industry<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nCoffee processing industry wastewater not only causes serious pollution to water sources but also affects the health of humans and animals in the living environment. Pollutants in wastewater such as COD, BOD, SS, Coliforms, Nitrogen, and Phosphorus can significantly degrade environmental quality, make water sources polluted and reduce renewable capacity, affecting health and human health. human and animal health.\r\n<h2><span class=\"ez-toc-section\" id=\"Giai_phap_cho_viec_xu_ly\"><\/span>Solution for handling<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nVi\u1ec7c x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea tr\u1edf n\u00ean v\u00f4 c\u00f9ng quan tr\u1ecdng v\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1eef g\u00ecn v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng. C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, tuy nhi\u00ean ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t hi\u1ec7n nay l\u00e0 s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i b\u1eb1ng vi sinh v\u1eadt.\r\n\r\nC\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i b\u1eb1ng vi sinh v\u1eadt c\u00f3 th\u1ec3 gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i v\u00e0 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00e1c kh\u1ecfi n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea, v\u00e0 chuy\u1ec3n n\u00f3 th\u00e0nh n\u01b0\u1edbc th\u1ea3i s\u1ea1ch c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng ho\u1eb7c x\u1ea3 th\u1ea3i v\u00e0o m\u00f4i tr\u01b0\u1eddng m\u00e0 kh\u00f4ng g\u00e2y \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng.\r\n<h2><span class=\"ez-toc-section\" id=\"Cac_cong_trinh_xu_ly_nuoc_thai_cong_nghiep_che_bien_ca_phe\"><\/span>Wastewater treatment works for the coffee processing industry<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nTo solve the problem of wastewater pollution in the coffee processing industry, coffee production and processing factories need to apply wastewater treatment technologies to minimize adverse impacts on the environment. The commonly applied coffee processing industry wastewater treatment works include the following stages:\r\n<h3><span class=\"ez-toc-section\" id=\"1_Xu_ly_vat_ly\"><\/span>1. Physical handling<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nRemove solids and suspended matter using filters, clarifiers, presses, and dosing tanks. This step helps to remove most of the solids, suspended solids, and residues in the wastewater, minimizing adverse impacts on the environment.\r\n<h3><span class=\"ez-toc-section\" id=\"2_Xu_ly_hoa_hoc\"><\/span>2. Chemical treatment<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nUse chemical substances for wastewater treatment such as flocculants, alum, oxidants, etc. This stage helps to clean and remove pollutants in the wastewater, helping the wastewater to reach a safe level before being discharged into the environment.\r\n<h3><span class=\"ez-toc-section\" id=\"3_Xu_ly_sinh_hoc\"><\/span>3. Biological treatment<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nS\u1eed d\u1ee5ng c\u00e1c qu\u00e1 tr\u00ecnh sinh h\u1ecdc \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i nh\u01b0 s\u1eed d\u1ee5ng vi sinh v\u1eadt v\u00e0 c\u00e1c vi khu\u1ea9n \u0111\u1ec3 ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t h\u1eefu c\u01a1. C\u00f4ng \u0111o\u1ea1n n\u00e0y gi\u00fap t\u1ea1o ra c\u00e1c vi khu\u1ea9n c\u00f3 l\u1ee3i trong vi\u1ec7c ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong c\u00e1c b\u1ec3 x\u1eed l\u00fd sinh h\u1ecdc, trong \u0111\u00f3 c\u00e1c vi khu\u1ea9n ph\u00e2n h\u1ee7y ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh c\u00e1c ch\u1ea5t v\u00f4 h\u1ea1i h\u01a1n, nh\u01b0 CO2 v\u00e0 n\u01b0\u1edbc.\r\n\r\nC\u00e1c b\u1ec3 x\u1eed l\u00fd sinh h\u1ecdc \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p m\u00f4i tr\u01b0\u1eddng thu\u1eadn l\u1ee3i cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c vi khu\u1ea9n n\u00e0y, v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n nh\u01b0 \u0111\u1ed9 \u1ea9m, nhi\u1ec7t \u0111\u1ed9, n\u1ed3ng \u0111\u1ed9 oxy h\u00f3a kh\u1eed th\u00edch h\u1ee3p. C\u00e1c b\u1ec3 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c b\u1ec3 li\u00ean ti\u1ebfp, v\u1edbi m\u1ed7i b\u1ec3 c\u00f3 ch\u1ee9c n\u0103ng kh\u00e1c nhau \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. Sau khi n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd trong c\u00e1c b\u1ec3 sinh h\u1ecdc, n\u00f3 s\u1ebd chuy\u1ec3n \u0111\u1ebfn c\u00e1c b\u1ec3 x\u1eed l\u00fd h\u00f3a h\u1ecdc \u0111\u1ec3 ti\u1ebfp t\u1ee5c qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i c\u00f2n l\u1ea1i.\r\n<h2><span class=\"ez-toc-section\" id=\"Quy_trinh_he_thong_xu_ly\"><\/span><span id=\"Quy-trinh-he-thong-xu-ly-nuoc-thai-cong-nghiep-che-bien-ca-phe\">Process System\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nThe process of the following treatment system is often consulted and constructed by our company, providing environmental materials and materials for coffee processing factories, always ensuring the quality of wastewater after treatment. meet the standard column A of the document\u00a0QCVN4\/2011\/BTNMT.\r\n\r\n<figure id=\"attachment_8528\" aria-describedby=\"caption-attachment-8528\" style=\"width: 506px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8528 size-full\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/02\/sodo-cong-nghe-nuoc-thai-cafe.png\" alt=\"Technological diagram of coffee processing wastewater treatment\" width=\"506\" height=\"622\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/02\/sodo-cong-nghe-nuoc-thai-cafe.png 506w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/02\/sodo-cong-nghe-nuoc-thai-cafe-244x300.png 244w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/02\/sodo-cong-nghe-nuoc-thai-cafe-10x12.png 10w\" sizes=\"auto, (max-width: 506px) 100vw, 506px\" \/><figcaption id=\"caption-attachment-8528\" class=\"wp-caption-text\"><em>Technological diagram of coffee processing wastewater treatment<\/em><\/figcaption><\/figure>\r\n<h2><span class=\"ez-toc-section\" id=\"Thuyet_minh_so_do_xu_ly_nuoc_thai_che_bien_ca_phe\"><\/span>Explain the scheme of wastewater treatment for coffee processing<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\nN\u01b0\u1edbc th\u1ea3i sau c\u00e1c qu\u00e1 tr\u00ecnh v\u1ec7 sinh v\u1ecf h\u1ea1t c\u00e0 ph\u00ea hay ch\u1ea5t th\u1ea3i c\u1eb7n b\u1ea3 t\u1eeb h\u1ea1t c\u00e0 ph\u00ea xay,\u2026 \u0111\u01b0\u1ee3c thu g\u00f4m v\u00e0o b\u1ec3 thu g\u00f4m b\u1eaft \u0111\u1ea7u qua h\u1ec7 th\u1ed1ng x\u1eed l\u00fd, t\u1ea1i \u0111\u00e2y c\u00f3 c\u00e1c song ch\u1eafn r\u00e1c \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t th\u1ea3i r\u1eafn c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn. B\u1ec3 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 v\u1ec7 sinh c\u00e1c song ch\u1eafn r\u00e1c tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p b\u1ecb t\u1eafc ngh\u1ebdn t\u1ea1i \u0111\u00e2y g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng\r\n\r\nN\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c truy\u1ec1n d\u1eabn qua b\u1ec3 l\u1eafng c\u1eb7n, t\u1ea1i \u0111\u00e2y di\u1ec5n ra qu\u00e1 tr\u00ecnh l\u1eafng c\u00e1c h\u00f3a ch\u1ea5t c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn ra kh\u1ecfi n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u1ec3 \u0111i\u1ec1u h\u00f2a \u0111\u1ec3 ti\u1ebfp t\u1ee5c c\u00f4ng \u0111o\u1ea1n x\u1eed l\u00fd ti\u1ebfp theo.\r\n<h3><span class=\"ez-toc-section\" id=\"Be_dieu_hoa\"><\/span>Air tanks<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nC\u00f3 t\u00e1c d\u1ee5ng \u0111i\u1ec1u h\u00f2a l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y c\u1ee7a d\u00f2ng n\u01b0\u1edbc th\u1ea3i trong to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111\u1ec3 gi\u1eed cho h\u1ec7 th\u1ed1ng lu\u00f4n \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.\r\n\r\nGiai \u0111o\u1ea1n ti\u1ebfp theo c\u1ee7a h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea l\u00e0 b\u1ec3 UASB, \u0111\u00e2y l\u00e0 b\u1ec3 sinh h\u1ecdc k\u1ef5 kh\u00ed c\u00f3 t\u00e1c d\u1ee5ng x\u1eed l\u00fd c\u00e1c lo\u1ea1i n\u01b0\u1edbc th\u1ea3i c\u00f3 n\u1ed3ng \u0111\u1ed9 ch\u1ea5t h\u1eefu c\u01a1 cao v\u00e0 kh\u00f3 ph\u00e2n h\u1ee7y. N\u01b0\u1edbc th\u1ea3i ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c truy\u1ec1n d\u1eabn sang giai \u0111o\u1ea1n ti\u1ebfp theo.\r\n<h3><span class=\"ez-toc-section\" id=\"Be_Anoxit_be_sinh_hoc_thieu_khi\"><\/span>Anoxic tank (anoxic biological tank)<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nUsed to remove nitrogen and phosphorus chemicals in wastewater, the operating principle of this tank is based on microorganisms decomposing and polluting nitrogen and phosphorus compounds.\r\n<h3><span class=\"ez-toc-section\" id=\"Be_Aerotank\"><\/span>Aerotank<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nUsed in combination right behind the Anoxide tank, it has the effect of treating odors and eliminating bacteria and pathogens present in coffee processing industrial wastewater. In addition, this treatment system does not need to add organic matter, then we can control the amount of DO in the wastewater. However, installing a tank location like this system has a slight disadvantage in that the amount of nitrogen input will be low, then it is necessary to have a pump to transfer wastewater back to the Anoxide tank from the Aerotank tank for the system to achieve effective treatment. Optimal management.\r\n<h3><span class=\"ez-toc-section\" id=\"Be_lang_sinh_hoc\"><\/span>Biological settling tank<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nAs the next stage of the treatment system, the biological settling tank also has the effect of filtering the suspended wastes present in the wastewater by taking advantage of gravity to settle the wastes to the bottom of the tank to increase the treatment efficiency for the wastewater. System. This tank is widely used in industrial wastewater treatment systems. After the wastewater is stored in the tank for a certain time, it will be transferred to the next stage. The sludge is deposited in this tank and the UASB tank will be transferred to the sludge tank to be treated outside (squeeze the sludge and then bury it).\r\n<h3><span class=\"ez-toc-section\" id=\"Be_trung_gian\"><\/span>intermediaries<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nL\u00e0 giai \u0111o\u1ea1n ti\u1ebfp theo c\u1ee7a h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u1ec3 chu\u1ea9n b\u1ecb cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a l\u00fd t\u1ea1i b\u1ec3 keo t\u1ee5 v\u00e0 t\u1ea1o b\u00f4ng.\r\n\r\nH\u00f3a ch\u1ea5t \u0111\u01b0\u1ee3c cung c\u1ea5p tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng x\u1eed l\u00fd t\u1ea1i b\u1ec3 keo t\u1ee5 v\u00e0 t\u1ea1o b\u00f4ng, c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t nh\u01b0 PAC, Polyme, NaOH cung c\u1ea5p v\u00e0o b\u1ec3 c\u00f3 t\u00e1c d\u1ee5ng lo\u1ea1i b\u1ecf, l\u01b0\u1ee3c b\u1ecf c\u00e1c h\u1ea1t ch\u1ea5t th\u1ea3i d\u1ea1ng r\u1eafn c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf ho\u00e0n to\u00e0n ta kh\u1ecfi n\u01b0\u1edbc th\u1ea3i. N\u01b0\u1edbc th\u1ea3i sau khi x\u1eed l\u00fd t\u1ea1i \u0111\u00e2y s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n d\u1eabn qua giai \u0111o\u1ea1n ti\u1ebfp theo.\r\n\r\nGiai \u0111o\u1ea1n n\u00e0y n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd trong b\u1ec3 l\u1eafng h\u00f3a l\u00fd c\u0169ng c\u00f3 t\u00e1c d\u1ee5ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c b\u1ec3 l\u1eafng sinh h\u1ecdc,\u2026 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea s\u1ebd thi\u1ebft k\u1ebf sao cho n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i trong b\u1ec3 m\u1ed9t th\u1eddi gian \u0111\u1ec3 l\u1eafng \u0111\u1ecdng c\u00e1c ch\u1ea5t th\u1ea3i \u00f4 nhi\u1ec3m, lo\u1ea1i b\u1ecf ra kh\u1ecfi n\u01b0\u1edbc th\u1ea3i, sau \u0111\u00f3 n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c truy\u1ec1n d\u1eabn qua b\u1ec3 kh\u1eed tr\u00f9ng cho giai \u0111o\u1ea1n ti\u1ebfp theo.\r\n<h3><span class=\"ez-toc-section\" id=\"Be_khu_trung\"><\/span>Disinfection tank<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nProvided by environmental companies, javelin chemicals have the effect of disinfecting, disinfecting, and eliminating pathogens in wastewater.\r\n<h3><span class=\"ez-toc-section\" id=\"Be_loc_ap_luc\"><\/span>Pressure filter tank<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nAs the next industrial wastewater treatment tank of the treatment system, this tank has the effect of removing the residue left after the settling of biological settling tanks, physicochemical settling tanks, etc. to ensure wastewater. After treatment, wastewater must meet the standards of 40\/2011\/BTNMT.\r\n<h3><span class=\"ez-toc-section\" id=\"May_ep_bun_xu_ly_nuoc_thai_che_bien_ca_phe\"><\/span>Sludge machine for coffee processing wastewater treatment<span class=\"ez-toc-section-end\"><\/span><\/h3>\r\nWith special wastewater characteristics, COD concentration and color are very high, making it difficult to separate sewage sludge. However, when using ARK's centrifugal slurry press, the job of squeezing sewage sludge for coffee processing plants becomes easier than ever. Here are a few actual pictures that ARK Vietnam centrifuges test run at a coffee processing factory:\r\n\r\n\n  \n    <div class=\"row large-columns-4 medium-columns-3 small-columns-2\" >\n  <div class=\"gallery-col col\" >\n          <div class=\"col-inner\">\n            <a class=\"image-lightbox lightbox-gallery\" href=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1-768x1024.jpg\" title=\"\">            <div class=\"box has-hover gallery-box box-overlay dark\">\n              <div class=\"box-image\" >\n                <img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"2048\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1.jpg\" class=\"attachment-original size-original\" alt=\"m\u00e1y \u00e9p b\u00f9n cho nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea\" ids=\"8577,8579,8580,8578\" lightbox_image_size=\"large\" image_size=\"original\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1.jpg 1536w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1-510x680.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1-225x300.jpg 225w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1-768x1024.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1-1152x1536.jpg 1152w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1-9x12.jpg 9w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-1-600x800.jpg 600w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/>                                  <div class=\"overlay fill\"\n                      style=\"background-color: rgba(0,0,0,.15)\">\n                  <\/div>\n                                                              <\/div>\n              <div class=\"box-text text-left\" >\n                 <p><\/p>\n              <\/div>\n            <\/div>\n            <\/a>          <\/div>\n         <\/div><div class=\"gallery-col col\" >\n          <div class=\"col-inner\">\n            <a class=\"image-lightbox lightbox-gallery\" href=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3-768x1024.jpg\" title=\"\">            <div class=\"box has-hover gallery-box box-overlay dark\">\n              <div class=\"box-image\" >\n                <img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"2048\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3.jpg\" class=\"attachment-original size-original\" alt=\"ch\u1ea5t r\u1eafn t\u1eeb b\u00f9n th\u1ea3i cafe\" ids=\"8577,8579,8580,8578\" lightbox_image_size=\"large\" image_size=\"original\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3.jpg 1536w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3-510x680.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3-225x300.jpg 225w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3-768x1024.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3-1152x1536.jpg 1152w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3-9x12.jpg 9w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-3-600x800.jpg 600w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/>                                  <div class=\"overlay fill\"\n                      style=\"background-color: rgba(0,0,0,.15)\">\n                  <\/div>\n                                                              <\/div>\n              <div class=\"box-text text-left\" >\n                 <p><\/p>\n              <\/div>\n            <\/div>\n            <\/a>          <\/div>\n         <\/div><div class=\"gallery-col col\" >\n          <div class=\"col-inner\">\n            <a class=\"image-lightbox lightbox-gallery\" href=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2-768x1024.jpg\" title=\"\">            <div class=\"box has-hover gallery-box box-overlay dark\">\n              <div class=\"box-image\" >\n                <img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"2048\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2.jpg\" class=\"attachment-original size-original\" alt=\"ch\u1ea5t r\u1eafc t\u1eeb b\u00f9n th\u1ea3i c\u00e0 ph\u00ea\" ids=\"8577,8579,8580,8578\" lightbox_image_size=\"large\" image_size=\"original\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2.jpg 1536w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2-510x680.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2-225x300.jpg 225w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2-768x1024.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2-1152x1536.jpg 1152w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2-9x12.jpg 9w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-2-600x800.jpg 600w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/>                                  <div class=\"overlay fill\"\n                      style=\"background-color: rgba(0,0,0,.15)\">\n                  <\/div>\n                                                              <\/div>\n              <div class=\"box-text text-left\" >\n                 <p><\/p>\n              <\/div>\n            <\/div>\n            <\/a>          <\/div>\n         <\/div><div class=\"gallery-col col\" >\n          <div class=\"col-inner\">\n            <a class=\"image-lightbox lightbox-gallery\" href=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4-768x1024.jpg\" title=\"\">            <div class=\"box has-hover gallery-box box-overlay dark\">\n              <div class=\"box-image\" >\n                <img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"2048\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4.jpg\" class=\"attachment-original size-original\" alt=\"n\u01b0\u1edbc sau khi t\u00e1ch t\u1eeb b\u00f9n th\u1ea3i cafe b\u1eb1ng m\u00e1y \u00e9p b\u00f9n ark\" ids=\"8577,8579,8580,8578\" lightbox_image_size=\"large\" image_size=\"original\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4.jpg 1536w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4-510x680.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4-225x300.jpg 225w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4-768x1024.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4-1152x1536.jpg 1152w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4-9x12.jpg 9w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2023\/03\/xu-ly-nuoc-thai-nha-may-ca-phe-4-600x800.jpg 600w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/>                                  <div class=\"overlay fill\"\n                      style=\"background-color: rgba(0,0,0,.15)\">\n                  <\/div>\n                                                              <\/div>\n              <div class=\"box-text text-left\" >\n                 <p><\/p>\n              <\/div>\n            <\/div>\n            <\/a>          <\/div>\n         <\/div><\/div>\r\n\r\n<strong>When building a wastewater treatment system for a coffee processing plant. The selection of sludge treatment equipment is indispensable. If you need the best quality and suitable slurry, press to treat coffee sludge. Please contact ARK Vietnam for advice and the best solution.<\/strong>","protected":false},"excerpt":{"rendered":"<p>N\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn c\u00e0 ph\u00ea l\u00e0 lo\u1ea1i n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c c\u00f4ng \u0111o\u1ea1n ch\u1ebf bi\u1ebfn, s\u1ea3n xu\u1ea5t, r\u1eeda c\u00e0 ph\u00ea. \u0110\u1eb7c bi\u1ec7t, n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c sinh ra t\u1eeb c\u00e1c c\u00f4ng \u0111o\u1ea1n r\u1eeda v\u00e0 xay c\u00e0 ph\u00ea c\u00f3 n\u1ed3ng \u0111\u1ed9 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m r\u1ea5t cao nh\u01b0 COD, BOD, SS&#8230;<\/p>","protected":false},"author":1,"featured_media":8585,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[174],"class_list":["post-8527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-xu-ly-nuoc-thai"],"acf":[],"_links":{"self":[{"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/posts\/8527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=8527"}],"version-history":[{"count":0,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/posts\/8527\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/media\/8585"}],"wp:attachment":[{"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=8527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=8527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=8527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}