{"id":1864,"date":"2026-06-16T05:54:12","date_gmt":"2026-06-16T05:54:12","guid":{"rendered":"http:\/\/mingyu.njfmz.com\/?post_type=case&#038;p=1864"},"modified":"2026-06-23T01:50:07","modified_gmt":"2026-06-23T01:50:07","slug":"%e6%b1%9f%e8%8b%8f%e6%9f%90%e6%96%b0%e8%83%bd%e6%ba%90%e5%85%89%e4%bc%8f%e5%ba%9f%e6%b0%b4%e5%a4%84%e7%90%86%e7%ab%99%e9%a1%b9%e7%9b%ae","status":"publish","type":"case","link":"https:\/\/www.mingyuhb.com\/en\/case\/%e6%b1%9f%e8%8b%8f%e6%9f%90%e6%96%b0%e8%83%bd%e6%ba%90%e5%85%89%e4%bc%8f%e5%ba%9f%e6%b0%b4%e5%a4%84%e7%90%86%e7%ab%99%e9%a1%b9%e7%9b%ae\/","title":{"rendered":"Jiangsu New Energy Photovoltaic Wastewater Treatment Station Project"},"content":{"rendered":"<p><strong>Project Overview<\/strong><\/p>\n<ul>\n<li>Positioned as a high-efficiency photovoltaic cell manufacturer, the company is engaged in photovoltaic cell manufacturing, R&amp;D and production of TOPCon high-efficiency cells, photovoltaic equipment and component manufacturing, as well as solar power generation technical services.<\/li>\n<li>The project is designed with a wastewater treatment capacity of 2,000 m\u00b3\/d, with equipment installation and commissioning now completed.<\/li>\n<li>The wastewater stream comprises multiple types, including cutting wastewater, acid washing wastewater, and rinsing wastewater, with certain process streams containing high concentrations of fluoride ions.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Key Technical Challenges<\/strong><\/p>\n<ul>\n<li>Given the \"segment-specific and type-specific\" characteristics of the wastewater, classified pretreatment is required for characteristic pollutants such as high fluoride, high nitrogen, and high hardness.<\/li>\n<li>The coexistence of hydrofluoric acid, nitric acid, and phosphates makes it challenging to achieve deep fluoride removal at low concentrations, while phosphorus tends to rebound. Conventional single-stage precipitation alone cannot reliably meet the discharge standards.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Process Flow<\/strong><\/p>\n<ul>\n<li><strong>Fluoride-containing wastewater:<\/strong>Acid\/Alkali Adjustment Tank \u2192 Primary Fluoride Removal Sedimentation Tank \u2192 Secondary Fluoride Removal Sedimentation Tank \u2192 pH Reclamation Tank \u2192 Effluent Discharge Tank \u2192 Industrial Park WWTP<\/li>\n<li><strong>High-nitrogen wastewater and other low-concentration wastewater:<\/strong>Collection Tank \u2192 Biochemical Feed Tank \u2192 Primary A\/O Tank \u2192 Secondary A\/O Tank \u2192 Biological Sedimentation Tank \u2192 Effluent Discharge Tank \u2192 Industrial Park WWTP<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/mingyuhb.com\/static\/upload\/image\/20260321\/1774073600182823.jpg\" alt=\"\" width=\"1000\" height=\"750\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/mingyuhb.com\/static\/upload\/image\/20260321\/1774075378137300.jpg\" alt=\"\" width=\"1000\" height=\"667\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/mingyuhb.com\/static\/upload\/image\/20260321\/1774075521214242.jpg\" alt=\"\" width=\"1000\" height=\"667\" \/><\/p>\n<p>&nbsp;<\/p>","protected":false},"featured_media":2094,"parent":0,"menu_order":3,"template":"","format":"standard","categories":[5],"class_list":["post-1864","case","type-case","status-publish","format-standard","has-post-thumbnail","hentry","categories-photovoltaic-semiconductor-wastewater"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/case\/1864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/types\/case"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/media\/2094"}],"wp:attachment":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/media?parent=1864"}],"wp:term":[{"taxonomy":"categories","embeddable":true,"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/categories?post=1864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}