СПОСОБ ДЕГИДРИРОВАНИЯ УГЛЕВОДОРОДОВ

    公开(公告)号:EA004599B1

    公开(公告)日:2004-06-24

    申请号:EA200300404

    申请日:2001-09-14

    Applicant: BASF AG

    Abstract: Изобретениекасаетсяспособагетерогеннокатализируемогодегидрированияв однойилинесколькихреакционныхзонаходногоилинесколькихподвергаемыхдегидрированиюуглеводородовС-Свреакционнойсмеси, содержащейпоследние, причемпоменьшеймеречастьнеобходимогодлядегидрированиятепланеменеечемв однойреакционнойзонеполучаетсязасчетсгоранияводорода, углеводорода(ов) и/илиуглеродав присутствиисодержащегокислородгазанепосредственнов реакционнойгазовойсмеси, причемгазоваяреакционнаясмесь, котораясодержитдегидрируемыйуглеводородилидегидрируемыеуглеводороды, контактируетс катализаторомдегидрирования - кислотыЛьюиса, которыйв основномнепроявляеткислотностипоБренстеду.

    26.
    发明专利
    未知

    公开(公告)号:BR0115854A

    公开(公告)日:2004-01-20

    申请号:BR0115854

    申请日:2001-12-03

    Applicant: BASF AG

    Abstract: A process for regenerating a dehydrogenation catalyst comprises the steps (a)-(f): (a) flushing with inert gas at a pressure of from 0.5 to 2.0 bar and a gas hourly velocity of from 1000 to 50 000 h -1 ; (b) passing an oxygen-containing gas mixture comprising an inert gas through the catalyst at a pressure of from 2 to 20 bar and a gas hourly velocity of from 1000 to 50 000 h -1 for from 0.25 to 24 hours while increasing the oxygen concentration stepwise or continuously from an initial value of from 0.01 to 1% by volume of O 2 to a final value of from 10 to 25% by volume of O 2 ; (c) optionally passing an oxygen-containing gas mixture comprising an inert gas through the catalyst at a pressure of from 0.5 to 20 bar and a gas hourly velocity of from 10 to 500 h -1 for from 0.25 to 100 h, with the oxygen concentration being from 10 to 25% by volume of O 2 ; (d) optionally changing the pressure repeatedly, rapidly and in opposite directions by a factor of from 2 to 20 within the range from 0.5 to 20 bar; (e) flushing with an inert gas; (f) activating the catalyst by means of hydrogen; where at least one of the steps (c) or (d) is carried out and the entire regeneration process is carried out at from 300 to 800° C.

    28.
    发明专利
    未知

    公开(公告)号:DE10159615A1

    公开(公告)日:2003-06-12

    申请号:DE10159615

    申请日:2001-12-05

    Applicant: BASF AG

    Abstract: The invention relates to a method for the production of 1,2-dichloroethane, comprising the following steps: (A) feeding a feed gas flow containing an ethane into a dehydrogenation zone; dehydrogenating the ethane into ethene while obtaining a product gas flow containing ethane, ethene and minor constituents; (B) feeding the dehydrogenated product gas flow containing the ethane and ethene into a flow or several partial flows, optionally after separating the minor constituents, in one or more chlorination zones; chlorinating ethene into 1,2-dichloroethane while obtaining one or more product gas flows containing 1,2-dichloroethane, ethane and optionally other minor; obtaining 1,2-dichloroethane and one or more circuit gas flows containing ethane and recirculating the circuit gas flow(s) containing ethane to the ethane dehydrogenation.

    29.
    发明专利
    未知

    公开(公告)号:NO20032501D0

    公开(公告)日:2003-06-03

    申请号:NO20032501

    申请日:2003-06-03

    Applicant: BASF AG

    Abstract: A process for regenerating a dehydrogenation catalyst comprises the steps (a)-(f): (a) flushing with inert gas at a pressure of from 0.5 to 2.0 bar and a gas hourly velocity of from 1000 to 50 000 h -1 ; (b) passing an oxygen-containing gas mixture comprising an inert gas through the catalyst at a pressure of from 2 to 20 bar and a gas hourly velocity of from 1000 to 50 000 h -1 for from 0.25 to 24 hours while increasing the oxygen concentration stepwise or continuously from an initial value of from 0.01 to 1% by volume of O 2 to a final value of from 10 to 25% by volume of O 2 ; (c) optionally passing an oxygen-containing gas mixture comprising an inert gas through the catalyst at a pressure of from 0.5 to 20 bar and a gas hourly velocity of from 10 to 500 h -1 for from 0.25 to 100 h, with the oxygen concentration being from 10 to 25% by volume of O 2 ; (d) optionally changing the pressure repeatedly, rapidly and in opposite directions by a factor of from 2 to 20 within the range from 0.5 to 20 bar; (e) flushing with an inert gas; (f) activating the catalyst by means of hydrogen; where at least one of the steps (c) or (d) is carried out and the entire regeneration process is carried out at from 300 to 800° C.

    30.
    发明专利
    未知

    公开(公告)号:DE10060099A1

    公开(公告)日:2002-06-06

    申请号:DE10060099

    申请日:2000-12-04

    Applicant: BASF AG

    Abstract: The invention relates to a method for the regeneration of a dehydrogenation catalyst, comprising the steps (a)-(f): (a) flushing with inert gas at a pressure of 0.5 to 2.0 bar and a gas loading of 1 000 to 50 000 h ; (b) passage of an oxygen-containing gas mixture, containing an inert gas, at a pressure of 2 to 20 bar and a gas loading of 1,000 to 50,000 h , over a period of 0.25 to 24 h with sequential or continuous increase of the oxygen concentration from an initial value of 0.01 to 1 vol. % O2 to a final value of 10 to 25 vol. % O2; (c) optional passage of an oxygen-containing gas mixture, containing an inert gas, at a pressure of 0.5 to 20 bar and a gas loading of 10 to 500h over a period of 0.25 to 100 h with an oxygen concentration of 10 to 25 vol. % O2; (d) optional repeated rapid cyclical pressure changes of a factor of 2 to 20, within the range 0.5 to 20 bar; (e) flushing with an inert gas; (f) activation of the catalyst with hydrogen, whereby at least one of steps (c) or (d) is carried out and the whole regeneration process occurs at a temperature of between 300 and 800 DEG C.

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