METHOD FOR PRODUCING BUTADIENE FROM N-BUTANE

    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

    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

    METHOD FOR THE PRODUCTION OF 1, 2-DICHLOROETHANE

    公开(公告)号:MY129186A

    公开(公告)日:2007-03-30

    申请号:MYPI20024341

    申请日:2002-11-20

    Applicant: BASF AG

    Abstract: A PROCESS FOR PREPARING 1, 2-DICHLOROETHANE WHICH COMPRISES (A) FEEDING AN ETHANE-CONTAINING FEED GAS STREAM (1) INTO A DEHYDROGENATION ZONE AND DEHYDROGENATING ETHANE TO ETHENE TO GIVE A PRODUCT GAS STREAM (9) COMPRISING ETHANE, ETHENE AND SECONDARY CONSTITUENTS, (B)FEEDING THE ETHANE- AND ETHENE-CONTAINING DEHYDROGENATION PRODUCT GAS STREAM (9) AS A SINGLE STREAM OR A PLURALITY OF SUBSTREAMS, OPTIONALLY AFTER HAVING SEPARATED OFF SECONDARY CONSTITUENTS, INTO ONE OR MORE CHLORINATION ZONES, CHLORINATING ETHENE TO 1, 2-DICHLOROETHANE TO GIVE ONE OR MORE PRODUCT GAS STREAMS (9) COMPRISING 1, 2-DICHLOROETHANE, ETHANE AND POSSIBLY FURTHER SECONDARY CONSTITUENTS, ISOLATING 1, 2-DICHLOROETHANE AND ONE OR MORE ETHANE-CONTAINING CIRCULATING GAS STREAMS (11) AND RECIRCULATING THE ETHANE-CONTAINING CIRCULATING GAS STREAM OR STREAMS TO THE ETHANE DEHYDROGENATION.(FIGURE 1)

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