发明名称 |
Process for cleansing spent clay |
摘要 |
Process for washing fatty acids from spent clay, such as spent bleaching clay, with aqueous alkali at elevated temperature is improved by establishing and maintaining the mixture of aqueous phase and fatty acid at a pH between about 5 and about 6.5.
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申请公布号 |
US4049685(A) |
申请公布日期 |
1977.09.20 |
申请号 |
US19760661257 |
申请日期 |
1976.02.25 |
申请人 |
SYLVACHEM CORPORATION |
发明人 |
SMITH, GARY W.;LEAVENS, DWIGHT E.;SIMS, LOUIS RAY |
分类号 |
C11B13/04;(IPC1-7):C11B13/04 |
主分类号 |
C11B13/04 |
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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