公开(公告)号：US20190381448A1

公开(公告)日：2019-12-19

申请号：US16484860

申请日：2018-02-09

Applicant: BASF SE ,  ExxonMobil Research and Engineering Company

Inventor： Thomas INGRAM ,  Martin ERNST ,  Gerald VORBERG ,  Alexander PANCHENKO ,  Sophia EBERT ,  Thomas Wesley HOLCOMBE ,  Michael SISKIN ,  Carla PEREIRA ,  Georg SIEDER

IPC: B01D53/14 ,  B01D53/52 ,  B01D53/78 ,  B01D53/96

Abstract: In a process for removal of acid gases from a fluid stream the fluid stream is contacted with an absorbent to obtain a treated fluid stream and a laden absorbent. The absorbent comprises a diluent and a compound of the general formula (I) wherein R1 is C1-C3-alkyl; R2 is C1-C3-alkyl; R3 is selected from hydrogen and C1-C3-alkyl; and R4 is selected from hydrogen and C1-C3-alkyl

公开(公告)号：US20200164303A1

公开(公告)日：2020-05-28

申请号：US16612921

申请日：2018-05-14

Applicant: BASF SE ,  ExxonMobil Research and Engineering Company

Inventor： Martin ERNST ,  Gerald VORBERG ,  Georg SIEDER ,  Thomas INGRAM ,  Virginia REINER ,  Carla PEREIRA ,  Michael SISKIN

IPC: B01D53/14 ,  C10L3/10 ,  C07C217/08 ,  C07C213/02

Abstract: An absorbent for the selective removal of hydrogen sulfide from a fluid stream comprising carbon dioxide and hydrogen sulfide, wherein the absorbent contains an aqueous solution, comprising: a) an amine or a mixture of amines of the general formula (I) wherein R1 is C1-C5-alkyl; R2 is C1-C5-alkyl; R3 is selected from hydrogen and C1-C5-alkyl; x is an integer from 2 to 10; and b) an ether or a mixture of ethers of the general formula (II): R4—[O—CH2—CH2]y—OH; wherein R4 is C1-C5-alkyl; and y is an integer from 2 to 10; wherein R1 and R4 are identical; wherein the mass ratio of b) to a) is from 0.08 to 0.5. The absorbent is suitable for the selective removal of hydrogen sulfide from a fluid stream comprising carbon dioxide and hydrogen sulfide. The absorbent has a reduced tendency for phase separation at temperatures falling within the usual range of regeneration temperatures for the aqueous amine mixtures and is easily obtainable.

公开(公告)号：US20190143262A1

公开(公告)日：2019-05-16

申请号：US16095970

申请日：2017-04-05

Applicant: BASF SE ,  EXXONMOBIL RESEARCH AND ENGINEERING COMPANY

Inventor： Thomas INGRAM ,  Genald VORBERGH ,  Martin ERNST ,  Carla PEREIRA ,  Michael SISKIN

IPC: B01D53/14

CPC classification number: B01D53/1493 ,  B01D53/1425 ,  B01D53/1462 ,  B01D53/1468 ,  B01D2252/20452 ,  B01D2252/20489 ,  B01D2257/304

Abstract: A process for removing acid gases from a fluid stream, wherein the fluid stream is contacted with an absorbent comprising a compound of the general formula (I), wherein R1 and R2 are independently C1-C4-alkyl; R3 is selected from hydrogen and C1-C4-alkyl, R4, R5 and R6 are independently selected from hydrogen and C1-C4-alkyl; x and y are integers from 2 to 4 and z is an integer from 1 to 3, to obtain a treated fluid stream and a laden absorbent. The process allows for a high cyclic capacity while the compounds of the absorbent have a reduced tendency to foaming and low volatility.