废水处理科技成果
世达膜作为有色金属领域污水处理的膜分离发明专利技术企业，在该领域一直坚持技术创新并且获得多项成果：
2008年：自主研发项目“铅锌冶炼厂废水零排放工艺装置研发及应用示范”获评云南省科技计划项目；
2009年：自主研发项目“铅锌冶炼厂废水零排放工艺装置研发及应用”获评国家及厦门市创新基金项目；
2009年：自主研发项目“铅锌冶炼厂废水零排放工艺装置”被录入科技成果登记，且已建成国内首条铅锌行业零排放膜法系统，并于2012年12月获评厦门市科技进步三等奖；
2010年：自主研发项目“锌氧化矿及二次资源高效清洁冶金新技术”获得国家科技成果鉴定证书；
2014年：自主研发“铅锌冶炼厂废水零排放方法”荣获厦门市专利奖三等奖。
Lead-Zinc Metallurgical Wastewater Zero Emission Process Equipment Science and Technology Progress T
2018 National Science and Technology Innovation Third Prize - Shida Membrane
Third prize of patent award for zero-emission process equipment for lead-zinc metallurgical wastewat
Zero Discharge of Lead and Zinc Smelting Wastewater
The main quality of domestic non-ferrous smelting heavy metal wastewater has the following three characteristics:
(1) high content of heavy metals, more resources can be recovered;
(2) Large amount of water, complicated water quality, and difficult handling...
The chloride ion content in the extraction wash water is 20-30g/L, and it is 3-4g/L under normal circumstances, which seriously exceed the emission standard.
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Wastewater，which is a complex of regenerating wastewater of resin and extraction wastewater in the workshop, has a high content of salt. The details of water compositionare as follows.
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The wastewater of Te and Se to be discharged from the production workshop of a rare metal refining company is mainly mixed wastewater of sodium sulfate and sodium chloride, wherein the concentration of sodium sulfate...
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