CL2008003747A1 - Metodo para elaborar un catalizador que comprende envejecer un soporte de silice en una solucion alcalina, eliminar al menos una parte de la solucion alcalina; agregar cromo al soporte de silice; y activar el soporte de silice durante menos de 8 horas y en lotes iguales o mayores a 226,8 kg.; y metodo para elaborar un polimero. - Google Patents

Metodo para elaborar un catalizador que comprende envejecer un soporte de silice en una solucion alcalina, eliminar al menos una parte de la solucion alcalina; agregar cromo al soporte de silice; y activar el soporte de silice durante menos de 8 horas y en lotes iguales o mayores a 226,8 kg.; y metodo para elaborar un polimero.

Info

Publication number
CL2008003747A1
CL2008003747A1 CL2008003747A CL2008003747A CL2008003747A1 CL 2008003747 A1 CL2008003747 A1 CL 2008003747A1 CL 2008003747 A CL2008003747 A CL 2008003747A CL 2008003747 A CL2008003747 A CL 2008003747A CL 2008003747 A1 CL2008003747 A1 CL 2008003747A1
Authority
CL
Chile
Prior art keywords
silica support
alkaline solution
making
aging
less
Prior art date
Application number
CL2008003747A
Other languages
English (en)
Inventor
Max P Mcdaniel
Elizabeth A Benham
Ted H Cymbaluk
George Neil
Original Assignee
Chevron Phillips Chemical Co Lp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chevron Phillips Chemical Co Lp filed Critical Chevron Phillips Chemical Co Lp
Publication of CL2008003747A1 publication Critical patent/CL2008003747A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0207—Pretreatment of the support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/06—Washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/638—Pore volume more than 1.0 ml/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerization Catalysts (AREA)
  • Catalysts (AREA)
  • Silicon Compounds (AREA)

Abstract

UN MÉTODO PARA ELABORAR UN CATALIZADOR QUE COMPRENDE: ENVEJECER UN SOPORTE DE SÍLICE EN UNA SOLUCIÓN ALCALINA PARA PRODUCIR UN SOPORTE DE SÍLICE ENVEJECIDO DE MANERA ALCALINA; ELIMINAR AL MENOS UNA PARTE DE LA SOLUCIÓN ALCALINA DEL SOPORTE DE SÍLICE ENVEJECIDO DE MANERA ALCALINA PARA PRODUCIR UN SOPORTE DE SÍLICE SECO; AGREGAR CROMO AL SOPORTE DE SÍLICE ANTES DEL ENVEJECIMIENTO, DURANTE EL ENVEJECIMIENTO, DESPUÉS DEL<br /> ENVEJECIMIENTO, O COMBINACIONES DE ELLAS; Y ACTIVAR EL SOPORTE DE SÍLICE PARA PRODUCIR UNA COMPOSICIÓN CATALÍTICA, DONDE EL ENVEJECIMIENTO DE MANERA ALCALINA REDUCE EL ÁREA DE SUPERFICIE DEL SOPORTE DE SÍLICE A MENOS DEL 50%, DEL VALOR ORIGINAL, Y DONDE EL SOPORTE DE SÍLICE TIENE UN ÁREA DE SUPERFICIE A MENOS DE 300 M2/G; Y LA ACTIVACIÓN DEL SOPORTE DE SÍLICE SE REALIZA POR LOTES IGUALES A -O MAYORES QUE- 500 LIBRAS (226,8 KILOGRAMOS) DURANTE UN PERÍODO DE MENOS DE 8 HORAS. ADEMÁS, UN MÉTODO PARA ELABORAR UN POLÍMERO.  
CL2008003747A 2007-12-21 2008-12-16 Metodo para elaborar un catalizador que comprende envejecer un soporte de silice en una solucion alcalina, eliminar al menos una parte de la solucion alcalina; agregar cromo al soporte de silice; y activar el soporte de silice durante menos de 8 horas y en lotes iguales o mayores a 226,8 kg.; y metodo para elaborar un polimero. CL2008003747A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/963,530 US8183173B2 (en) 2007-12-21 2007-12-21 Fast activating catalyst

Publications (1)

Publication Number Publication Date
CL2008003747A1 true CL2008003747A1 (es) 2010-12-24

Family

ID=40517736

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2008003747A CL2008003747A1 (es) 2007-12-21 2008-12-16 Metodo para elaborar un catalizador que comprende envejecer un soporte de silice en una solucion alcalina, eliminar al menos una parte de la solucion alcalina; agregar cromo al soporte de silice; y activar el soporte de silice durante menos de 8 horas y en lotes iguales o mayores a 226,8 kg.; y metodo para elaborar un polimero.

Country Status (13)

Country Link
US (1) US8183173B2 (es)
EP (2) EP3042919B1 (es)
KR (1) KR101524330B1 (es)
CN (1) CN101903419B (es)
AR (1) AR069713A1 (es)
AU (1) AU2008343937A1 (es)
BR (1) BRPI0821766B1 (es)
CA (1) CA2710163C (es)
CL (1) CL2008003747A1 (es)
ES (2) ES2668368T3 (es)
HU (1) HUE039190T2 (es)
MX (1) MX2010006971A (es)
WO (1) WO2009085100A2 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12533662B2 (en) 2019-04-15 2026-01-27 Johnson Matthey Public Limited Company Catalysts containing copper, zinc oxide, alumina and silica

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8183173B2 (en) 2007-12-21 2012-05-22 Chevron Phillips Chemical Company Lp Fast activating catalyst
CN102791372A (zh) * 2010-03-17 2012-11-21 出光兴产株式会社 烯烃的低聚反应用催化剂
US8396600B2 (en) 2010-07-23 2013-03-12 Chevron Phillips Chemical Company Lp Prediction and control solution for polymerization reactor operation
US8399580B2 (en) 2010-08-11 2013-03-19 Chevron Philips Chemical Company Lp Additives to chromium catalyst mix tank
US9023967B2 (en) * 2011-11-30 2015-05-05 Chevron Phillips Chemical Company Lp Long chain branched polymers and methods of making same
US9096699B2 (en) * 2011-12-02 2015-08-04 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US9376511B2 (en) 2013-03-13 2016-06-28 Chevron Phillips Chemical Company Lp Polymerization catalysts and polymers
EP3013870B1 (en) * 2013-06-24 2023-10-25 Saudi Basic Industries Corporation Process for making a blow molded article based on high density polyethylene prepared with titanated chromium-based catalysts
US20150050742A1 (en) * 2013-08-16 2015-02-19 Cdti Analysis of Occurrence of Corrosion Products with ZPGM and PGM Catalysts Coated on Metallic Substrates
US10213766B2 (en) 2015-09-18 2019-02-26 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US9988468B2 (en) 2016-09-30 2018-06-05 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US11267914B2 (en) 2016-12-29 2022-03-08 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US20200369803A1 (en) 2016-12-29 2020-11-26 Chevron Phillips Chemical Company Lp Methods of Preparing a Catalyst
US10654953B2 (en) * 2016-12-29 2020-05-19 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US10287369B2 (en) 2017-04-24 2019-05-14 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US10323109B2 (en) 2017-11-17 2019-06-18 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst utilizing hydrated reagents
US10513570B2 (en) 2017-11-17 2019-12-24 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst
US10722874B2 (en) 2018-04-16 2020-07-28 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst utilizing hydrated reagents
US11266976B2 (en) * 2018-04-16 2022-03-08 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst with low HRVOC emissions
US10543480B2 (en) 2018-04-16 2020-01-28 Chevron Phillips Chemical Company Lp Methods of preparing a catalyst utilizing hydrated reagents
WO2020094714A1 (en) * 2018-11-08 2020-05-14 Rhodia Operations Precipitated silica and process for its manufacture
GB201903452D0 (en) 2019-03-13 2019-04-24 Lucite Int Uk Ltd A catalyst and a process for the production of ethylenically unsaturated carboxylic acids for esters

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248179A (en) * 1962-02-26 1966-04-26 Phillips Petroleum Co Method and apparatus for the production of solid polymers of olefins
US3362946A (en) * 1964-06-01 1968-01-09 Phillips Petroleum Co Method of treating supported chromium oxide catalyst and polymerization therewith
US3281405A (en) * 1964-10-05 1966-10-25 Phillips Petroleum Co Catalyst and process for polymerizing ethylene
US3446754A (en) * 1965-12-03 1969-05-27 Nat Distillers Chem Corp Catalyst activation
US3629216A (en) * 1968-05-14 1971-12-21 Mitsubishi Chem Ind Process for the polymerization of olefins
US3806500A (en) * 1972-07-21 1974-04-23 Union Carbide Corp Polymerization with thermally aged catalyst
US4022580A (en) * 1973-05-07 1977-05-10 Phillips Petroleum Company Catalyst activation
US3976632A (en) 1974-12-04 1976-08-24 Phillips Petroleum Company Reactivation of organochromium olefin polymerization catalyst in presence of oxygen
US4041224A (en) * 1975-11-19 1977-08-09 Chemplex Company Catalyst, method and polymerization processes
US4151122A (en) * 1977-12-05 1979-04-24 Phillips Petroleum Company Reduction and reoxidation of cogel or self-reduced catalyst
US4296001A (en) * 1980-02-06 1981-10-20 Phillips Petroleum Company Titanium impregnated silica-chromium catalysts
US4397769A (en) * 1981-04-02 1983-08-09 Phillips Petroleum Company Olefin polymerization catalyst
US4501885A (en) * 1981-10-14 1985-02-26 Phillips Petroleum Company Diluent and inert gas recovery from a polymerization process
US4436882A (en) * 1982-01-20 1984-03-13 Phillips Petroleum Company Polymerization process utilizing a catalyst prepared by aging of a chromium-containing gel at high pH
US4405501A (en) * 1982-01-20 1983-09-20 Phillips Petroleum Company Aging of chromium-containing gel at high pH
US4588790A (en) * 1982-03-24 1986-05-13 Union Carbide Corporation Method for fluidized bed polymerization
US5200478A (en) * 1983-04-04 1993-04-06 Solvay S.A. Method for activating supported chromium oxide catalysts and olefin polymerization process carried out therewith
US4547557A (en) * 1984-07-09 1985-10-15 Phillips Petroleum Company Silica-titania cogel from two-step hydrolysis
US4981831A (en) * 1988-07-25 1991-01-01 Phillips Petroleum Company Twice-aged porous inorganic oxides, catalysts, and polymerization processes
US5006506A (en) * 1989-12-21 1991-04-09 Mobil Oil Corporation Modified chromium-containing catalyst composition for polymerizing olefins and method of preparing the catalyst composition
US5565175A (en) * 1990-10-01 1996-10-15 Phillips Petroleum Company Apparatus and method for producing ethylene polymer
US5575979A (en) * 1991-03-04 1996-11-19 Phillips Petroleum Company Process and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator
US5183792A (en) 1991-11-26 1993-02-02 Allied-Signal Inc. Catalyst for making polyethylene
US5352749A (en) * 1992-03-19 1994-10-04 Exxon Chemical Patents, Inc. Process for polymerizing monomers in fluidized beds
US5436304A (en) * 1992-03-19 1995-07-25 Exxon Chemical Patents Inc. Process for polymerizing monomers in fluidized beds
US5576263A (en) * 1993-12-28 1996-11-19 Phillips Petroleum Company Chromium catalyst compositions and ethylene polymerization processes therewith
US5455314A (en) * 1994-07-27 1995-10-03 Phillips Petroleum Company Method for controlling removal of polymerization reaction effluent
EP0857737A1 (en) 1997-02-07 1998-08-12 Fina Research S.A. Production of polyethylene having impact resistance
EP0882740A1 (en) * 1997-06-06 1998-12-09 Fina Research S.A. Titanated chromium-based catalysts to produce polyethylene exhibiting better environmental stress crack resistance
US6239235B1 (en) * 1997-07-15 2001-05-29 Phillips Petroleum Company High solids slurry polymerization
KR100531628B1 (ko) * 1998-03-20 2005-11-29 엑손모빌 케미칼 패턴츠 인코포레이티드 연속적인 슬러리 중합반응의 휘발물질 제거
US6204346B1 (en) 1998-12-17 2001-03-20 Phillips Petroleum Co. Polymerization process
US6262191B1 (en) * 1999-03-09 2001-07-17 Phillips Petroleum Company Diluent slip stream to give catalyst wetting agent
BE1012566A3 (fr) * 1999-03-23 2000-12-05 Solvay Procede pour la production de polymeres de l'ethylene.
DE19914751A1 (de) * 1999-03-31 2000-10-05 Elenac Gmbh Verfahren und Vorrichtung zur kontinuierlichen Behandlung von Katalysatoren und Katalysatorträger
DE19914752A1 (de) * 1999-03-31 2000-10-05 Elenac Gmbh Verfahren zur diskontinuierlichen, thermischen Behandlung von Katalysatormaterial
EP1162210A1 (en) * 2000-06-08 2001-12-12 ATOFINA Research Multimodal polyethylene obtained with multilayer chromium catalyst
US7381778B2 (en) * 2002-06-06 2008-06-03 Exxonmobil Chemical Patents Inc. Method of preparing a treated support
US7223823B2 (en) * 2002-06-06 2007-05-29 Exxon Mobil Chemical Patents Inc. Catalyst system and process
US7384885B2 (en) * 2003-03-31 2008-06-10 Exxonmobil Chemical Patents Inc. Catalyst activation and resins therefrom
US7615510B2 (en) * 2004-05-12 2009-11-10 Chevron Phillips Chemical Company Lp Methods of activating chromium catalysts
US8183173B2 (en) 2007-12-21 2012-05-22 Chevron Phillips Chemical Company Lp Fast activating catalyst

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12533662B2 (en) 2019-04-15 2026-01-27 Johnson Matthey Public Limited Company Catalysts containing copper, zinc oxide, alumina and silica

Also Published As

Publication number Publication date
HUE039190T2 (hu) 2018-12-28
AR069713A1 (es) 2010-02-10
WO2009085100A2 (en) 2009-07-09
CA2710163C (en) 2016-04-05
EP3042919B1 (en) 2018-02-14
ES2573938T3 (es) 2016-06-13
WO2009085100A3 (en) 2009-10-22
CN101903419B (zh) 2012-12-05
EP3042919A2 (en) 2016-07-13
MX2010006971A (es) 2010-10-05
CN101903419A (zh) 2010-12-01
AU2008343937A1 (en) 2009-07-09
BRPI0821766B1 (pt) 2018-08-14
CA2710163A1 (en) 2009-07-09
EP2231722A2 (en) 2010-09-29
BRPI0821766A2 (pt) 2015-06-16
EP2231722B1 (en) 2016-03-23
US8183173B2 (en) 2012-05-22
KR101524330B1 (ko) 2015-05-29
ES2668368T3 (es) 2018-05-17
KR20100109909A (ko) 2010-10-11
US20090163681A1 (en) 2009-06-25
EP3042919A3 (en) 2016-08-24

Similar Documents

Publication Publication Date Title
CL2008003747A1 (es) Metodo para elaborar un catalizador que comprende envejecer un soporte de silice en una solucion alcalina, eliminar al menos una parte de la solucion alcalina; agregar cromo al soporte de silice; y activar el soporte de silice durante menos de 8 horas y en lotes iguales o mayores a 226,8 kg.; y metodo para elaborar un polimero.
MX390965B (es) Metodos de preparacion de un catalizador.
BR112012014687A2 (pt) catalisador utilizável em hidrotratamento, compreendendo metais dos grupos viii e vib e preparo com o ácido acético e succinato de dialquila c1-c4
PE20130568A1 (es) Procedimiento de fabricacion de un catalizador que comprende una zeolita modificada con fosforo para su uso en un procedimiento de deshidratacion de alcoholes
BRPI0414865A (pt) processo para ativação de um catalisador de hidrotratamento
MX2012000787A (es) Un proceso para preparar una suspension acuosa de un compuesto pesticida organico.
TN2009000186A1 (en) Process for producing hydrocarbon fractions from mixtures of a biological origin
DE502007000209D1 (de) Verfahren zur Herstellung von Nitrobenzol
BRPI0508416A (pt) método para remoção de boro a partir de silìcio
EA201171473A1 (ru) Десульфуратор и способы получения и восстановления такого десульфуратора
MY152666A (en) Catalysts useful for the alkylation of aromatic hydrocarbons
EA201592237A1 (ru) Способ получения состава, содержащего аморфный гидрат окиси железа
MY156282A (en) Method for manufacturing methylmercaptopropionaldehyde and methionine using renewable raw materials
BRPI1009092A2 (pt) processos para a reativação de uma resina de troca iônica ácida, e para preparar e purificar um ácido ou ester etilenicamente insaturados, uso da etapa c) do processo, e, resina reativada.&#34;
MX357519B (es) Un proceso para la produccion de un catalizador de metal alcalino en soporte de silice.
AR052600A1 (es) Grupo de ascensores y metodo para controlar dicho grupo de ascensores
BR112014007771A2 (pt) aglutinante híbrido aquoso estável, processo para a produção do aglutinante híbrido aquoso estável, e, composição de revestimento
AR032257A1 (es) Establilizacion de bebidas
BR112015008730A2 (pt) processo para a produção de ácidos graxos monoramificados ou ésteres de alquila dos mesmos, uso de um zeólito como um catalisador, reutilização de um catalisador de zeólito, e, composição
WO2007023173A8 (en) A process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate
UA95774C2 (ru) Способ обезвоживания спирта и устройство для его осуществления
BRPI0615905B8 (pt) substrato para regeneração de tecido e método para produção do referido substrato
BR112022001237A2 (pt) Catalisador, método para produzir um catalisador, método para produzir um ácido carboxílico ou éster etilenicamente insaturado, e, processo para preparar um ácido ou éster etilenicamente insaturado
AR071151A1 (es) Acelerador de frague y endurecimiento para ligantes hidraulicos en el estado solido
ATE252589T1 (de) Aluminosiloxanverbindungen und verfahren zu ihrer herstellung