{"id":1862,"date":"2026-06-16T05:48:02","date_gmt":"2026-06-16T05:48:02","guid":{"rendered":"http:\/\/mingyu.njfmz.com\/?post_type=case&#038;p=1862"},"modified":"2026-06-23T01:55:52","modified_gmt":"2026-06-23T01:55:52","slug":"%e8%8f%8f%e6%b3%bd%e5%b8%82%e6%9f%90%e9%a6%99%e6%96%99%e5%8c%96%e5%b7%a5%e5%ba%9f%e6%b0%b4%e5%a4%84%e7%90%86%e7%ab%99%e6%94%b9%e9%80%a0%e5%b7%a5%e7%a8%8b","status":"publish","type":"case","link":"https:\/\/www.mingyuhb.com\/en\/case\/%e8%8f%8f%e6%b3%bd%e5%b8%82%e6%9f%90%e9%a6%99%e6%96%99%e5%8c%96%e5%b7%a5%e5%ba%9f%e6%b0%b4%e5%a4%84%e7%90%86%e7%ab%99%e6%94%b9%e9%80%a0%e5%b7%a5%e7%a8%8b\/","title":{"rendered":"Heze Spice Chemical Wastewater Treatment Station Upgrade Project"},"content":{"rendered":"<p><strong>Project Overview<\/strong><\/p>\n<ul>\n<li>Located in the Coal Chemical Industrial Park of Juye County, the company specializes in the production and sales of flavors, fragrances, and fine chemical products. Its core product portfolio includes carvone, maltol, ethyl isovalerate, and others, serving the food, daily chemical, and related industries.<\/li>\n<li>The project is designed with a wastewater treatment capacity of 30 m\u00b3\/d, with equipment installation and commissioning now completed.<\/li>\n<li>The wastewater stream originates from fragrance synthesis, esterification distillation, and cleaning processes, containing alcohols, esters, aromatic organics, and organic acids.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Key Technical Challenges<\/strong><\/p>\n<ul>\n<li>Significant fluctuations in both water quality and flow rate, accompanied by noticeable odors and color intensity.<\/li>\n<li>Strict source-segregation and multi-stream pretreatment of high-strength wastewater must be implemented to ensure the stable operation of the biological system.<\/li>\n<li>Aromatic and ester organic pollutants are refractory and difficult to degrade, necessitating enhanced pretreatment for ring cleavage and decomposition to reduce organic toxicity and load.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Process Flow<\/strong><\/p>\n<ul>\n<li>Production wastewater: Production wastewater \u2192 Carbon Residue Adsorption Tank \u2192 Equalization &amp; Sedimentation Tank \u2192 Activated Carbon Filter Tank \u2192 Desalination Evaporator \u2192 Micro-Electrolysis Tank \u2192 Biochemical Feed Tank<\/li>\n<li>Other low-concentration wastewater: Other low-concentration wastewater \u2192 Biochemical Feed Tank<\/li>\n<li>Combined wastewater: Biochemical Feed Tank \u2192 UASB \u2192 Facultative Tank \u2192 Biological Contact Oxidation Tank \u2192 Inclined-Tube Sedimentation Tank \u2192 Ozone Oxidation Tank \u2192 Clear Water Tank \u2192 Reuse Supply \/ Industrial Park WWTP<\/li>\n<li>Reclaimed water: Clear Water Tank \u2192 Multi-Media Filter \u2192 Cartridge Filter \u2192 RO System \u2192 Reclaimed Water Tank<\/li>\n<\/ul>","protected":false},"featured_media":2090,"parent":0,"menu_order":31,"template":"","format":"standard","categories":[4],"class_list":["post-1862","case","type-case","status-publish","format-standard","has-post-thumbnail","hentry","categories-specialty-chemical-effluent"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/case\/1862","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\/2090"}],"wp:attachment":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/media?parent=1862"}],"wp:term":[{"taxonomy":"categories","embeddable":true,"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/categories?post=1862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}