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    132.
    发明专利
    未知

    公开(公告)号：BRPI0607566A2

    公开(公告)日：2010-04-06

    申请号：BRPI0607566

    申请日：2006-03-01

    Applicant: BASF AG

    Inventor： DIETERLE MARTIN ,  MUELLER-ENGEL KLAUS JOACHIM ,  PETZOLDT JOCHEN ,  HAMMON ULRICH

    IPC: C07C57/05

    Abstract: Disclosed is a method for producing an organic target compound by carrying out a heterogeneously catalyzed partial gas phase oxidation of an organic precursor compound with molecular oxygen in two oxidation reactor paths that are operated in parallel, and eliminating the target compound from the mixture of the product gas flows in a reprocessing path. The catalyst fed to one of the oxidation paths contains a partial amount of catalyst on which the heterogeneously catalyzed partial gas phase oxidation has been carried out longer than on the partial amounts of catalyst fed to the other oxidation reactor path.

    Mixing a liquid or suspension beneath a gas space in a closed container comprises supplying a stream of the liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space
    133.
    发明专利
    Mixing a liquid or suspension beneath a gas space in a closed container comprises supplying a stream of the liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space 未知

    公开(公告)号：DE102006045088A1

    公开(公告)日：2008-03-27

    申请号：DE102006045088

    申请日：2006-09-21

    Applicant: BASF AG

    Inventor： BLECHSCHMITT MICHAEL ,  HAMMON ULRICH ,  MARTIN FRIEDRICH-GEORG ,  MUELLER-ENGEL KLAUS JOACHIM ,  ZEHNER PETER

    IPC: B01F33/40 ,  C07B63/04 ,  C07C57/07 ,  C07C67/62

    Abstract: Mixing a liquid or suspension beneath a gas space in a closed container comprises supplying a stream of the liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space and discharges the gas together with the drive jet into the liquid or suspension in the container. Independent claims are also included for: (1) container comprising a liquid or suspension beneath a gas space and an ejector with a drive nozzle and a suction chamber in communication with the gas space; (2) container comprising a liquid or suspension beneath a gas space and an ejector jet nozzle having a drive nozzle surrounded by a suction chamber discharging into a mixing nozzle and an impulse exchange chamber into which the outlet of the mixing nozzle is directed, and a connection between the suction chamber and the gas space; (3) ejector jet nozzle having a drive nozzle surrounded by a suction chamber discharging into a mixing nozzle and an impulse exchange chamber into which the outlet of the mixing nozzle is directed, where the transition between the mixing nozzle and the impulse exchange chamber is provided with a jacket fitted with a dip pipe or a connector for a dip pipe; (4) mixing a liquid or suspension beneath a gas space in a closed container by supplying a stream of another liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space and discharges the gas together with the drive jet into the liquid or suspension in the container.

    Heterogeneously catalyzed gas phase partial oxidation of organic compound in fixed catalyst bed involves recovering quality of catalyst bed by replacing its portion, with a catalyst having activity lower than that of the replaced catalyst
    135.
    发明专利
    Heterogeneously catalyzed gas phase partial oxidation of organic compound in fixed catalyst bed involves recovering quality of catalyst bed by replacing its portion, with a catalyst having activity lower than that of the replaced catalyst 未知

    公开(公告)号：DE102006000996A1

    公开(公告)日：2007-07-12

    申请号：DE102006000996

    申请日：2006-01-05

    Applicant: BASF AG

    Inventor： CREMER ULRICH ,  WEGERLE ULRIKE ,  LAQUA GERHARD ,  HAMMON ULRICH ,  MUELLER-ENGEL KLAUS JOACHIM

    IPC: C07B41/08 ,  B01J8/02

    Abstract: Heterogeneously catalyzed gas phase partial oxidation of organic compound with oxygen over fixed catalyst bed involves: recovering quality of the fixed catalyst bed by not replacing entire fixed catalyst bed but only its portion by a replacement fixed catalyst bed part; when increasing operating time is accompanied by increasing reduction in quality of the fixed catalyst bed, such that volume-specific activity of the replacement fixed catalyst bed part is lower than volume-specific activity of replaced fixed catalyst bed part in its freshly installed state. Method for heterogeneously catalyzed gas phase partial oxidation of at least one organic starting compound with molecular oxygen over a fixed catalyst bed freshly installed into a reaction chamber, involving conducting a reaction gas mixture comprising the at least one organic starting compound and the molecular oxygen through the fixed catalyst bed, for partial oxidation; and removing the heat of reaction by indirect heat exchange with a fluid heat carrier conducted outside the reaction chamber, involves: recovering the quality of the fixed catalyst bed by not replacing the entire fixed catalyst bed but only its portion by a replacement fixed catalyst bed part; when increasing operating time is accompanied by an increasing reduction in the quality of the fixed catalyst bed, such that the volume-specific activity of the replacement fixed catalyst bed part is lower than the volume-specific activity of the replaced fixed catalyst bed part in its freshly installed state.

    Zpusob zneškodnování sekundárních složek, vzniklých pri výrobe kyseliny (meth)akrylové
    136.
    发明专利
    Zpusob zneškodnování sekundárních složek, vzniklých pri výrobe kyseliny (meth)akrylové 未知

    公开(公告)号：CZ298032B6

    公开(公告)日：2007-05-30

    申请号：CZ422198

    申请日：1997-06-19

    Applicant: BASF AG

    Inventor： SCHLIEPHAKE VOLKER ,  HAMMON ULRICH ,  PIES WOLFGANG ,  RAUTH ULRICH

    IPC: C07C57/04 ,  F23G7/06 ,  C07C51/42 ,  C07C57/07 ,  F23D17/00 ,  F23G5/00 ,  F23G7/04

    Abstract: Zpusob zneškodnování sekundárních složek, vzniklých pri výrobe kyseliny (meth)akrylové, pri kterém se plynné nízkovroucí sekundární složky (i) spalují, a nízkovroucí nebo strednevroucí sekundární složky (ii), které jsou rozpušteny ve vode, se zavádejí do fáze zahrnující spalování uvedených sekundárních složek (i), pricemž uvedené nízkovroucí sekundární složky (i) mají nižší teplotu varu než kyselina (meth)akrylová a strednevroucí sekundární složky (ii) mají približne stejnou teplotu varu, jako kyselina (meth)akrylová. Pri tomto postupu nízkovroucí nebo strednevroucí sekundární složky, které jsou rozpušteny ve vode, se zavádejí do fáze zahrnující spalování uvedených sekundárních složek (i) spolecne s výševroucími sekundárními složkami (iii), které byly zpracovány rozpouštedlem s nízkou viskozitou, pricemž tyto vysokovroucí sekundrání složky mají vyšší teplotu varu než kyselina (meth)akrylová.

    138.
    发明专利
    未知

    公开(公告)号：AT335718T

    公开(公告)日：2006-09-15

    申请号：AT03808708

    申请日：2003-10-06

    Applicant: BASF AG

    Inventor： THIEL JOACHIM ,  HAMMON ULRICH ,  BAUMANN DIETER ,  HEILEK JOERG ,  SCHROEDER JUERGEN ,  MUELLER-ENGEL KLAUS JOACHIM

    IPC: C07C51/44 ,  C07C57/04

    Abstract: In a process for preparing acrylic acid, an acrylic acid-containing product gas mixture obtained by catalytic gas phase partial oxidation of a C 3 precursor of acrylic acid, after direct cooling with a quench liquid, is fractionally condensed in a separating column provided with internals, rising into itself with sidestream takeoff of crude acrylic acid, and the acrylic acid oligomers which form are dissociated and the resulting dissociation gas is subjected to a countercurrent rectification before it is recycled.

    Preparation of acrolein or acrylic acid involves conducting starting reaction gas mixture having propylene and molecular oxygen reactants and inert molecular nitrogen and propane diluent gasses through fixed catalyst bed
    139.
    发明专利
    Preparation of acrolein or acrylic acid involves conducting starting reaction gas mixture having propylene and molecular oxygen reactants and inert molecular nitrogen and propane diluent gasses through fixed catalyst bed 未知

    公开(公告)号：DE102005010111A1

    公开(公告)日：2006-09-07

    申请号：DE102005010111

    申请日：2005-03-02

    Applicant: BASF AG

    Inventor： DIETERLE MARTIN ,  MUELLER-ENGEL KLAUS JOACHIM ,  HECHLER CLAUS ,  HAMMON ULRICH ,  DIEFENBACHER ARMIN

    IPC: C07C57/05 ,  C07C57/07 ,  C08F20/06 ,  C08F291/00

    Abstract: Acrolein or acrylic acid is prepared by catalyzing partial gas phase oxidation of propene, where a starting reaction gas mixture having propylene and molecular oxygen reactants and inert molecular nitrogen and propane diluent gasses is conducted at elevated temperature through a fixed catalyst bed whose active composition is a multimetal oxide having molybdenum, iron and bismuth. Preparation of acrolein or acrylic acid involves catalyzing partial gas phase oxidation of propene, where a starting reaction gas mixture having propylene and molecular oxygen reactants and the inert molecular nitrogen and propane diluent gasses and having the molecular oxygen and the propylene in a molar oxygen;C 3H 6 ratio of >=1 is conducted at elevated temperature through a fixed catalyst bed whose active composition is a multimetal oxide having molybdenum, iron and bismuth based on its total volume of 6-9 vol.% propylene, 8-18 vol.% molecular oxygen. 6-30 vol.% propane and 32-72 vol.% molecular nitrogen. The molar ratio V 1 of propane in starting reaction gas mixture to propylene in starting reaction gas mixture is 1-4. The molar V 2 of molecular nitrogen present in starting reaction gas mixture to molecular oxygen in starting reaction the mixture is 2-6, and the molar ratio of the molecular oxygen in starting reaction gas mixture to propylene in starting reaction mixture is 1.3-2.4.

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