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    • 4. 发明申请
    • PROCESS FOR REMOVAL OF ACID GASES
    • 去除酸性气体的方法
    • WO2004082809A1
    • 2004-09-30
    • PCT/GB2004/000791
    • 2004-02-27
    • BP EXPLORATION OPERATING COMPANY LIMITEDCANADA CHEMICAL CORPORATIONAYASSE, ConradDYMOV, Boris, P.WALKER, Graeme, Alan, Orgill
    • AYASSE, ConradDYMOV, Boris, P.WALKER, Graeme, Alan, Orgill
    • B01D53/14
    • B01D53/1493
    • A process for the removal of an acid gas from a gaseous feed stream comprising contacting the gaseous feed stream with an absorbing fluid to produce (a) a refined gaseous stream having a reduced acid gas content and (b) an acid gas rich absorbing fluid, wherein the absorbing fluid comprises an aqueous solution of a tertiary alkylamine having a concentration of tertiary alkylamine of above 60% by weight, and the tertiary alkylamine is selected from the group consisting of: diamines of formula: (I) (R 1 ) 2 N(CR 2 R 3 ) n N(R 1 ) 2 triamines of formula: (II) (R 1 ) 2 N(CR 2 R 3 ) n N(R)(CR 2 R 3 ) n N(R 1 ) 2 and tetramines of formula: (III) (R 1 ) 2 N(CR 2 R 3 ) n N(R)(CR 2 R 3 ) n N(R)(CR 2 R 3 ) n N(R 1 ) 2 where each R is independently a substituted or unsubstituted C 1 - C 4 alkyl; each R 1 is independently a substituted or unsubstituted C 1 - C 4 alkyl or, alternatively, the two R 1 groups together with the nitrogen atom form a heterocyclic ring; R 2 and R 3 are independently a hydrogen or a C 1 - C 4 alkyl group, and each of the CR 2 R 3 groups are the same or different and n is an integer from 1 to 4.
    • 一种用于从气态进料流中除去酸性气体的方法,包括使气态进料流与吸收流体接触以产生(a)具有降低的酸性气体含量的精炼气流,和(b)富含酸性气体的吸收流体, 其中所述吸收流体包含叔烷基胺浓度高于60重量%的叔烷基胺的水溶液,所述叔烷基胺选自:式(I)(R 1)的二胺: (II)(R 1)2 N(CR 2 R 3)n N(R)(CR 1)2 NR(CR 2 R 3)n N(R 1) 2 R 3)n N(R 1)2和式(III)(R 1)2 N(CR 2 R 3)n N(R)(CR 2 R nN(R)(CR 2 R 3)n N(R 1)2,其中每个R独立地是取代或未取代的C 1 -C 4烷基; 每个R 1独立地是取代或未取代的C 1 -C 4烷基,或者,两个R 1基团与氮原子一起形成杂环; R 2和R 3独立地为氢或C 1 -C 4烷基,CR 2 R 3基团各自相同或不同,n为1至4的整数。