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低浓度含铑有机废液中硫化沉铑工艺优化研究

Jiachun ZHAO,Qiang LI,Wei ZHOU,Yuedong WU,Weifeng TONG,Haiqiong YANG,Simin BAO,Haigang DONG

Precious Metals（2018）

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Abstract
应用硫化沉淀法处理乙酰丙酮铑废液,以沉淀形式回收铑.研究了反应温度、时间和体系pH值对铑沉淀率的影响,优化了硫化沉淀铑的工艺技术参数.结果表明,当反应温度控制在80℃,反应时间为6h,初始pH值为6～7.5,终点pH值小于9.5,饱和硫化钠溶液用量为理论量的20倍,搅拌转速为300 r/min时,铑沉淀率最高为80％以上.
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