REGENERATION OF A DEHYDROGENATION CATALYST
    1.
    发明申请
    REGENERATION OF A DEHYDROGENATION CATALYST 审中-公开
    脱水催化剂的再生

    公开(公告)号:WO0245852A2

    公开(公告)日:2002-06-13

    申请号:PCT/EP0114094

    申请日:2001-12-03

    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.

    Abstract translation: ; a)在0.5至2.0巴的压力和1000〜50000个ħ<-1>的气体空间速度用惰性气体冲洗:(F) - 一种再生含有(a)中的步骤的脱氢催化剂处理 b)使一种含氧气体混合物,其包含一种惰性气体以2 20巴的压力和1000的气体空间速度50000个ħ<-1>一段从0.25至24小时,以在解氧浓度分步或连续增加 初始值为0.01至1体积%的O 2至最终值为10至25体积%的O 2; 任选地使含氧气体混合物,其包含一种惰性气体以0.5:1的压力至20巴和10至500ħ<-1>一段从0.25〜100小时的气体空间速度,其中,所述氧浓度为10〜25体积 %O2是; d)在0.5至20巴范围内任选地重复快速反向压力变化2至20倍; e)用惰性气体冲洗; f)用氢气活化催化剂; 其中执行步骤(c)或(d)中的至少一个并且整个再生过程在300至800℃的温度下进行

    СПОСОБ РЕГЕНЕРИРОВАНИЯ КАТАЛИЗАТОРОВ ДЕГИДРИРОВАНИЯ

    公开(公告)号:EA006040B1

    公开(公告)日:2005-08-25

    申请号:EA200300635

    申请日:2001-12-03

    Applicant: BASF AG

    Abstract: Способрегенерированиякатализаторадегидрирования, включающийстадии (а) до (ж):(а) промывкаинертнымгазомпридавленииот 0,5 до 2,0 бари скоростиподачигазаот 1000 до 50000 ч;(б) пропусканиекислородсодержащейгазовойсмеси, содержащейинертныйгаз, придавленииот 2 до 20 бари скоростиподачигазаот 1000 до 50000 чвтечениеот 0,25 до 24 чприступенчатомилинепрерывномповышенииконцентрациикислородаотначальногозначенияот 0,01 до 1 об.% Одоконечногозначенияот 10 до 25 об.% О;(в) вслучаенеобходимости, пропусканиекислородсодержащейгазовойсмеси, содержащейинертныйгаз, придавленииот 0,5 до 20 бари прискоростиподачигазаот 10 до 500 чвтечениеот 0,25 до 100 ч, причемконцентрациякислородасоставляетот 10 до 25 об.% О;(г) вслучаенеобходимости, повторноебыстроепротивоположноеизменениедавлениянафакторот 2 до 20 впределахот 0,5 до 20 бар;(д) промывкаинертнымгазом;(ж) активированиекатализатораводородом;приэтомпроводятпоменьшеймереоднуизстадий (в) или (г) ивесьспособрегенерированияосуществляютпритемпературеот 300 до 800°С.

    Regeneration of a dehydrogenation catalyst

    公开(公告)号:AU3453602A

    公开(公告)日:2002-06-18

    申请号:AU3453602

    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.

    5.
    发明专利
    未知

    公开(公告)号:NO20032501L

    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.

    REGENERATION OF A DEHYDROGENATION CATALYST

    公开(公告)号:CA2430294A1

    公开(公告)日:2002-06-13

    申请号:CA2430294

    申请日:2001-12-03

    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-1; (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-1, 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-1 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 iner t 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 ~C.

    REGENERATION OF A DEHYDROGENATION CATALYST

    公开(公告)号:CA2430294C

    公开(公告)日:2009-07-28

    申请号:CA2430294

    申请日:2001-12-03

    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-1; (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-1, 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-1 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 iner t 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 ~C.

    8.
    发明专利
    未知

    公开(公告)号:NO326855B1

    公开(公告)日:2009-03-02

    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.

    Regeneration of a dehydrogenation catalyst

    公开(公告)号:AU2002234536B2

    公开(公告)日:2006-12-14

    申请号:AU2002234536

    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.

    REGENERATION OF A DEHYDROGENATION CATALYST

    公开(公告)号:MY129153A

    公开(公告)日:2007-03-30

    申请号:MYPI20015362

    申请日:2001-11-23

    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 MPA (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 0.2 TO 2 MPA (2 TO 20 BAR) AND A GAS HOURLY VELOCITY OF FROM 1000 TO 50 000H-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 O2 TO A FINAL VALUE OF FROM 10 25% BY VOLUME OF O2;(C) OPTIONALLY PASSING AN OXYGEN-CONTAINING GAS MIXTURE COMPRISING AN INERT GAS THROUGH THE CATALYST AT A PRESSURE OF FROM 0.5 TO 2 MPA (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 255 BY VOLUME OF O2; (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 2 MPA ( 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.

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