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公开(公告)号:AU2019359988A1
公开(公告)日:2021-04-29
申请号:AU2019359988
申请日:2019-10-17
Applicant: BASF SE
Inventor: EL-TOUFAILI FAISSAL-ALI , LOESCH DENNIS , SCHMIDT ANNA-CORINA , ZIMMERMANN TOBIAS JOACHIM , OSTERMAYR MARKUS , TINSLEY JACK F , BUSBY BRENT
IPC: C08F20/56 , C08F2/01 , C08F220/56 , C12P13/02 , E21B7/00
Abstract: Process for producing aqueous polyacrylamide concentrates by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel, comminuting said aqueous polyacrylamide gel and mixing it with an aqueous liquid, wherein the manufacturing steps areallocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide concentrate hold in a suitable transport unit from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide, wherein the units of the plant are located at two different locations A and B.
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公开(公告)号:CL2020001102A1
公开(公告)日:2020-08-28
申请号:CL2020001102
申请日:2020-04-24
Applicant: BASF SE
Inventor: EL-TOUFAILI FAISSAL-ALI , LOESCH DENNIS , MECKELNBURG DIRK , OSTERMAYR MARKUS , SPRAFKE HAZEL , ZIMMERMANN TOBIAS JOACHIM
Abstract: UN PROCESO PARA PRODUCIR SOLUCIONES ACUOSAS DE POLIACRILAMIDA MEDIANTE POLIMERIZACIÓN DE UNA SOLUCIÓN ACUOSA QUE COMPRENDE AL MENOS ACRILAMIDA, PARA OBTENER UN GEL ACUOSO DE POLIACRILAMIDA, Y MEDIANTE DISOLUCIÓN DE DICHO GEL ACUOSO DE POLIACRILAMIDA EN AGUA, EN DONDE LAS ETAPAS DE ELABORACIÓN SE DISTRIBUYEN EN DOS UBICACIONES DIFERENTES A Y B, Y EL PROCESO COMPRENDE LA ETAPA DE TRANSPORTAR UN GEL ACUOSO DE POLIACRILAMIDA MANTENIDO EN UNA UNIDAD DE POLIMERIZACIÓN TRANSPORTABLE DE UNA UBICACIÓN A A UNA UBICACIÓN B. UNA PLANTA MODULAR Y REUBICABLE PARA ELABORAR SOLUCIONES ACUOSAS DE POLIACRILAMIDA EN DONDE LAS UNIDADES DE LA PLANTA SE DISTRIBUYEN EN DOS UBICACIONES DIFERENTES A Y B.
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公开(公告)号:ZA201807808B
公开(公告)日:2020-08-26
申请号:ZA201807808
申请日:2018-11-20
Applicant: BASF SE
Inventor: JECK SANDRA , SOETJE OLIVER , BRINGMANN TOBIAS , FONSECA ZEPEDA GABRIELA EUGENIA , MECKELNBURG DIRK , LOESCH DENNIS , LANGLOTZ BJÖRN , BARRATT JOHN , EL-TOUFAILI FAISSAL-ALI , SPRAFKE HAZEL , SCHUBE BERND , OSTERMAYR MARKUS
Abstract: A process for producing an aqueous polymer solution, including: (a) providing a hydrated polymer that has been prepared by aqueous solution polymerisation of ethylenically unsaturated monomers, which hydrated polymer contains at least 10% by weight active polymer; (b) cutting the hydrated polymer by subjecting the hydrated polymer to at least one cutting stage containing at least one stream of aqueous liquid at a pressure of at least 150 bar to reduce the size of the hydrated polymer; and (c) dissolving the hydrated polymer in an aqueous liquid so as to obtain an aqueous polymer solution. An apparatus for producing an aqueous polymer solution.
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公开(公告)号:CA3113155A1
公开(公告)日:2020-04-23
申请号:CA3113155
申请日:2019-10-17
Applicant: BASF SE
Inventor: EL-TOUFAILI FAISSAL-ALI , LOESCH DENNIS , SCHMIDT ANNA-CORINA , ZIMMERMANN TOBIAS JOACHIM , OSTERMAYR MARKUS , TINSLEY JACK F , BUSBY BRENT
IPC: C08F20/56 , C08F2/01 , C08F220/56 , C12P13/02 , E21B7/00
Abstract: Process for producing aqueous polyacrylamide concentrates by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel, comminuting said aqueous polyacrylamide gel and mixing it with an aqueous liquid, wherein the manufacturing steps areallocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide concentrate hold in a suitable transport unit from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide, wherein the units of the plant are located at two different locations A and B.
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公开(公告)号:CA3112417A1
公开(公告)日:2020-04-23
申请号:CA3112417
申请日:2019-10-17
Applicant: BASF SE
Inventor: EL-TOUFAILI FAISSAL-ALI , LOESCH DENNIS , SCHMIDT ANNA-CORINA , ZIMMERMANN TOBIAS JOACHIM , OSTERMAYR MARKUS , TINSLEY JACK , BUSBY BRENT , BARRERA-MEDRANO DANIEL
Abstract: Process of providing polyacrylamides to a site-of-use comprising at least the steps of mixing a polyacrylamide powder at a manufacturing site with an aqueous liquid, thereby obtaining a homogeneous aqueous polyacrylamide concentrate, transporting said concentrate in a transport unit from the manufacturing site to the site-of-use, and removing the homogeneous aqueous concentrate from the transport unit at the site-of-use. Process of treating subterranean, oil and/or gas bearing formations by injecting an aqueous treatment fluid into at least one wellbore, wherein the aqueous treatment fluid is manufactured by mixing at least an aqueous base fluid with said homogeneous aqueous polyacrylamide concentrate at the site-of-use.
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公开(公告)号:CA3022178A1
公开(公告)日:2017-11-02
申请号:CA3022178
申请日:2017-04-25
Applicant: BASF SE
Inventor: SPRAFKE HAZEL , EL-TOUFAILI FAISSAL-ALI , LANGLOTZ BJOERN , BARRATT JOHN , BRINGMANN TOBIAS , FONSECA ZEPEDA GABRIELA EUGENIA , JECK SANDRA , LOESCH DENNIS , MECKELNBURG DIRK , OSTERMAYR MARKUS , SCHUBE BERND , SOETJE OLIVER
IPC: C08F20/56
Abstract: A method for preparing an aqueous polyacrylamide solution is disclosed. The method comprises: - hydrating acrylonitrile in water in presence of a biocatalyst capable of converting acrylonitrile to acrylamide so as to obtain an acrylamide solution, - directly polymerizing the acrylamide solution so as to obtain a polyacrylamide gel, and - directly dissolving the polyacrylamide gel by addition of water so as to obtain an aqueous polyacrylamide solution, wherein the polyacrylamide gel is dissolved by means of water jet cutting.
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公开(公告)号:BRPI0714450A2
公开(公告)日:2013-03-12
申请号:BRPI0714450
申请日:2007-07-09
Applicant: BASF SE
Inventor: STUEVEN UWE , WEISMANTEL MATTHIAS , HEIDE WILFRIED , KRUEGER MARCO , SEIDL VOLKER , BLEI STEFAN , LOESCH DENNIS , FUNK RUEDIGER , HILLEBRECHT ANNEMARIE
Abstract: A process for preparing postcrosslinked water-absorbing polymer beads with high absorption by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the solids content of the monomer solution is at least 35% by weight and the polymer beads have a mean diameter of at least 150 μm.
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公开(公告)号:CA2814729A1
公开(公告)日:2012-06-07
申请号:CA2814729
申请日:2011-11-29
Inventor: DOMKE IMME , ROHDE WOLFGANG , RIEGER REINHOLD , MICHAILOVSKI ALEXEJ , LOESCH DENNIS , DEUERLEIN STEPHAN , SHISHKOV IGOR , BLACKWOOD DAVID F , JUNICKE HENRIK , BOZICH FRANK
IPC: B03C1/01
Abstract: The present invention relates to a process for the separation of at least one metal from a slag, comprising that at least one metal and further components, comprising at least step (A) grinding the slag, (B) if appropriate, contacting the ground slag of step (A) with at least one surface-active substance and/or at least one magnetic particle, if appropriate in the presence of at least one dispersant, resulting in formation of agglomerates of the at least one metal and the at least one magnetic particle, (C) if appropriate, addition of at least one dispersant to the mixture obtained in step (B) to give a dispersion having a suitable concentration, and (D) separation of the agglomerates from the mixture of step (B) or (C) by application of a magnetic field, and to the use of at least one magnetic particle for the separation of slag.
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公开(公告)号:AT535548T
公开(公告)日:2011-12-15
申请号:AT08701057
申请日:2008-01-10
Applicant: BASF SE
Inventor: LOESCH DENNIS , KRUEGER MARCO , DUECKER CAROLIN , KARIM ASIF , DAISS ANDREAS , SPINDLER VOLKER , BLEI STEFAN , EHNES DIETER , GAMPFER OLIVER , REIMER DIETER , HEEGER MICHAEL
IPC: C08F2/01 , B01J19/26 , C08F220/06
Abstract: A process for producing polymer particles by polymerizing liquid droplets in a gas phase by metering a liquid comprising at least one monomer from at least one feed by means of a multitude of bores into a reaction chamber comprising the gas phase, wherein ratio of length of the feed to greatest diameter of the feed in the region of the multitude of bores is at least 10.
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公开(公告)号:DE502006009389D1
公开(公告)日:2011-06-09
申请号:DE502006009389
申请日:2006-01-14
Applicant: BASF SE
Inventor: LOESCH DENNIS , SEIDL VOLKER , STUEVEN UWE
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