公开(公告)号：US10894921B2

公开(公告)日：2021-01-19

申请号：US15517682

申请日：2014-10-09

Applicant: BASF SE

Inventor： Hans-Guenter Wagner ,  Christoph Bayer ,  Lothar Karrer ,  Sven Crone ,  Markus Eggersmann ,  Kam Wing Wong ,  Patrik Pietz ,  Heinz Ruetter

IPC: C10G25/12 ,  C10G57/02 ,  C10G67/06 ,  C10G69/12 ,  B01J20/08 ,  B01J20/34

Abstract: Disclosed is a process for the regeneration of an adsorber (A1). The adsorber (A1) is regenerated by contact with a gaseous stream (S2) and the outflow of the adsorber (A1) comprising condensate of stream (S2) and organic composition (OC1) collected in a device. After regeneration of the adsorber (A1) the stream (S2) in the adsorber (A1) is replaced completely or at least partially by the content of the device. Then the adsorber (A1) is fed with organic composition comprising at least one olefin, at least one alkane and at least one compound containing oxygen and/or sulfur.

公开(公告)号：US10137400B2

公开(公告)日：2018-11-27

申请号：US15517286

申请日：2014-10-09

Applicant: BASF SE

Inventor： Hans-Guenter Wagner ,  Christoph Bayer ,  Lothar Karrer ,  Heinz Ruetter ,  Patrik Pietz ,  Sven Crone ,  Markus Eggersmann ,  Kam Wing Wong

IPC: C07C7/11 ,  B01D53/04 ,  C10G25/12 ,  C10G57/02 ,  C10G67/06 ,  C10G69/12 ,  B01J20/08 ,  B01J20/34 ,  C10G25/05

Abstract: The invention relates to a process for the regeneration of an adsorber. For the regeneration a liquid stream (S2) comprising at least one alkane is converted from liquid phase into gaseous phase. Then the adsorber is regenerated and heated by contact with gaseous stream (S2) up to 230 to 270° C. Subsequently, the adsorber is cooled first by contact with gaseous stream (S2) to a temperature of 90 to 150° C. followed by cooling with liquid stream (S2) to a temperature below 80° C. The outflow of the adsorber (S2*) during the cooling with gaseous stream (S2) and optionally the outflow of the adsorber (S2*) during cooling with liquid stream (S2) is recycled in at least one of these steps.

公开(公告)号：US10550047B2

公开(公告)日：2020-02-04

申请号：US15517695

申请日：2014-10-09

Applicant: BASF SE

Inventor： Hans-Guenter Wagner ,  Christoph Bayer ,  Lothar Karrer ,  Sven Crone ,  Markus Eggersmann ,  Kam Wing Wong ,  Patrik Pietz ,  Heinz Ruetter

IPC: C07C2/10 ,  C07C5/03 ,  C07C5/05

Abstract: A process for the production of oligomerized olefins comprising the following steps: purification of an organic composition (OC1) in at least one adsorber to obtain an organic composition (OC2); oligomerization of organic composition (OC2) in the presence of a catalyst to obtain an organic composition (OC3); distillation of organic composition (OC3) in a distillation column (D1) to obtain an organic composition (OC4) from the upper part of (D1) and an organic composition (OC5) from the lower part of (D1); hydrogenation of organic composition (OC4) to obtain an organic composition (OC11) and regeneration of an adsorber (A1) employing organic composition (OC11) as regeneration media.

公开(公告)号：US09943828B2

公开(公告)日：2018-04-17

申请号：US15517857

申请日：2014-10-09

Applicant: BASF SE

Inventor： Hans-Guenter Wagner ,  Christoph Bayer ,  Lothar Karrer ,  Sven Crone ,  Markus Eggersmann ,  Guenther Kirchner ,  Gabriele Zimmer ,  Kam Wing Wong ,  Patrik Pietz ,  Heinz Ruetter

IPC: B01J20/34 ,  C07C5/03 ,  C07C2/06 ,  F28D7/10 ,  F28D21/00

CPC classification number: B01J20/3483 ,  B01J20/3408 ,  B01J20/3433 ,  B01J20/3458 ,  C07C2/06 ,  C07C5/03 ,  F28D7/10 ,  F28D2021/0064

Abstract: The invention relates to a process for regeneration of an adsorber (A) by contact with a stream (S1), wherein the stream (S1) is heated in advance by at least two heat exchange units (HEU1) and (HEU2). As outflow of the adsorber (A) a stream (S2) is obtained, which is passed through at least two heat exchange units (HEU1) and (HEU2) traversed by stream (S1), wherein the temperature of stream (S2) fed into each heat exchange unit is higher than the temperature of stream (S1) fed into the heat exchange units (HEU1) and (HEU2), in order to directly transfer heat from stream (S2) to stream (S1).

公开(公告)号：US20240150264A1

公开(公告)日：2024-05-09

申请号：US18280686

申请日：2022-03-01

Applicant: BASF SE

Inventor： Suman THOTLA ,  Hans-Guenter Wagner ,  Randolf HUGO ,  Gerrit WATERS ,  Michael HUEBNER ,  Markus NEUDERT ,  Thomas ROUSSIERE

IPC: C07C7/05 ,  C07C1/22

CPC classification number: C07C7/05 ,  C07C1/22

Abstract: The invention relates to a process for obtaining isobutene from an isobutene containing C4-hydrocarbon mixture (1) in a plant comprising an etherification unit (3), a first distillation unit (5), an ether cleavage unit (10) and a second distillation unit (12), the process comprising: (a) contacting the C4-hydrocarbon mixture (1) with a primary alcohol (2) and reacting the mixture with the primary alcohol in the presence of an acidic catalyst to form the corresponding alkyl tert-butyl ether in the etherification unit (3); (b) distilling the reaction mixture (4) from the etherification unit (3) in the first distillation unit (5), a C4-hydrocarbon raffinate being withdrawn as the overhead product (6), and the alkyl tert-butyl ether being withdrawn as the bottom product (7); (c) vaporizing the bottom product from the first distillation unit (5) in an evaporator (8) obtaining a vapor stream (9); (d) reacting the vapor stream (9) of step (c) in the presence of an acidic catalyst obtaining isobutene and the primary alcohol as reaction products in the ether cleavage unit (10); (e) distilling the reaction mixture (11) from the ether cleavage unit (10) in the second distillation unit (12), isobutene being withdrawn as the overhead product (13), the primary alcohol and diisobutene being withdrawn as the bottom product (14) and being recycled to the etherification unit (3); wherein a purge stream (15) containing high boiling components with a normal boiling point higher than that of the alkyl tert-butyl ether is withdrawn from the evaporator (8) in step (c).

公开(公告)号：US10940427B2

公开(公告)日：2021-03-09

申请号：US15517848

申请日：2014-10-09

Applicant: BASF SE

Inventor： Hans-Guenter Wagner ,  Christoph Bayer ,  Lothar Karrer ,  Heinz Ruetter ,  Patrik Pietz ,  Sven Crone ,  Markus Eggersmann ,  Kam Wing Wong

IPC: B01D53/04 ,  B01J20/08 ,  C07C2/06 ,  C07C7/12 ,  C10G25/12 ,  C10G67/06 ,  B01J20/34

Abstract: Disclosed is a process for the regeneration of an adsorber. For the regeneration a liquid stream (S2) is applied which is obtained by hydrogenation of a stream (S1) comprising at least one alkane and least one olefin. The stream (S2) comprises one alkane and a reduced amount of at least one olefin compared to the amount in the stream (S1). Then the stream (S2) is converted from the liquid into the gaseous phase and the adsorber is regenerated by contact with the gaseous stream (S2).

公开(公告)号：US10807018B2

公开(公告)日：2020-10-20

申请号：US15517558

申请日：2014-10-09

Applicant: BASF SE

Inventor： Hans-Guenter Wagner ,  Christoph Bayer ,  Lothar Karrer ,  Markus Eggersmann ,  Sven Crone ,  Kam Wing Wong ,  Heinz Ruetter ,  Patrik Pietz

IPC: B01D15/00 ,  C10G50/00 ,  C10G25/12 ,  C10G57/02 ,  C10G45/00 ,  C10G25/00 ,  C10G67/06 ,  C10G69/12 ,  B01D3/14 ,  C07C2/06 ,  C07C5/03

Abstract: Disclosed is a process for the purification of an organic composition (OC1) by adsorption using an assembly containing at least two adsorbers. The organic composition (OC1) comprising at least one alkane, at least one olefin and at least one compound containing oxygen and/or sulphur is fed into a first adsorber (A1) of the assembly in order to obtain an organic composition (OC2) comprising at least one alkane, at least one olefin and a reduced amount of at least one compound containing oxygen and/or sulphur compared to the respective amount in organic composition (OC1). Hydrogenation of the organic composition (OC2) provides a stream (S2) comprising at least one alkane and a reduced amount of at least one olefin compared to the respective amount in organic composition (OC2) obtained after feeding into the first adsorber (A1). A second adsorber (A2) of the assembly is regenerated by contact with stream (S2).