发明名称 |
Method of suppressing the rise in surface temperature of heating tubes by ammonia injection |
摘要 |
According to this invention, there is provided a method of suppressing the rise in surface temperature of the heating tubes in a fractionation apparatus for a crude oil, characterized in that an aqueous solution containing ammonia or ammonium ion is injected into the upstream line of the crude heater in an amount of 1 to 20 ppm in terms of ammonia based on the crude oil.
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申请公布号 |
US4220519(A) |
申请公布日期 |
1980.09.02 |
申请号 |
US19780959015 |
申请日期 |
1978.11.09 |
申请人 |
NIPPON PETROLEUM REFINING CO LTD |
发明人 |
FUJITA, KOHEI;OWAN, YOUICHI;OZAWA, MINORU |
分类号 |
C10G7/10;B01D3/36;C10G7/00;C10G9/16;C23F14/02;(IPC1-7):C10G9/16 |
主分类号 |
C10G7/10 |
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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