公开(公告)号：SG11201801409PA

公开(公告)日：2018-04-27

申请号：SG11201801409P

申请日：2016-09-26

Applicant: BASF SE

Inventor： INGRAM THOMAS ,  SIEDER GEORG

IPC: B01D53/14 ,  C10L3/10

公开(公告)号：AU2013225124B2

公开(公告)日：2017-06-15

申请号：AU2013225124

申请日：2013-02-26

Applicant: BASF SE

Inventor： KATZ TORSTEN ,  RIEMANN CHRISTIAN ,  SIEDER GEORG

IPC: B01D53/14

Abstract: A process for removing acid gases from a water vapour-containing fluid stream (1) comprises a) providing an absorption liquid (16) which is incompletely miscible with water; b) treating the fluid stream (1) in an absorption zone (3) with the absorption liquid (16) to obtain an acid gas-depleted treated fluid stream (4) and an acid gas-loaded absorption liquid (7); c) directing the treated fluid stream (4) to a rehydration zone (5) and treating the fluid stream (4) with an aqueous liquid (22) to volatilize at least part of the aqueous liquid; d) regenerating (12) the loaded absorption liquid (9, 11) to expel the acid gases (17) at least in part and obtain a regenerated absorption liquid (13), and directing the regenerated absorption liquid (13, 14, 16) to step b); and e) separating (8), from the absorption liquid (7), an aqueous liquid (22) that has condensed in the absorption zone (3), and directing the aqueous liquid (22) to step c). The process allows for an efficient removal of water accumulated in the absorption liquid system.

公开(公告)号：CA3000284A1

公开(公告)日：2017-04-06

申请号：CA3000284

申请日：2016-09-12

Applicant: BASF SE

Inventor： INGRAM THOMAS ,  SIEDER GEORG

IPC: B01D53/14 ,  C07C217/08

Abstract: The invention relates to a compound of general formula (I) where R1 through R8, x, y, and z are defined as in the description. The invention also relates to an absorbent comprising a solution of the compound, and the use thereof, and a method for removing acid gases from a fluid flow, wherein the fluid flow is brought into contact with the absorbent. The compounds of general formula (I) are characterized by thermal stability and low volatility. Absorbents based on the compounds are characterized by high absorption capacity, high cyclic capacity, and good regenerability. The solutions of the compounds in non-aqueous solvents are characterized by low viscosities.

公开(公告)号：CA3000030A1

公开(公告)日：2017-04-06

申请号：CA3000030

申请日：2016-09-14

Applicant: BASF SE

Inventor： INGRAM THOMAS ,  SIEDER GEORG ,  PREIBISCH IMKE

IPC: B01D53/14 ,  C10L3/10

Abstract: The invention relates to an absorption agent for selectively removing hydrogen sulphide from a fluid flow containing carbon dioxide and hydrogen sulphide, containing a) 10 to 70 wt.% of at least one sterically-hindered secondary amine that has at least one ether group and/or at least one hydroxyl group in the molecule; b) at least one non-aqueous solvent that has at least two functional groups, selected from ether groups and hydroxyl groups, in the molecule, and c) a cosolvent where appropriate; wherein the hydroxyl group density of the absorption agent ?Abs lies in the range of 8.5 to 35 mol(OH)/kg. Moreover, a method is described for selectively removing hydrogen sulphide from a fluid flow containing carbon dioxide and hydrogen sulphide, said fluid flow being brought into contact with the absorption agent. The absorption agent is characterised by a good regeneration capacity and high cyclic acid gas capacity.

公开(公告)号：AU2015309020A1

公开(公告)日：2017-04-06

申请号：AU2015309020

申请日：2015-08-20

Applicant: BASF SE

Inventor： INGRAM THOMAS ,  DA SILVA MARION ,  SIEDER GEORG

IPC: C07C217/08 ,  B01D53/14 ,  B01J31/24 ,  C10L3/10

Abstract: A compound of the general formula (I) in which R

公开(公告)号：CA2750460C

公开(公告)日：2017-01-24

申请号：CA2750460

申请日：2010-02-01

Applicant: BASF SE

Inventor： GARCIA ANDARCIA HUGO RAFAEL ,  LICHTFERS UTE ,  SIEDER GEORG ,  SPUHL OLIVER ,  BRUGHMANS STEVEN

IPC: B01D53/14

Abstract: The invention relates to an absorbent for removing acid gases from a fluid flow, comprising an aqueous solution A) of at least one cyclic amine compound having exclusively tertiary amine groups and/or sterically hindered secondary amine groups, and B) of at least one cyclic amine compound having at least one sterically unhindered secondary amine group. The absorbent comprises, for example, an aqueous solution of A) 1-hydroxyethyl-piperidine and/or triethylenediamine and B) piperazine. The absorbent is suited especially for separating carbon dioxide from flue gases and meets the following criteria: (i) sufficient capacity at low CO2 partial pressures; (ii) sufficiently fast absorption speed at low CO2 partial pressures; (iii) stability toward oxygen; (iv) low vapor pressure in order to reduce solvent losses; and (v) low energy requirement for regenerating the absorbent.

公开(公告)号：CA2727057C

公开(公告)日：2017-01-17

申请号：CA2727057

申请日：2009-06-09

Applicant: BASF SE

Inventor： LICHTFERS UTE ,  THIELE ROBIN ,  VOGES SUSANNA ,  SIEDER GEORG ,  SPUHL OLIVER ,  GARCIA ANDARCIA HUGO RAFAEL

IPC: B01D53/14 ,  B01D53/62 ,  C10L3/10

Abstract: Absorption medium for sour gases, comprising an oligoamine (A) of the general formula (I) and a piperazine derivative (B) of the general formula (II), in which the weight ratio of oligoamine (A) to piperazine derivative (B) is 0.2 to 25, and a method for removing sour gases from a gas stream by contacting the gas stream at a pressure of 0.05 to 10 MPa abs with an aqueous solution of said absorption means, said solution being temperature-controlled at a temperature of 20 to 80°C.

公开(公告)号：CA2703998C

公开(公告)日：2016-07-05

申请号：CA2703998

申请日：2008-11-14

Applicant: BASF SE

Inventor： ASPRION NORBERT ,  SIEDER GEORG ,  LICHTFERS UTE ,  GARCIA ANDARCIA HUGO RAFAEL

IPC: B01D53/14 ,  B01D53/62 ,  C01B32/50

Abstract: A method for removing carbon dioxide from a fluid flow, wherein a) the fluid flow is brought into contact with an absorption agent, which contains a solution of ammonia and at least one amino carboxylic acid and/or amino sulfonic acid, a charged absorption agent being obtained, and b) the charged absorption agent is regenerated while releasing carbon dioxide. The additional use of the amino carboxylic acid and/or amino sulfonic acid increases the circulation absorption capacity of the absorption agent.

公开(公告)号：HUE026029T2

公开(公告)日：2016-05-30

申请号：HUE12712643

申请日：2012-03-30

Applicant: BASF SE

Inventor： SIEDER GEORG ,  NOTZ RALF ,  GARCIA ANDARCIA HUGO RAFAEL ,  SCHMIDT SANDRA ,  MOSER PETER

IPC: B01D53/14 ,  B01D53/62

公开(公告)号：CA2959700A1

公开(公告)日：2016-03-03

申请号：CA2959700

申请日：2015-08-20

Applicant: BASF SE

Inventor： VORBERG GERALD ,  NOTZ RALF ,  INGRAM THOMAS ,  SIEDER GEORG ,  KATZ TORSTEN

IPC: B01D53/14 ,  C10L3/10

Abstract: An absorbent for selective removal of hydrogen sulfide from a fluid stream comprises an aqueous solution of a) a tertiary amine, b) a sterically hindered secondary amine of the general formula (I) in which R1 and R2 are each independently selected from C1-4-alkyl and C1-4-hydroxyalkyl; R3, R4, R5 and R6 are each independently selected from hydrogen, C1-4-alkyl and C1-4-hydroxyalkyl, with the proviso that at least one R4 and/or R5 radical on the carbon atom bonded directly to the nitrogen atom is C1-4-alkyl or C1-4-hydroxyalkyl when R3 is hydrogen; x and y are integers from 2 to 4 and z is an integer from 1 to 4; where the molar ratio of b) to a) is in the range from 0.3 to 0.7, and c) an acid in an amount, calculated as neutralization equivalents relative to the protonatable nitrogen atoms in a) and b), of 1.0 to 9.0%. One preferred amine of the formula is 2-(2-tert-butylaminoethoxy)ethanol. The absorbent allows a defined H2S selectivity to be set at pressures of the kind typical in natural gas processing. In addition, a process for removing acidic gases from a fluid stream having a partial H2S pressure of at least 0.1 bar and/or a partial CO2 pressure of at least 0.2 bar by means of this absorbent.