发明名称 |
Mineral oil based scrubbing liquid composition. |
摘要 |
<p>A mineral oil based scrubbing liquid composition, suitable for use in removing hydrocarbons and/or other organic compounds impurities from a gas, comprises (i) a major proportion by weight of at least one mineral oil which essentially wholly distils between a minimum temperature not less than 250 DEG C and a maximum temperature not higher than 600 DEG C; (ii) 0.05 to 0.5 wt % in total of at least one antioxidant compound, preferably a sterically hindered phenolic compound; and further contains (iii) up to 1.0 wt % in total of one or more additives, which additives are either (a) one or more ionic or non-ionic surface active agents or (b) said surface active agent(s) together with one or more oil-soluble polymers having a minimum number average molecular weight of 15,000. Preferred surface active agents are sulphonates or alkylbenzene sulphonates. Preferred polymers are poly(iso)butenes.</p> |
申请公布号 |
EP0112053(A1) |
申请公布日期 |
1984.06.27 |
申请号 |
EP19830307001 |
申请日期 |
1983.11.16 |
申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
LUKASCHEK, GUNTHER;RUNGE, GERHARD |
分类号 |
B01D53/77;B01D47/00;B01D53/14;B01D53/44;(IPC1-7):01D53/14;01D47/00 |
主分类号 |
B01D53/77 |
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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