发明名称 |
Extraction of metals from aqueous solutions with asphaltenes |
摘要 |
A process for extracting metals from aqueous solutions containing such metals comprising contacting such an aqueous solution with an asphaltene to extract at least one metal from the aqueous solution to the asphaltene, and recovering the thus extracted at least one metal from the asphaltene. Also disclosed is a process for sulfonating a petroleum fraction containing asphaltenes, the thus sulfonated asphaltenes being advantageously employable in the process for extracting at least one metal from an aqueous solution containing such metal.
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申请公布号 |
US4802920(A) |
申请公布日期 |
1989.02.07 |
申请号 |
US19850810464 |
申请日期 |
1985.12.18 |
申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
KUKES, SIMON G.;SMITH, CLIFFORD E. |
分类号 |
C01G5/00;C01G7/00;C22B11/00;(IPC1-7):C22B11/04 |
主分类号 |
C01G5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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