Invention Grant
US5795486A Use of barium and/or strontium sulphide to remove heavy metals in acidic
solutions
失效
使用钡和/或硫酸锶来除去酸性溶液中的重金属
- Patent Title: Use of barium and/or strontium sulphide to remove heavy metals in acidic solutions
- Patent Title (中): 使用钡和/或硫酸锶来除去酸性溶液中的重金属
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Application No.: US579190Application Date: 1995-12-27
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Publication No.: US5795486APublication Date: 1998-08-18
- Inventor: Jean-Yves Chane-Ching , Fabrice Fourcot
- Applicant: Jean-Yves Chane-Ching , Fabrice Fourcot
- Applicant Address: FRX Courbevoie
- Assignee: Rhone-Poulenc Chimie
- Current Assignee: Rhone-Poulenc Chimie
- Current Assignee Address: FRX Courbevoie
- Main IPC: C02F1/52
- IPC: C02F1/52 ; C02F1/62
Abstract:
The invention relates to the use of barium sulphide or strontium sulphide for the removal of heavy metals in industrial acidic solutions. The invention is applicable to the purification of contaminated acids, in particular of spent battery acid, or of industrial solutions of titanyl sulphate.
Public/Granted literature
- US5039657A Preparation of superconducting oxide films by reactive evaporation using ozone Public/Granted day:1991-08-13
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