Corrosion inhibition in refineries using the reaction product of
hydrocarbyl succinic anhydride and an amine
    1.
    发明授权
    Corrosion inhibition in refineries using the reaction product of hydrocarbyl succinic anhydride and an amine 失效
    使用烃基琥珀酸酐和胺的反应产物在炼油厂中进行腐蚀抑制

    公开(公告)号:US5556575A

    公开(公告)日:1996-09-17

    申请号:US413340

    申请日:1995-03-30

    IPC分类号: C07D307/60 C10G7/10 C23F11/14

    CPC分类号: C10G7/10 C23F11/04 C23F11/145

    摘要: Disclosed are a method for inhibiting corrosion in crude oil distillation towers, an improvement in crude oil fractionation, a method for dispersing iron sulfide in a hydrocarbon stream and a hydrocarbon dispersion using the reaction product of hydrocarbyl succinic anhydride and an amine. The reaction product has a molecular weight of from 500-800, the hydrocarbyl substituent has 6-20 carbon atoms, and the amine is selected from EDA, DETA, TETA, TEPA, PEHA, AEP, piperazine, 1,2-PDA, 1,3-PDA, IBPA, MDA or HMDA. The imide product is a filming inhibitor used to treat metal surfaces subject to mineral acid corrosion and disperse iron sulfide particles by adding 3 to 24 ppm to sweet or sour crude contacting the metal surfaces.

    摘要翻译: 公开了一种抑制原油蒸馏塔腐蚀的方法,原油分馏的改进,烃流中硫化铁的分散方法和使用烃基琥珀酸酐与胺的反应产物的烃分散体。 反应产物的分子量为500-800,烃基取代基具有6-20个碳原子,胺选自EDA,DETA,TETA,TEPA,PEHA,AEP,哌嗪,1,2-PDA,1 ,3-PDA,IBPA,MDA或HMDA。 酰亚胺产品是一种用于处理无机酸腐蚀的金属表面的成膜抑制剂,通过向接触金属表面的甜或酸粗品加入3至24ppm来分散硫化铁颗粒。

    Amine blend neutralizers for refinery process corrosion
    2.
    发明授权
    Amine blend neutralizers for refinery process corrosion 失效
    用于炼油工艺腐蚀的胺混合中和剂

    公开(公告)号:US5965785A

    公开(公告)日:1999-10-12

    申请号:US893492

    申请日:1997-07-11

    IPC分类号: C10G7/10 C10G75/02

    CPC分类号: C10G75/02 C10G7/10 Y10S585/95

    摘要: This invention relates to inhibiting corrosion in systems of condensing hydrocarbons which contain water and chlorides, and, more particularly, in the overhead of crude oil atmospheric pipestills, with blends of amines. Preferred blends are 2-amino-1-methoxypropane, sec-butylamine, n-butylamine, dipropylamine and monoamylamine; 2-amino-1-methoxypropane, sec-butylamine, monoamylamine, n-butylamine and isobutylamine; and sec-butylamine, 2-amino-1-methoxypropane and 3-amino-1-methoxypropane.

    摘要翻译: 本发明涉及抑制含有水和氯化物的烃类,更特别是在原油大气管道塔顶馏出物与胺的混合物的系统中的腐蚀。 优选的共混物是2-氨基-1-甲氧基丙烷,仲丁胺,正丁胺,二丙胺和单酰胺; 2-氨基-1-甲氧基丙烷,仲丁胺,单胺,正丁胺和异丁胺; 和仲丁胺,2-氨基-1-甲氧基丙烷和3-氨基-1-甲氧基丙烷。