发明名称 |
Inhibition of build-up in reaction vessels. |
摘要 |
A method of inhibiting the build-up of a contaminating material in a sulph(on)ation reaction vessel in which the surfaces of the reaction vessel exposed to the sulphonation reaction mixture are pretreated with a fluid containing a source of manganese whereby a coating comprising mananese dioxide is formed on those surfaces. |
申请公布号 |
ZA200109004(B) |
申请公布日期 |
2002.10.31 |
申请号 |
ZA20010009004 |
申请日期 |
2001.10.31 |
申请人 |
UNILEVER PLC. |
发明人 |
PAUL CHADWICK;JOHN STEWART |
分类号 |
B01J19/00;B01J19/02;C07C303/06;C07C309/31 |
主分类号 |
B01J19/00 |
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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