饮用水管表面无铬钝化处理降低六价铬的析出研究  

Study on Reducing the Precipitation of Hexavalent Chromium by Chromium-free Passivation Treatment on the Surface of Drinking Water Pipes

作　　者：蓝欣文 刘子灿 高胜华 Lan Xinwen;Liu Zican;Gao Shenghua(Guangdong Kaimeng Passivation and Rust Prevention Technology Co.,Ltd.,Dongguan 523000;Viggs Hubei Fluid Technology Co.,Ltd.,Xianning 437000,China)

机构地区：[1]广东凯盟钝化防锈技术有限公司,广东东莞523000 [2]维格斯湖北流体技术有限公司,湖北咸宁437000

出　　处：《广东化工》2023年第9期37-39,63,共4页Guangdong Chemical Industry

摘　　要：不锈钢饮用水管使用过程中会析出六价铬,而六价铬在体内具有致癌作用,对人体健康的危害非常大,因此如何降低饮用水管中六价铬的析出成为了研究热点。本文针对不锈钢饮用水管六价铬的析出原因进行了分析,并通过优化不锈钢饮用水管的无铬钝化工艺提高饮用水管的耐蚀性,降低六价铬的析出。During the use of stainless steel drinking water pipes,hexavalent chromium will be released,which has a carcinogenic effect in the body and poses a great threat to human health.Therefore,how to reduce the precipitation of hexavalent chromium in drinking water pipes has become a research hotspot.This article analyzes the reasons for the precipitation of hexavalent chromium in stainless steel drinking water pipes,and improves the corrosion resistance of drinking water pipes and reduces the precipitation of hexavalent chromium by optimizing the chromium-free passivation process of stainless steel drinking water pipes.

关 键 词：不锈钢饮用水管 六价铬析出 无铬钝化 耐蚀性 工艺优化 

分 类 号：TU991.2[建筑科学—市政工程] TG174.4[金属学及工艺—金属表面处理]