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Tributyl phosphate-nitrate solvent extraction process for producing high purity nuclear grade rare e 发明授权

2023-07-22 4420 530K 0

专利信息

申请日期 2025-07-06 申请号 US13877184
公开(公告)号 US9174855B2 公开(公告)日 2015-11-03
公开国别 US 申请人省市代码 全国
申请人 Kumar Chandru Asnani; Venkata Siva Rama Ravi Kanth Mukku; Prakash Buddha; Jayaraj Raigiri
简介 An improved process for the preparation of high purity rare metal compounds such as oxides utilizing TBP (Tri-Butyl Phosphate)-nitrate solvent extraction technique adapted to manufacture nuclear grade rare metal compounds such as zirconium oxide wherein the said process substantially aids in reducing the specific generation of ammonium nitrate effluent volume thereby increasing its concentration when the said effluent comprising ammonium nitrate and ammonium sulphate are utilized for stripping of the said rare metal compound from the organic solvent in the said process of production of high purity rare metal oxide powder.


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