废线路板冶炼烟灰脱铅渣中金的回收试验研究  

Experimental Study on the Recovery of Gold from Lead Removal Slag from Ash of Waste Printed Circuit Board Smelting

作　　者：周立杰 刘风华 邹结富 赵海 贾宁 施建龙 Zhou Lijie;Liu Fenghua;Zou Jiefu;Zhao Hai;Jia Ning;Shi Jianlong(CECEP Engineering Technology Research Institute Co.,Ltd.,Beijing 100082,China;CECEP(Shantou)Recycling Resources Technology Co.,Ltd.,Shantou 515157,China)

机构地区：[1]中节能工程技术研究院有限公司,北京100082 [2]中节能(汕头)再生资源技术有限公司,广东汕头515157

出　　处：《中国资源综合利用》2019年第8期1-4,共4页China Resources Comprehensive Utilization

基　　金：广东省科技计划项目（项目编号：2017B020238001）的阶段性研究成果之一

摘　　要：废线路板熔池熔炼过程中会产生富含贵重金属的烟灰,本文针对经过脱除重金属的脱铅渣,进行了金的回收试验研究。通过优化NaClO3浓度、NaCl浓度、浸出时间、浸出温度和搅拌转速等参数,本研究确定了烟灰脱铅渣中金回收的最佳工艺条件,为废线路板冶炼烟灰中金的资源再生提供了新的路径。In this paper,the recovery of gold from the lead-removing slag after removal of heavy metals is studied in the process of melting the spent printed circuit board molten ash containing precious metals.Parameters such as concentration of NaClO3,concentration of NaCl,leaching time,temperature of leaching and stirring speed were optimized,The optimum technological conditions of gold recovery from the ash-lead-removing slag were determined,which provided a new way for the resource regeneration and extraction of gold in the ash from the waste circuit board smelting.

关 键 词：废线路板 烟灰 金 氯化法 

分 类 号：X705[环境科学与工程—环境工程]