Reactor, for partial oxidation of fluid reaction mixture in presence of heterogeneous particulate catalyst, comprises square heat transfer sheet modules, sleeve, and sealing elements

    公开(公告)号:DE102004017151A1

    公开(公告)日:2005-10-27

    申请号:DE102004017151

    申请日:2004-04-07

    Applicant: BASF AG

    Abstract: Reactor comprises square heat transfer sheet modules which form a slit which can be filled with a heterogeneous particulate catalyst and through which the reaction mixture flows, a sleeve which depressurizes the heat transfer sheet modules and fully surrounds the modules, and sealing elements. The fluid reaction mixture flows only through the slit, except through the reaction interior spaces. Reactor comprises square heat transfer sheet modules (1) comprising two or more right-angled heat transfer sheets (2) parallel to each other, to form a slit (3) which can be filled with a heterogeneous particulate catalyst and through which the reaction mixture flows, a sleeve which depressurizes the heat transfer sheet modules and fully surrounds the modules, and sealing elements (7) arranged so that the fluid reaction mixture flows only through the slit, except through the reaction interior spaces, defined by the caps. The sleeve comprises a cylinder casing (4) and caps (15, 16) to close the casing at both ends.

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    公开(公告)号:DE19955168A1

    公开(公告)日:2001-05-17

    申请号:DE19955168

    申请日:1999-11-16

    Applicant: BASF AG

    Abstract: The invention relates to a method for carrying out the two-stage catalytic gas phase oxidation of propene to form acrylic acid. The inventive method provides that, in a multitube fixed-bed reactor, the reaction gas starting mixture having a propene load >/= 160 Nl propene / l.h is firstly conducted over a fixed-bed catalyst feed material (1), which is located in two successive temperature zones A, B, and afterwards, is conducted over a fixed-bed catalyst feed material (2), which is accommodated either in another temperature zone C or in two additional temperature zones D, E. The temperature of zone A is maintained at a lower temperature than that of zone B, and the temperature of zone D is maintained at a lower temperature than that of zone E.

    REACTOR FOR PARTIAL OXIDATION WITH HEAT-TRANSFER SHEET MODULES

    公开(公告)号:CA2532646C

    公开(公告)日:2012-09-11

    申请号:CA2532646

    申请日:2004-07-21

    Applicant: BASF AG

    Abstract: The invention relates to a reactor for partial oxidation of a fluid reaction mixture in the presence of a heterogeneous particulate catalyst. Said reactor comprises one or several cuboid heat-transfer sheet modules (1) which are each composed of two or several right-angled heat-transfer sheets (2), arranged parallel to each other such as to form a slit (3) which can be filled with the heterogeneous particulate catalyst and through which the fluid reaction mixture flows, the heat of reaction being absorbed by a heat carrier which flows through the heat-transfer sheets (2) and at least partially evaporates. Said reactor also comprises a mainly cylindrical envelope (4, 15, 16) which depressurizes the heat-transfer sheet modules and fully surrounds said modules, said envelope being composed of a cylinder casing (4) and of caps (15, 16), closing said casing at both ends, the longitudinal axis of which extends parallel to the plane of said heat-transfer sheets (2). Said reactor finally comprises one or several sealing elements (7, 23), arranged so that the fluid reaction mixture flows only through the slit (3), except through the reactor interior spaces, defined by the caps (15, 16).

    СПОСОБ ПОЛУЧЕНИЯ АКРОЛЕИНА, ИЛИ АКРИЛОВОЙ КИСЛОТЫ, ИЛИ ИХ СМЕСИ ИЗ ПРОПАНА

    公开(公告)号:RU2391330C9

    公开(公告)日:2011-05-10

    申请号:RU2007103607

    申请日:2005-05-17

    Applicant: BASF AG

    Abstract: Изобретениеотноситсяк усовершенствованномуспособуполученияакролеина, акриловойкислотыилиихсмесиизпропана. ВсоответствиисоспособомА) впервуюреакционнуюзонуА вводятпоменьшеймередвасодержащихпропангазообразныхпитающихпотока, поменьшеймереодинизкоторыхсодержитсвежийпропан, ивведенныйв этуреакционнуюзонупропанподвергаютгетерогеннокатализируемомудегидрированиюсостационарнымслоемкатализатора, получаясодержащуюпропани пропиленгазообразнуюсмесьпродуктовА, В, которуювыводятизреакционнойзоныА, впервойзонеразделенияА выделяютизнеепоменьшеймеречастьсодержащихсяв нейкомпонентов, отличающихсяотпропанаи пропилена, аостающуюсяприэтомгазообразнуюсмесьпродуктовА′, содержащуюпропани пропилен, С) используютвовторойреакционнойзонеВ дляпитанияпоменьшеймереодногореактораокисления, ипропилен, содержащийсяв газообразнойсмесипродуктовА′, поменьшеймерев одномреактореокисленияподвергаютгетерогеннокатализируемомудвухступенчатомугазофазномучастичномуокислениюмолекулярнымкислородомв акриловуюкислотуилисмесьакролеинаи акриловойкислоты, вкачествецелевогопродукта, атакжев содержащуюизбытокмолекулярногокислородагазообразнуюсмесьпродуктовВ, D), которуювыводятизреакционнойзоныВ, вовторойзонеразделенияВ выделяютсодержащийсяв нейцелевойпродуктметодомабсорбцииилифракционирующейконденсации, ипоменьшеймеречастьостающегосяпослеэтогоостаточногогаза, содержащегонепревращенныйпропан, молекулярныйкислород, атакжепринеобходимостинепревращенныйпропилен, рециркулируютв реакци

    PREPARATION OF ACROLEIN OR ACRYLIC ACID OR A MIXTURE THEREOF FROM PROPANE

    公开(公告)号:MY140316A

    公开(公告)日:2009-12-31

    申请号:MYPI20052282

    申请日:2005-05-19

    Applicant: BASF AG

    Abstract: A PROCESS FOR PREPARING ACROLEIN OR ACRYLIC ACID OR A MIXTURE THEREOF FROM PROPANE, IN WHICH THE PROPANE IS INITIALLY DEHYDROGENATED UNDER HETEROGENEOUS CATALYSIS TO GIVE PROPENE, SECONDARY COMPONENTS ARE REMOVED AND THE REMAINING GAS MIXTURE, COMPRISING PROPANE AND PROPENE, IS SUBJECTED TO THE HETEROGENEOUSLY CATALYZED PARTIAL OXIDATION TO ACROLEIN OR ACRYLIC ACID OR A MIXTURE THEREOF AS THE TARGET PRODUCT, TARGET PRODUCT IS REMOVED FROM THE PRODUCT GAS MIXTURE AND THE REMAINING RESIDUAL GAS, COMPRISING EXCESS OXYGEN AND UNCONVERTED PROPANE, IS RECYCLED INTO THE PROPANE DEHYDROGENATION IN SUCH A WAY THAT THE OTHER PROPANE FED TO THE DEHYDROGENATION IS AT LEAST PARTLY CONVERTED UNDER DEHYDROGENATING CONDITIONS AT THE RECYCLE POINT.

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