- 专利标题： Composition And Method For Use Of 1-Alkyl-5-Oxopyrrolidine-3-Carboxylic Acids As Collectors For Phosphate And Lithium Flotation
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申请号： US17470795申请日： 2021-09-09
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公开(公告)号： US20230091787A1公开(公告)日： 2023-03-23
- 发明人: Dirk LEINWEBER , Adriana GROSSMANN , Wagner Claudio DA SILVA , Leandro Seixas BICALHO
- 申请人： Clariant International, Ltd.
- 申请人地址： CH Muttenz
- 专利权人： Clariant International, Ltd.
- 当前专利权人： Clariant International, Ltd.
- 当前专利权人地址： CH Muttenz
- 主分类号： B03D1/01
- IPC分类号： B03D1/01 ; C07D207/277 ; B03D1/008
摘要：
The invention relates to a flotation agent for lithium or phosphate ore, comprising at least one fatty acid and at least one 1-alkyl-5-oxopyrrolidine-3-carboxylic acid or 1-alkenyl-5-oxopyrrolidine-3-carboxylic acid or a mixture thereof of the formula (1) wherein R is a C7 to C21 alkyl or alkenyl group, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the 1-alkyl-5-oxopyrrolidine-3-carboxylic acid or 1-alkenyl-5-oxopyrrolidine-3-carboxylic acid of the formula (I) is from 1 to 30 wt.-%.
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