公开(公告)号：MY140931A

公开(公告)日：2010-02-12

申请号：MYPI20055754

申请日：2005-12-08

Applicant: BASF AG

Inventor： CRONE SVEN DR ,  KLANNER CATHARINA DR ,  SCHINDLER GOTZ-PETER DR ,  DUDA MARK DR ,  BORGMEIER FRIEDER DR

IPC: C07C5/333

Abstract: A PROCESS FOR PREPARING BUTADIENE, COMPRISING NONOXIDATIVELY DEHYDROGENATING N-BUTANE FROM A STREAM (4) (A) IN A FIRST DEHYDROGENATION ZONE (18) TO OBTAIN STREAM (5) (B) COMPRISING I-BUTENE AND 2-BUTENE; OXIDATIVELY DEHYDROGENATING THE I-BUTENE AND 2-BUTENE OF (B) IN THE PRESENCE OF AN OXYGENOUS GAS (6) IN A SECOND DEHYDROGENATION ZONE (19) TO OBTAIN STREAM (C) COMPRISING N-BUTANE, BUTADIENE, HYDROGEN, CARBON DIOXIDE, AND STEAM; COMPRESSING (21) AND COOLING (C) TO OBTAIN STREAM (D2) COMPRISING N-BUTANE, BUTADIENE, HYDROGEN, CARBON DIOXIDE, AND STEAM; EXTRACTIVELY DISTILLING (22) (D2) INTO STREAM (E1) COMPRISING BUTADIENE AND STREAM (E2) COMPRISING N-BUTANE, HYDROGEN, CARBON DIOXIDE, AND STEAM; COMPRESSING (23, 24) AND COOLING (E2) TO OBTAIN STREAM (FL) COMPRISING N-BUTANE AND WATER AND STREAM (F2) COMPRISING N-BUTANE, HYDROGEN, AND CARBON DIOXIDE; COOLING (F2) TO OBTAIN STREAM (G1) COMPRISING N-BUTANE AND STREAM (G2) COMPRISING CARBON DIOXIDE AND HYDROGEN; PHASE SEPARATING WATER FROM (FL) TO OBTAIN STREAM (H1) COMPRISING N-BUTANE; AND RECYCLING (HI) INTO THE FIRST DEHYDROGENATION ZONE (18).

公开(公告)号：MY151171A

公开(公告)日：2014-04-30

申请号：MYPI20060065

申请日：2006-01-06

Applicant: BASF AG

Inventor： KLANNER CATHARINA DR ,  SCHINDLER GÖTZ-PETER DR ,  CRONE SVEN DR ,  BORGMEIER FRIEDER DR ,  DUDA MARK DR ,  SIMON FALK DR

IPC: C07C5/333

Abstract: A PROCESS FOR PREPARING BUTADIENE, COMPRISING A) PROVIDING A STREAM (4) (A) COMPRISING N-BUTANE; B) FEEDING STREAM (A) COMPRISING INTO AT LEAST ONE FIRST DEHYDROGENATION ZONE AND NONOXIDATIVELY CATALYTICALLY DEHYDROGENATING N-BUTANE TO OBTAIN A STREAM (B) COMPRISING N-BUTANE, 1-BUTENE, 2-BUTENE, BUTADIENE, HYDROGEN AND LOW-BOILING SECONDARY CONSTITUENTS; C) FEEDING STREAM (B) AND AN OXYGENOUS GAS INTO AT LEAST ONE SECOND DEHYDROGENATION ZONE AND OXIDATIVELY DEHYDROGENATING N-BUTANE, 1 -BUTENE AND 2-BUTENE TO OBTAIN A STREAM (C) COMPRISING N-BUTANE, 2-BUTENE, BUTADIENE, LOW-BOILING SECONDARY CONSTITUENTS, CARBON OXIDES AND STEAM, WHEREIN STREAM (C) HAS A HIGHER CONTENT OF BUTADIENE THAN STREAM (B); D) REMOVING THE LOW- BOILING SECONDARY CONSTITUENTS AND STEAM TO OBTAIN A STREAM (D) (13) SUBSTANTIALLY CONSISTING OF N-BUTANE, 2-BUTENE AND BUTADIENE; E) SEPARATING STREAM (D) INTO A STREAM (EL) CONSISTING SUBSTANTIALLY OF N-BUTANE AND 2-BUTENE AND A STREAM (E2) CONSISTING SUBSTANTIALLY OF BUTADIENE BY EXTRACTIVE DISTILLATION; F) RECYCLING STREAM (EL) INTO THE FIRST DEHYDROGENATION ZONE. (SOLE

公开(公告)号：MY141055A

公开(公告)日：2010-02-25

申请号：MYPI20056031

申请日：2005-12-20

Applicant: BASF AG

Inventor： CRONE SVEN DR ,  KLANNER CATHARINA DR ,  SCHINDLER GOETZ-PETER DR ,  DUDA MARK DR ,  BORGMEIER FRIEDER DR

Abstract: A PROCESS FOR PREPARING BUTADIENE FROM N-BUTANE, COMPRISING THE STEPS OF A) PROVIDING A FEED GAS STREAM A COMPRISING N-BUTANE; B) FEEDING THE FEED GAS STREAM A COMPRISING N-BUTANE INTO AT LEAST ONE FIRST DEHYDROGENATION ZONE AND NONOXIDATIVELY, CATALYTICALLY DEHYDROGENATING N-BUTANE TO OBTAIN A GAS STREAM B COMPRISING N-BUTANE, 1-BUTENE, 2-BUTENE, BUTADIENE AND HYDROGEN, WITH OR WITHOUT STEAM, WITH OR WITHOUT CARBON OXIDES AND WITH OR WITHOUT INERT GASES; C) FEEDING THE GAS STREAM B AND AN OXYGENOUS GAS INTO AT LEAST ONE SECOND DEHYDROGENATION ZONE AND OXIDATIVELY DEHYDROGENATING 1-BUTENE AND 2-BUTENE TO OBTAIN A GAS STREAM C COMPRISING N-BUTANE, BUTADIENE, HYDROGEN, STEAM, WITH OR WITHOUT CARBON OXIDES AND WITH OR WITHOUT INERT GASES; D) COMPRESSING IN AT LEAST ONE FIRST COMPRESSION STAGE AND COOLING THE GAS STREAM C TO OBTAIN AT LEAST ONE CONDENSATE STREAM D1 COMPRISING WATER AND A GAS STREAM D2 COMPRISING N-BUTANE, BUTADIENE, HYDROGEN AND STEAM, WITH OR WITHOUT CARBON OXIDES AND WITH OR WITHOUT INERT GASES; E) SEPARATING THE GAS STREAM D2 BY EXTRACTIVE DISTILLATION INTO A PRODUCT STREAM E1 CONSISTING SUBSTANTIALLY OF BUTADIENE AND A STREAM E2 COMPRISING N-BUTANE, HYDROGEN AND STEAM, WITH OR WITHOUT CARBON OXIDES AND WITH OR WITHOUT INERT GASES; F) IF APPROPRIATE COMPRESSING IN ONE OR MORE FURTHER COMPRESSION STAGES AND COOLING THE GAS STREAM E2 TO OBTAIN AT LEAST ONE CONDENSATE STREAM F1 COMPRISING N-BUTANE AND WATER, AND A GAS STREAM F2 COMPRISING N-BUTANE AND HYDROGEN, WITH OR WITHOUT CARBON OXIDES AND WITH OR WITHOUT INERT GASES, AND IF APPROPRIATE RECYCLING THE CONDENSATE STREAM F1 INTO THE FIRST DEHYDROGENATION ZONE; G) SEPARATING THE GAS STREAM 12 INTO A RECYCLE STREAM G1 COMPRISING N-BUTANE AND AN 011GAS STREAM G2 COMPRISING HYDROGEN, WITH OR WITHOUT CARBON OXIDES AND WITH OR WITHOUT INERT GASES, BY CONTACTING THE GAS STREAM 12 WITH A HIGH-BOILING ABSORBENT AND SUBSEQUENTLY DESORBING THE GAS CONSTITUENTS DISSOLVED IN THE ABSORBENT.

公开(公告)号：MY139900A

公开(公告)日：2009-11-30

申请号：MYPI20055155

申请日：2005-10-31

Applicant: BASF AG

Inventor： CRONE SVEN DR ,  KLANNER CATHARINA DR ,  SCHINDLER GOETZ-PETER DR ,  DUDA MARK DR ,  BORGMEIER FRIEDER DR

IPC: C07C5/333

Abstract: A) PROVIDING A FEED GAS STREAM A COMPRISING N-BUTANE; B) FEEDING THE FEED GAS STREAM A COMPRISING N-BUTANE INTO AT LEAST ONE FIRST DEHYDROGENATION ZONE AND NONOXIDATIVELY, CATALYTICALLY DEHYDROGENATING N-BUTANE TO OBTAIN A GAS STREAM B COMPRISING N-BUTANE, I-BUTENE, 2-BUTENE, BUTADIENE AND HYDROGEN, WITH OR WITHOUT CARBON DIOXIDE AND WITH OR WITHOUT STEAM; C) FEEDING THE GAS STREAM B AND AN OXYGENOUS GAS HAVING AN OXYGEN CONTENT OF AT LEAST 75% BY VOLUME INTO AT LEAST ONE SECOND DEHYDROGENATION ZONE AND OXIDATIVELY DEHYDROGENATING I-BUTENE AND 2-BUTENE TO OBTAIN A GAS STREAM C COMPRISING N-BUTANE, BUTADIENE, HYDROGEN, CARBON DIOXIDE AND STEAM, D) COMPRESSING IN AT LEAST ONE FIRST COMPRESSION STAGE AND COOLING THE GAS STREAM C TO OBTAIN AT LEAST ONE CONDENSATE STREAM D1 COMPRISING WATER AND A GAS STREAM D2 COMPRISING N-BUTANE, BUTADIENE; HYDROGEN, CARBON DIOXIDE AND STEAM, E) COMPRESSING IN AT LEAST ONE FURTHER COMPRESSION STAGE AND COOLING THE GAS STREAM D2 TO OBTAIN AT LEAST ONE CONDENSATE STREAM E1 COMPRISING N-BUTANE, BUTADIENE AND WATER, AND A GAS STREAM E2 COMPRISING N-BUTANE, BUTADIENE, HYDROGEN AND CARBON DIOXIDE, F) COOLING THE GAS STREAM E2 TO OBTAIN A CONDENSATE STREAM F1 COMPRISING N-BUTANE AND BUTADIENE, AND AN OFFGAS STREAM F2 COMPRISING CARBON DIOXIDE AND HYDROGEN, G) REMOVING WATER FROM THE AT LEAST ONE CONDENSATE STREAM EL AND, IF APPROPRIATE, FROM THE CONDENSATE STREAM FL BY PHASE SEPARATION TO OBTAIN AT LEAST ONE C4 HYDROCARBON STREAM G1 COMPRISING N-BUTANE AND BUTADIENE, AND AT LEAST ONE WASTEWATER STREAM G2, H) SEPARATING THE C4 HYDROCARBON STREAM GI INTO A RECYCLE STREAM HI COMPRISING N-BUTANE AND A PRODUCT STREAM H2 CONSISTING SUBSTANTIALLY OF BUTADIENE, AND RECYCLING THE STREAM HI INTO THE FLFST DEHYDROGENATION ZONE.