{"id":3211,"date":"2022-03-31T15:14:48","date_gmt":"2022-03-31T08:14:48","guid":{"rendered":"https:\/\/arkvietnam.com\/?p=3211"},"modified":"2022-05-30T13:38:52","modified_gmt":"2022-05-30T06:38:52","slug":"sludge-presses-in-livestock-waste-treatment","status":"publish","type":"post","link":"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/","title":{"rendered":"Sludge dehydrator in livestock waste treatment"},"content":{"rendered":"<p><strong>Treatment of wastewater, livestock, and poultry waste is an urgent need of livestock farms. Wastewater has an unclean smell, affecting people and the surrounding environment. The high content of organic matter and eutrophication is a heavy pollutant for the surrounding areas. Therefore, it is necessary to apply radical treatment measures, including the application of mud presses.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3214 size-full\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-4.jpg\" alt=\"ch\u1ea5t th\u1ea3i ch\u0103n nu\u00f4i\" width=\"1240\" height=\"827\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-4.jpg 1240w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-4-510x340.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-4-300x200.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-4-1024x683.jpg 1024w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-4-768x512.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-4-18x12.jpg 18w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-4-600x400.jpg 600w\" sizes=\"auto, (max-width: 1240px) 100vw, 1240px\" \/><\/p>\n<p>In 2020, the Department of Livestock Production (an agency under the Ministry of Agriculture and Rural Development) orients that Vietnam's livestock industry will grow by about 4%. Meat output of all kinds reached about 5.5 million tons. Pork about 64-67%, poultry about 25-27%, grass-fed cattle 9-11%. Egg production reached 14.5 billion eggs and about 1.2 million tons of milk.<\/p>\n<div>\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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#THANH_PHAN_TINH_CHAT_NUOC_THAI_CHAT_THAI_CHAN_NUOI\" >Components and properties of wastewater and livestock waste.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#Nuoc_thaichat_thai_chan_nuoi_ap_dung_Quy_chuan_nao\" >Waste water\/animal waste applies which standard?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#QUY_TRINH_XU_LY_NUOC_THAI_CHAT_THAI_CHAN_NUOI\" >Process of treating wastewater and livestock waste<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#1_Tach_phan\" >1. Separation of stools<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#2_Biogas\" >2. Biogas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#3_Xu_ly_ky_khi\" >3. Anaerobic treatment<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#Qua_trinh_khu_nitrate\" >The denitrification process<\/a><\/li><\/ul><\/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\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#4_Be_dieu_hoa\" >4. Air conditioning tank<\/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\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#5_Xu_ly_hieu_khi\" >5. Aerobic treatment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#6_Be_keo_tu_tao_bong\" >6. Coagulation and flocculation tank<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#7_Be_lang_hoa_ly_va_be_lang_sinh_hoc\" >7. Physical and chemical settling tanks and biological settling tanks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/arkvietnam.com\/en\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#8_Khu_trung\" >8. Disinfection<\/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\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#9_Ho_hoan_thien\" >9. Finished Lake<\/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\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#XU_LY_BUN_THAI_CHAT_THAI_CHAN_NUOI\" >Sludge treatment, livestock waste<\/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\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi\/#UU_DIEM_CUA_MAY_EP_BUN_TRONG_XU_LY_NUOC_THAI_CHAT_THAI_CHAN_NUOI\" >Advantages of sludge presses in wastewater and livestock waste treatment<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"THANH_PHAN_TINH_CHAT_NUOC_THAI_CHAT_THAI_CHAN_NUOI\"><\/span>Components and properties of wastewater and livestock waste.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sources arise mainly from livestock bathing water (swine, cow), feces, urine, and leftovers.<\/p>\n<p>Livestock wastewater contains a lot of bacteria, pathogens, helminths, eggs (spores), and larvae, ... extremely affecting human health if in direct contact. In addition, this type of wastewater also cause odors, and soil and water pollution.<\/p>\n<p class=\"LC20lb MBeuO DKV0Md translation-block\">\u279c <em>Example:<\/em> Foot-and-mouth virus can survive from 100 to 120 days, and helminth eggs can survive for 5-6 months.<\/p>\n<p class=\"translation-block\">On average, each day a pig (swine) excretes about 2 liters of urine and 2.7 kg of feces. Including 70-80% protein, amino acids, cellulose, fat, and carbohydrates. The rest are salts, urea, ammonium, chloride, SO42-, sandy soil... top levels of nitrogen and phosphorus (similar to wastewater from the aquaculture industry).<\/p>\n<figure id=\"attachment_3219\" aria-describedby=\"caption-attachment-3219\" style=\"width: 1020px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3219 size-large\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-3-1024x576.jpg\" alt=\"ch\u1ea5t th\u1ea3i ch\u0103n nu\u00f4i\" width=\"1020\" height=\"574\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-3-1024x576.jpg 1024w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-3-510x287.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-3-300x169.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-3-768x432.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-3-18x10.jpg 18w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-3-600x338.jpg 600w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-3.jpg 1536w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><figcaption id=\"caption-attachment-3219\" class=\"wp-caption-text\"><em>A livestock farm with a wastewater treatment system is being completed<\/em><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Nuoc_thaichat_thai_chan_nuoi_ap_dung_Quy_chuan_nao\"><\/span><span style=\"color: #000080;\">Waste water\/animal waste applies which standard?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"translation-block\">According to <a href=\"http:\/\/cli.hcmunre.edu.vn\/Files\/TT-thu-vien\/VanBanTNMT\/QCVN\/QCVN_62_MT_2016_BTNMT.pdf?AspxAutoDetectCookieSupport=1\" target=\"_self\" rel=\" noopener\">QCVN62-MT:2016\/BTNMT<\/a> <em>(applies to wastewater from pigs, cows, chickens, shrimp, fish, ...)<\/em>, the permissible threshold values of the parameters in livestock wastewater is:<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"30\">\n<p style=\"text-align: center;\"><strong>Order<\/strong><\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"168\"><strong>Parameter<\/strong><\/td>\n<td style=\"text-align: center;\" width=\"176\"><strong>Unit<\/strong><\/td>\n<td style=\"text-align: center;\" width=\"125\"><strong>Value A<\/strong><\/td>\n<td width=\"125\">\n<p style=\"text-align: center;\"><strong>value B<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">\n<p style=\"text-align: center;\">1<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"168\">pH<\/td>\n<td style=\"text-align: center;\" width=\"176\">\u2013<\/td>\n<td style=\"text-align: center;\" width=\"125\">6 &#8211; 9<\/td>\n<td width=\"125\">\n<p style=\"text-align: center;\">5.5 &#8211; 9<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">\n<p style=\"text-align: center;\">2<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"168\">BOD5<\/td>\n<td style=\"text-align: center;\" width=\"176\">mg\/l<\/td>\n<td style=\"text-align: center;\" width=\"125\">40<\/td>\n<td width=\"125\">\n<p style=\"text-align: center;\">100<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">\n<p style=\"text-align: center;\">3<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"168\">COD<\/td>\n<td style=\"text-align: center;\" width=\"176\">mg\/l<\/td>\n<td style=\"text-align: center;\" width=\"125\">100<\/td>\n<td width=\"125\">\n<p style=\"text-align: center;\">300<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">\n<p style=\"text-align: center;\">4<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"168\">total suspended solids<\/td>\n<td style=\"text-align: center;\" width=\"176\">mg\/l<\/td>\n<td style=\"text-align: center;\" width=\"125\">50<\/td>\n<td width=\"125\">\n<p style=\"text-align: center;\">150<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">\n<p style=\"text-align: center;\">5<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"168\">Total Nitrogen (in N)<\/td>\n<td style=\"text-align: center;\" width=\"176\">mg\/l<\/td>\n<td style=\"text-align: center;\" width=\"125\">50<\/td>\n<td width=\"125\">\n<p style=\"text-align: center;\">150<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"30\">\n<p style=\"text-align: center;\">6<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"168\">Total Coliform<\/td>\n<td style=\"text-align: center;\" width=\"176\">MPN (Most probable number) or CFU (Colony Forming Units) \/100 ml<\/td>\n<td style=\"text-align: center;\" width=\"125\">3000<\/td>\n<td width=\"125\">\n<p style=\"text-align: center;\">5000<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"QUY_TRINH_XU_LY_NUOC_THAI_CHAT_THAI_CHAN_NUOI\"><\/span>Process of treating wastewater and livestock waste<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<p>The basic livestock wastewater treatment process in Vietnam includes the following steps:<\/p>\n<ul>\n<li>Separation of feces<\/li>\n<li>Biogas<\/li>\n<li>Chemical and biological treatment.<\/li>\n<li>Discharge into the environment or reuse<\/li>\n<li>Separation and pressing of feces in wastewater<\/li>\n<\/ul>\n<figure id=\"attachment_3216\" aria-describedby=\"caption-attachment-3216\" style=\"width: 744px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3216 size-full\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1.png\" alt=\"ch\u1ea5t th\u1ea3i ch\u0103n nu\u00f4i\" width=\"744\" height=\"713\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1.png 744w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1-510x489.png 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1-300x288.png 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1-13x12.png 13w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1-600x575.png 600w\" sizes=\"auto, (max-width: 744px) 100vw, 744px\" \/><figcaption id=\"caption-attachment-3216\" class=\"wp-caption-text\"><em>Flowchart of wastewater and livestock waste treatment process (Vietnamese)<\/em><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"1_Tach_phan\"><\/span><span style=\"color: #000080;\">1. Separation of stools<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Right from the first stage, the sludge dewatering machine has shown its usefulness. Farms often use different sludge dewatering machines, screw press, decanting centrifuge, etc.<\/p>\n<p class=\"translation-block\"><a href=\"https:\/\/arkvietnam.com\/en\/\" target=\"_self\">ARK Vietnam<\/a> <span style=\"color: #0000ff\">we specialize in distributing and manufacturing all above type of sludge dewatering, with various capacity versions. With the same advantage of technological lines according to Korean standards, we have a processing and assembly factory right in Vietnam.<\/span><\/p>\n<ul>\n<li>sludge dewatering machine will almost completely separate solid manure from wastewater.<\/li>\n<li>Reducing the concentration of pollution in wastewater, saving the cost of building treatment systems.<\/li>\n<li>Take advantage of fertilizer production.<\/li>\n<li>Minimize the number of water components, reducing the volume and volume of waste. Reduce transportation costs and storage area.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_Biogas\"><\/span><span style=\"color: #000080;\">2. Biogas<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Biogas technology is based on the activity of anaerobic microorganisms.<\/p>\n<p class=\"translation-block\">Biogas tanks help incubate livestock waste and decompose it to create gases such as methane (CH<sub>4<\/sub>), CO<sub>2<\/sub>, N<sub>2<\/sub>, H<sub>2<\/sub>O, H<sub>2<\/sub>S. In which CH<sub>4<\/sub> can be used as gas, cooking, drying, and generating generators. Helps save fuel.<\/p>\n<p class=\"translation-block\"><em>\u279c Note:<\/em> gas H<sub>2<\/sub>S generated causes corrosion of gas pipelines, so it needs to be removed.<\/p>\n<p class=\"translation-block\">If the farm is large, the waste is high, and the volume at birth is high. The biogas tank will be designed by covering with tarpaulin <a href=\"https:\/\/en.wikipedia.org\/wiki\/High-density_polyethylene\" target=\"_self\" rel=\"noopener\">HDPE (High-density polyethylene)<\/a> waterproof, instead of concrete.<\/p>\n<figure id=\"attachment_3218\" aria-describedby=\"caption-attachment-3218\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3218 size-full\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-2.jpg\" alt=\"ch\u1ea5t th\u1ea3i ch\u0103n nu\u00f4i\" width=\"650\" height=\"650\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-2.jpg 650w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-2-100x100.jpg 100w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-2-510x510.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-2-300x300.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-2-150x150.jpg 150w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-2-12x12.jpg 12w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-2-600x600.jpg 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-3218\" class=\"wp-caption-text\"><em>The biogas tank is designed by coating with waterproof HDPE tarpaulin<\/em><\/figcaption><\/figure>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3217 size-full\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1.jpg\" alt=\"ch\u1ea5t th\u1ea3i ch\u0103n nu\u00f4i\" width=\"650\" height=\"714\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1.jpg 650w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1-510x560.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1-273x300.jpg 273w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1-11x12.jpg 11w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/may-ep-bun-trong-xu-ly-chat-thai-chan-nuoi-1-600x659.jpg 600w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Xu_ly_ky_khi\"><\/span><span style=\"color: #000080;\">3. Anaerobic treatment<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"translation-block\">If not using biogas tank, anaerobic system <a href=\"https:\/\/en.wikipedia.org\/wiki\/Upflow_anaerobic_sludge_blanket_digestion\" target=\"_self\" rel=\"noopener\">UASB (Upflow Anaerobic Sludge Blanket)<\/a> will be the application.<\/p>\n<p>In terms of structure, the UASB tank is a treatment tank with a sludge layer on the bottom. With a separation and gas collection system, the treated wastewater will come out at the top. The anaerobic microorganisms present in the sludge will decompose the organic matter present in the wastewater. The gas is collected and returned to the tank.<\/p>\n<figure id=\"attachment_3161\" aria-describedby=\"caption-attachment-3161\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3161 size-full\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/be-uasb-la-gi.jpg\" alt=\"\" width=\"640\" height=\"435\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/be-uasb-la-gi.jpg 640w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/be-uasb-la-gi-510x347.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/be-uasb-la-gi-300x204.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/be-uasb-la-gi-18x12.jpg 18w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/be-uasb-la-gi-600x408.jpg 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-3161\" class=\"wp-caption-text\"><em>An UASB anaerobic tank<\/em><\/figcaption><\/figure>\n<p><em>\u279c See more:<\/em> <a href=\"\/en\/learn-more-about-wastewater-and-sludge-treatment-in-the-seafood-industry\/\">Learn more about wastewater and sludge treatment in the seafood industry<\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Qua_trinh_khu_nitrate\"><\/span><em>The denitrification process<\/em><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p class=\"translation-block\">In the UASB tank system, the anoxic tank takes place in the nitrification process, reducing nitrogen gas, N<sub>2<\/sub>O or NO. These gases escape from which nitrogen is removed.<\/p>\n<p>NO<sub>3<\/sub><sup>\u2013<\/sup> \u2192 NO<sub>2<\/sub><sup>\u2013<\/sup>\u00a0\u2192 NO(g) \u2192\u00a0N<sub>2<\/sub>O (g) \u2192 N<sub>2 <\/sub>(g)<\/p>\n<p>Some species of nitrate-reducing bacteria used include: <em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Bacillus\" target=\"_blank\" rel=\"noopener\">Bacillus<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Pseudomonas\" target=\"_blank\" rel=\"noopener\">Pseudomonas<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Methylomonas\" target=\"_blank\" rel=\"noopener\">Methanomonas<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Paracoccus\" target=\"_blank\" rel=\"noopener\">Paracoccus<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Spirillum\" target=\"_blank\" rel=\"noopener\">Spirillum<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Thiobacillus\" target=\"_blank\" rel=\"noopener\">Thiobacillus<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Chromobacterium\" target=\"_blank\" rel=\"noopener\">Achromobacterium<\/a>, Denitro bacillu, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Micrococcus\" target=\"_blank\" rel=\"noopener\">Micrococus<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Xanthomonas\" target=\"_blank\" rel=\"noopener\">Xanthomonas<\/a>.<\/em><\/p>\n<p class=\"translation-block\">NO<sub>3<\/sub><sup>\u2013\u2013<\/sup> + 1.08 PM<sub>3<\/sub>OH + 0.24 H<sub>2<\/sub>CO<sub>3<\/sub>\u00a0 \u2192\u00a0 0.056 C<sub>5<\/sub>H<sub>7<\/sub>O<sub>2<\/sub>N (represents bacterial cells) + 0.47 N<sub>2 <\/sub> + 1.68 H<sub>2<\/sub>O + HCO<sub>3<\/sub><sup>\u2013<\/sup><\/p>\n<p class=\"translation-block\">NO<sub>3<\/sub><sup>\u2013\u2013<\/sup> + 0.345 C<sub>10<\/sub>H<sub>19<\/sub>O<sub>3<\/sub>N + H+ + 0.267 NH<sub>4<\/sub><sup>+<\/sup> + 0.267 HCO<sub>3<\/sub><sup>\u2013<\/sup>\u00a0 \u2192\u00a0 0.612 C<sub>5<\/sub>H<sub>7<\/sub>O<sub>2<\/sub>N (representing bacterial cells) + 0.5 N<sub>2<\/sub> +2.3 H<sub>2<\/sub>O + 0.655 CO<sub>2<\/sub><\/p>\n<\/div>\n<div>\n<table>\n<tbody>\n<tr>\n<td width=\"360\">\n<p style=\"text-align: center;\"><strong>Advantages<\/strong><\/p>\n<\/td>\n<td width=\"360\">\n<p style=\"text-align: center;\"><strong>Disadvantages<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"360\">\n<ul>\n<li style=\"text-align: left;\">UASB tanks are usually very tall. Therefore, the amount of sludge in livestock wastewater is completely kept at the bottom of the tank.<\/li>\n<li style=\"text-align: left;\">High gas production efficiency due to strictly maintained anaerobic conditions<\/li>\n<li style=\"text-align: left;\">Save area.<\/li>\n<\/ul>\n<\/td>\n<td width=\"360\">\n<ul>\n<li>Construction techniques and high construction level.<\/li>\n<li>More expensive than HDPE tarpaulin and traditional Biogas tanks.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"4_Be_dieu_hoa\"><\/span><span style=\"color: #000080;\">4. Air conditioning tank<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The conditioning tank has the effect of regulating the flow, concentration of pollutants, and neutralizing pH.<\/p>\n<figure id=\"attachment_3189\" aria-describedby=\"caption-attachment-3189\" style=\"width: 1020px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3189 size-large\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3-1024x581.jpg\" alt=\"\" width=\"1020\" height=\"579\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3-1024x581.jpg 1024w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3-510x289.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3-300x170.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3-768x436.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3-1536x872.jpg 1536w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3-18x10.jpg 18w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3-600x341.jpg 600w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/hieu-ro-hon-ve-he-thong-xu-ly-nuoc-thai-bun-thai-thuy-san-3.jpg 1600w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><figcaption id=\"caption-attachment-3189\" class=\"wp-caption-text\"><em>Pictures of the air conditioning tank<\/em><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"5_Xu_ly_hieu_khi\"><\/span><span style=\"color: #000080;\">5. Aerobic treatment<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The aerobic biological tank will be the next stage that determines the treatment efficiency of the entire system. The remaining organic matter will be decomposed into the atmosphere.<\/p>\n<p class=\"translation-block\">Ammonia will be converted to nitrate with the help of 2 strains of microorganisms <a href=\"https:\/\/en.wikipedia.org\/wiki\/Nitrosomonas\" target=\"_self\"><em>Nitrosomonas<\/em><\/a> and <a href=\"https:\/\/en.wikipedia.org\/wiki\/Nitrobacter\" target=\"_self\"><em>Nitrobacter<\/em><\/a>. Biomass produced by microorganisms will become sludge in settling tanks.<\/p>\n<p>NH<sub>4<\/sub><sup>+<\/sup> + 2 O<sub>2<\/sub> \u2192 NO<sub>3<\/sub><sup>\u2013<\/sup> + 2 H<sup>+<\/sup> + H<sub>2<\/sub>O<\/p>\n<p class=\"translation-block\">4 CO<sub>2<\/sub> + HCO<sub>3<\/sub><sup>\u2013\u2013<\/sup> + NH<sub>4<\/sub><sup>+<\/sup> + H<sub>2<\/sub>O\u00a0\u2192 C<sub>5<\/sub>H<sub>7<\/sub>O<sub>2<\/sub>N (bacterial cell, produces biomass) + 5 O <sub>2<\/sub><\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Be_keo_tu_tao_bong\"><\/span><span style=\"color: #000080;\">6. Coagulation and flocculation tank<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"translation-block\">Wastewater is then pumped through the flocculation tank, and coagulant chemicals (such as <a href=\"https:\/\/en.wikipedia.org\/wiki\/Aluminium_chlorohydrate\" target=\"_self\">PAC<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polyacrylamide\" target=\"_self\">polymer PAM<\/a>) are added in combination with the stirring system. Concentrations of PAC or PAM should be calculated accordingly, avoiding under or excess.<\/p>\n<p>Nh\u1edd c\u00f3 c\u00e1c ch\u1ea5t keo t\u1ee5 m\u00e0 c\u00e1c ch\u1ea5t l\u01a1 l\u1eedng k\u1ebft d\u00ednh v\u1edbi nhau t\u1ea1o th\u00e0nh nh\u1eefng b\u00f4ng c\u1eb7n l\u1edbn, d\u1ec5 l\u1eafng xu\u1ed1ng \u0111\u00e1y b\u1ec3 l\u1eafng, t\u00e1ch ra kh\u1ecfi n\u01b0\u1edbc th\u1ea3i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_Be_lang_hoa_ly_va_be_lang_sinh_hoc\"><\/span><span style=\"color: #000080;\">7. Physical and chemical settling tanks and biological settling tanks<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The coagulation will arise and continuously increase the amount of sludge. Sludge is collected in settling tanks and brought to sludge storage tanks.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_Khu_trung\"><\/span><span style=\"color: #000080;\">8. Disinfection<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>After undergoing biochemical methods, livestock wastewater still contains about 105-106 bacteria in 100ml of water. Chlorine will be injected into the water. This is a strong oxidizing gas that destroys metabolic processes, leading to the destruction of microorganisms.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3072 size-full\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/Nuoc-clo.jpg\" alt=\"\" width=\"653\" height=\"460\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/Nuoc-clo.jpg 653w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/Nuoc-clo-510x359.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/Nuoc-clo-300x211.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/Nuoc-clo-18x12.jpg 18w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/03\/Nuoc-clo-600x423.jpg 600w\" sizes=\"auto, (max-width: 653px) 100vw, 653px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"9_Ho_hoan_thien\"><\/span><span style=\"color: #000080;\">9. Finished Lake<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Formulated to remove toxic byproducts from chlorination of water before being released into the environment or reused in livestock.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"XU_LY_BUN_THAI_CHAT_THAI_CHAN_NUOI\"><\/span>Sludge treatment, livestock waste<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The amount of sludge generated from the settling tanks will be stored in the sludge tanks before pressing. The traditional method is to use a sludge drying yard. However, this is an outdated method and takes up a lot of space.<\/p>\n<p class=\"translation-block\"><a href=\"\/en\/product-category\/may-ep-bun\" target=\"_self\">Sludge dewatering<\/a> once again plays its role. Especially the sludge dewatering products of ARK Vietnam give the finished sludge with impressive dryness and stable performance.<\/p>\n<figure id=\"attachment_2797\" aria-describedby=\"caption-attachment-2797\" style=\"width: 1020px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2797 size-large\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/gumi-gyeongsang-bac-han-quoc-4-1024x673.jpg\" alt=\"\" width=\"1020\" height=\"670\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/gumi-gyeongsang-bac-han-quoc-4-1024x673.jpg 1024w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/gumi-gyeongsang-bac-han-quoc-4-510x335.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/gumi-gyeongsang-bac-han-quoc-4-300x197.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/gumi-gyeongsang-bac-han-quoc-4-768x505.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/gumi-gyeongsang-bac-han-quoc-4-18x12.jpg 18w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/gumi-gyeongsang-bac-han-quoc-4-600x394.jpg 600w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/gumi-gyeongsang-bac-han-quoc-4.jpg 1280w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><figcaption id=\"caption-attachment-2797\" class=\"wp-caption-text\"><em>ARK Vietnam's decanter centrifuge is the most modern sludge dewatering machine on the market.<\/em><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"UU_DIEM_CUA_MAY_EP_BUN_TRONG_XU_LY_NUOC_THAI_CHAT_THAI_CHAN_NUOI\"><\/span>Advantages of sludge presses in wastewater and livestock waste treatment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Dispose of waste of time without causing blockages or stagnation. Does not affect the environment. Reduce the risk of diseases for livestock and poultry.<\/li>\n<li>Labor cost savings compared to sludge drying or filter press method. Inefficient working capital. Reduce the impact on human health.\nSave transportation costs, save water, and improve economic efficiency.<\/li>\n<li>Ti\u1ebft ki\u1ec7m chi ph\u00ed v\u1eadn chuy\u1ec3n, ti\u1ebft ki\u1ec7m n\u01b0\u1edbc, n\u00e2ng cao hi\u1ec7u qu\u1ea3 kinh t\u1ebf.<\/li>\n<li>Simple and automatic operation mechanism. The sludge dewatering can be easily upgraded, without affecting the entire system.<\/li>\n<\/ul>\n<p>The application of sludge dewatering to wastewater and livestock waste treatment brings high and long-term economic benefits. Customers need advice on the right type of machine, with a detailed quote. Please contact ARK Vietnam immediately for timely support.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2549 size-full\" src=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-scaled.jpg\" alt=\"\" width=\"2560\" height=\"962\" srcset=\"https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-scaled.jpg 2560w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-scaled-510x192.jpg 510w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-300x113.jpg 300w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-1024x385.jpg 1024w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-768x289.jpg 768w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-1536x577.jpg 1536w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-2048x770.jpg 2048w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-18x7.jpg 18w, https:\/\/arkvietnam.com\/wp-content\/uploads\/2022\/02\/banner-thong-tin-cong-ty-600x226.jpg 600w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><em>When choosing ARK Vietnam, you will never be disappointed<\/em><\/span><\/p>\n<strong><b> Phone number: <\/b><\/strong> <a href=\"tel:0977675754\">0977.675.754<\/a> (Mr Truc)<br>\r\n\r\n<strong>Website:<\/strong> <span style=\"color: #0000ff;\"><a href=\"https:\/\/arkvietnam.com\/en\/\">www.arkvietnam.com<\/a><\/span><br>\r\n\r\n<strong>Email:<\/strong> <span style=\"color: #0000ff;\">arkvn234@gmail.com<\/span><br>\r\n\r\n<strong>Hanoi Office:<\/strong> 5th floor, N03-T7 Diplomatic Urban Area, Xuan Tao Ward, Bac Tu Liem District, Hanoi.<br>\r\n\r\n<strong>HCMC Office:<\/strong> 68 - 70 Hoang Dieu Street, Ward 13, District 4, HCM City.<br>","protected":false},"excerpt":{"rendered":"<p>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, ch\u1ea5t th\u1ea3i gia s\u00fac, gia c\u1ea7m l\u00e0 nhu c\u1ea7u b\u1ee9c thi\u1ebft c\u1ee7a c\u00e1c trang tr\u1ea1i ch\u0103n nu\u00f4i. N\u01b0\u1edbc th\u1ea3i c\u00f3 m\u00f9i x\u00fa u\u1ebf, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi d\u00e2n v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh. H\u00e0m l\u01b0\u1ee3ng ch\u1ea5t h\u1eefu c\u01a1, ph\u00fa d\u01b0\u1ee1ng cao l\u00e0 t\u00e1c nh\u00e2n g\u00e2y \u00f4 nhi\u1ec5m n\u1eb7ng n\u1ec1 cho c\u00e1c&#8230;<\/p>","protected":false},"author":2,"featured_media":3215,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[155],"class_list":["post-3211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-xu-ly-bun-thai"],"acf":[],"_links":{"self":[{"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/posts\/3211","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=3211"}],"version-history":[{"count":0,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/posts\/3211\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/media\/3215"}],"wp:attachment":[{"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=3211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=3211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arkvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=3211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}