PL2571813T3 - Kompozycja na bazie ceru, cyrkonu i wolframu, sposób wytwarzania i zastosowanie w katalizie - Google Patents

Kompozycja na bazie ceru, cyrkonu i wolframu, sposób wytwarzania i zastosowanie w katalizie

Info

Publication number
PL2571813T3
PL2571813T3 PL11720453T PL11720453T PL2571813T3 PL 2571813 T3 PL2571813 T3 PL 2571813T3 PL 11720453 T PL11720453 T PL 11720453T PL 11720453 T PL11720453 T PL 11720453T PL 2571813 T3 PL2571813 T3 PL 2571813T3
Authority
PL
Poland
Prior art keywords
cerium
catalysis
zirconium
tungsten
preparation process
Prior art date
Application number
PL11720453T
Other languages
English (en)
Inventor
Julien Hernandez
Emmanuel Rohart
Coelho Marques Rui Jorge
Deborah Jane Harris
Clare Jones
Original Assignee
Magnesium Elektron Limited
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 Magnesium Elektron Limited filed Critical Magnesium Elektron Limited
Publication of PL2571813T3 publication Critical patent/PL2571813T3/pl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten
    • C01G41/006—Compounds containing tungsten, with or without oxygen or hydrogen, and containing two or more other elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J23/30—Tungsten
    • 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
    • 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
    • B01J35/613—10-100 m2/g
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/006—Compounds containing zirconium, with or without oxygen or hydrogen, and containing two or more other elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20715—Zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/014—Stoichiometric gasoline engines
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B01J2523/30—Constitutive chemical elements of heterogeneous catalysts of Group III (IIIA or IIIB) of the Periodic Table
    • B01J2523/37—Lanthanides
    • B01J2523/3712—Cerium
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B01J2523/40—Constitutive chemical elements of heterogeneous catalysts of Group IV (IVA or IVB) of the Periodic Table
    • B01J2523/48—Zirconium
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B01J2523/60—Constitutive chemical elements of heterogeneous catalysts of Group VI (VIA or VIB) of the Periodic Table
    • B01J2523/69—Tungsten
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/74—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by peak-intensities or a ratio thereof only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Exhaust Gas After Treatment (AREA)
PL11720453T 2010-05-19 2011-05-17 Kompozycja na bazie ceru, cyrkonu i wolframu, sposób wytwarzania i zastosowanie w katalizie PL2571813T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1002111A FR2960231B1 (fr) 2010-05-19 2010-05-19 Composition a base de cerium, de zirconium et de tungstene, procede de preparation et utilisation en catalyse, notamment pour le traitement des gaz d'echappement
EP11720453.7A EP2571813B1 (fr) 2010-05-19 2011-05-17 Composition a base de cerium, de zirconium et de tungstene, procede de preparation et utilisation en catalyse

Publications (1)

Publication Number Publication Date
PL2571813T3 true PL2571813T3 (pl) 2017-07-31

Family

ID=42575637

Family Applications (1)

Application Number Title Priority Date Filing Date
PL11720453T PL2571813T3 (pl) 2010-05-19 2011-05-17 Kompozycja na bazie ceru, cyrkonu i wolframu, sposób wytwarzania i zastosowanie w katalizie

Country Status (12)

Country Link
US (1) US9169129B2 (pl)
EP (1) EP2571813B1 (pl)
JP (1) JP5791705B2 (pl)
KR (1) KR101570565B1 (pl)
CN (1) CN102933497A (pl)
CA (1) CA2797002A1 (pl)
DK (1) DK2571813T3 (pl)
FR (1) FR2960231B1 (pl)
PL (1) PL2571813T3 (pl)
RU (1) RU2549573C2 (pl)
WO (1) WO2011144601A1 (pl)
ZA (1) ZA201208462B (pl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103260752B (zh) * 2010-12-27 2015-06-17 恩亿凯嘉股份有限公司 选择还原型催化剂、以及使用其的废气净化装置和废气净化方法
WO2012131914A1 (ja) * 2011-03-29 2012-10-04 イビデン株式会社 ハニカム構造体及び排ガス浄化装置
CN103240079B (zh) * 2013-05-30 2015-05-20 中国科学院生态环境研究中心 一种铈锆钨复合氧化物催化剂、制备方法及其用途
CN104148057A (zh) * 2014-07-31 2014-11-19 南京师范大学 基于单斜相纳米氧化锆载体的低温scr催化剂及制备方法
UA123263C2 (uk) 2015-03-05 2021-03-10 Шелл Інтернаціонале Рісерч Маатшаппідж Б.В. Каталізатор окислення метану, процес його отримання та спосіб його застосування
JP7077304B2 (ja) 2016-08-31 2022-05-30 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ メタン酸化触媒、それを調製するプロセス、およびそれを使用する方法
DK3507008T3 (da) 2016-08-31 2021-11-22 Shell Int Research Fremgangsmåde til fremstilling af en methanoxideringskatalysator
US10500562B2 (en) 2018-04-05 2019-12-10 Magnesium Elektron Ltd. Zirconia-based compositions for use in passive NOx adsorber devices
US12486792B2 (en) 2019-08-20 2025-12-02 Shell Usa, Inc. Methane oxidation catalyst and a method of making and using thereof
CN111715208A (zh) * 2020-04-07 2020-09-29 盐城师范学院 一种CeO2复合光催化材料的制备方法及其在光催化产氢中的应用
US11745168B2 (en) * 2021-06-17 2023-09-05 ExxonMobil Technology and Engineering Company Bifunctional metal oxides and paraffin isomerization therewith
CN118176062A (zh) * 2021-10-28 2024-06-11 日立造船株式会社 烃氧化催化剂及其制造方法以及烃处理方法
CN114280111B (zh) * 2021-12-24 2023-11-24 复旦大学 铈掺杂氧化钨复合材料和硫化氢传感器、以及制备方法
CN115709063B (zh) * 2022-10-28 2023-12-22 国家电投集团广东电力有限公司广州分公司 有机杂环液体储氢载体的加氢催化剂、制备方法及其应用
CN116099528A (zh) * 2023-02-28 2023-05-12 上海电气电站环保工程有限公司 一种scr脱硝催化剂、制备方法及在船舶柴油机尾气的应用
CN119524917B (zh) * 2023-08-31 2025-11-14 中国石油化工股份有限公司 ZrOx-Beta催化剂及其制备方法和应用

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860529A (en) * 1968-01-24 1975-01-14 Union Carbide Corp Stabilized tetragonal zirconia fibers and textiles
JPS61141619A (ja) * 1984-12-13 1986-06-28 Dowa Mining Co Ltd ジルコニア微粉体の製造法
GB2185011B (en) * 1985-12-25 1990-10-31 Takeda Chemical Industries Ltd Zirconium sols and gels
JP2000237589A (ja) * 1999-02-24 2000-09-05 Nissan Motor Co Ltd 排気ガス浄化用触媒
JP2001246259A (ja) * 2000-03-08 2001-09-11 Nissan Motor Co Ltd 排気ガス浄化用触媒
US20060233691A1 (en) * 2005-03-28 2006-10-19 Vanderspurt Thomas H Durable catalyst for processing carbonaceous fuel, and the method of making
JP4359531B2 (ja) * 2003-04-30 2009-11-04 ニッケイ・メル株式会社 ジルコニウム基酸化物の製造方法及び自動車排ガス浄化用触媒
US7384888B2 (en) * 2003-09-15 2008-06-10 Toyota Jidosha Kabushiki Kaisha Cerium-zirconium composite metal oxide
JP2005170700A (ja) * 2003-12-08 2005-06-30 Hitachi Maxell Ltd 酸化ジルコニウム粒子とその製造方法
US20060133977A1 (en) * 2004-12-22 2006-06-22 Male Jonathan L Catalyst system and method for the reduction of NOx
JP2006320797A (ja) * 2005-05-17 2006-11-30 Nissan Motor Co Ltd 触媒及びその製造方法
GB0602217D0 (en) 2006-02-03 2006-03-15 Magnesium Elektron Ltd Zirconium hydroxide
FR2907444B1 (fr) * 2006-10-20 2008-12-19 Rhodia Recherches & Tech Composition a acidite elevee a base d'oxydes de zirconium,de silicium et d'au moins un autre element choisi parmi le titane,l'aluminium,le tungstene,le molybdene,le cerium,le fer et le manganese
FR2907445B1 (fr) 2006-10-20 2010-09-03 Rhodia Recherches & Tech Composition a acidite elevee a base d'oxyde de zirconium, d'oxyde de titane et d'oxyde de tungstene,procede de preparation et utilisation dans le traitement des gaz d'echappement
CA2671730A1 (en) * 2006-12-20 2008-11-20 Virent Energy Systems, Inc. Reactor system for producing gaseous products

Also Published As

Publication number Publication date
RU2549573C2 (ru) 2015-04-27
US20130164201A1 (en) 2013-06-27
WO2011144601A1 (fr) 2011-11-24
US9169129B2 (en) 2015-10-27
EP2571813B1 (fr) 2016-08-17
KR101570565B1 (ko) 2015-11-19
CN102933497A (zh) 2013-02-13
CA2797002A1 (fr) 2011-11-24
JP2013527032A (ja) 2013-06-27
FR2960231B1 (fr) 2012-07-20
RU2012154889A (ru) 2014-06-27
DK2571813T3 (da) 2016-11-28
JP5791705B2 (ja) 2015-10-07
ZA201208462B (en) 2013-07-31
FR2960231A1 (fr) 2011-11-25
EP2571813A1 (fr) 2013-03-27
KR20130008615A (ko) 2013-01-22

Similar Documents

Publication Publication Date Title
ZA201208462B (en) Composition based on cerium,zirconium and tungsten,preparation process and use in catalysis
IL273838A (en) Peptide and oligonucleotide conjugates, preparations containing them and their uses
IL256921A (en) Pyrazolopyrimidines, pharmaceutical preparations containing them and their use
IL253870A0 (en) Certain amino-pyrimidines, their assemblies, and methods of using them
IL222465A0 (en) Certain amino-pyridazines, compositions thereof, and methods for their use
ZA201208578B (en) Composition,method and use
IL215684A0 (en) Trehalulose-containing composition, its preparation and use
PT2649029T (pt) Processo de despolimerização
IL222930A0 (en) Chlorotoxin variants, conjugates and methods for their use
ZA201200352B (en) Composition comprising cerium oxide and zirconium oxide having a specific porosity, preparation method threrof and use of same in catalysis
PL2646370T3 (pl) Kompozycja na bazie tlenku cyrkonu i co najmniej jednego tlenku metali ziem rzadkich innych niż cer, o porowatości właściwej, sposób wytwarzania i zastosowania w katalizie
SI2569008T1 (sl) Himere OSPA in njihova uporaba v cepivih
ZA201209739B (en) Levocarrimycin,pharmaceutical compositions,preparation methods and uses thereof
ZA201309412B (en) Composition based on oxides of cerium, of zirconium and of another rare earth metal with high reducibility, preparation process and use in the field of catalysis
EP2599490A4 (en) COMPOSITION FOR TREATMENT OF INJURY, FORMULATION AND USE THEREOF
ZA201209593B (en) Filling outlet, its use and filling method
ZA201307341B (en) Composition based on oxides of zirconium, of cerium, of at least one rare earth other than cerium and of silicon, preparation processes and use in catalysis
ZA201108638B (en) Novel process for the preparation of palladium-based catalysts and use of said catalysts in selective hydrogenation
PL2407147T3 (pl) Kompozycja o działaniu bioregeneracyjnym, wzmacniającym i eutrofizującym
HUE052713T2 (hu) Aktivátor készítmények, elõállításuk és katalizátorokban történõ alkalmazásuk
ZA201404045B (en) Catalyst usable in hydroconversion and including at least one zeolite and group viii and vib metals,and preparation of the catalyst
EP2766183A4 (en) IRON FIBER COMPOSITION, PREPARATION THEREOF AND USES THEREOF
EP2551271A4 (en) COPOLYMER WITH FLUORENYLPORPHYRINE BENZOLE, PREPARATION METHOD AND USE
IL226108A0 (en) Highly efficient catalysts, their preparation and use
HUP1000668A2 (en) New palladium catalysts, process for their preparation and use thereof