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一种从氧氯化锆废酸中提炼氧化钪的方法
Authors
吴涛
王蔚国
薛业建
Publication date
25 September 2013
Publisher
Abstract
本发明提供了一种从氧氯化锆废酸中提炼氧化钪的方法,包括以下步骤:a)利用萃取剂I对氧氯化锆废酸进行萃取,得到有机相I;所述萃取剂I包括P204、磷酸三丁酯、改性剂与稀释剂I;b)利用洗涤液I对所述有机相I进行洗涤,得到有机相II;所述洗涤液I为水或稀酸溶液;c)利用洗涤液II对所述有机相II进行洗涤,得到有机相III;所述洗涤液II为双氧水与稀酸的混合溶液;d)利用洗涤液III对所述有机相III进行洗涤,得到有机相IV;e)以碱性溶液为反萃取剂对所述有机相IV进行反萃取,水相过滤、焙烧后得到氧化钪。与现有技术相比,本发明以P204与磷酸三丁酯为萃取剂,成本较低,回收率较高
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Last time updated on 22/01/2018