On the nature of active phases and sites in CO and CO2 hydrogenation catalysts

Sunlight-assisted hydrogenation of CO 2 into ethanol and C2+ hydrocarbons by sodium-promoted Co@C nanocomposites

(2018) Lichen Liu et al.   APPLIED CATALYSIS B-ENVIRONMENTAL

Efficient Reduction of CO2 to CO Using Cobalt-Cobalt Oxide Core-Shell Catalysts

(2018) Guoheng Yin et al.   CHEMISTRY-A EUROPEAN JOURNAL

Controlled formation of iron carbides and their performance in Fischer-Tropsch synthesis

(2018) Tim A. Wezendonk et al.   JOURNAL OF CATALYSIS

Hydrogenation of CO2 on Nickel–Iron Nanoparticles Under Sunlight Irradiation

(2018) Alberto V. Puga et al.   TOPICS IN CATALYSIS

Conversion of CO2, CO, and H2 in CO2 Hydrogenation to Fungible Liquid Fuels on Fe-Based Catalysts

(2017) M. V. Landau et al.   INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

Effect of potassium on the active phases of Fe catalysts for carbon dioxide conversion to liquid fuels through hydrogenation

(2017) Meital Amoyal et al.   JOURNAL OF CATALYSIS

Elementary Surface Reactions on Co(0001) under Fischer–Tropsch Synthesis Conditions

(2017) Yuekang Jin et al.   Journal of Physical Chemistry C

Iron Carbides in Fischer–Tropsch Synthesis: Theoretical and Experimental Understanding in Epsilon-Iron Carbide Phase Assignment

(2017) Xing-Wu Liu et al.   Journal of Physical Chemistry C

Chemical Insights into the Design and Development of Face-Centered Cubic Ruthenium Catalysts for Fischer–Tropsch Synthesis

(2017) Wei-Zhen Li et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Formation of C2 oxygenates and ethanol from syngas on an Fe-decorated Cu-based catalyst: insight into the role of Fe as a promoter

(2017) Lixia Ling et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Directly converting CO2 into a gasoline fuel

(2017) Jian Wei et al.   Nature Communications

Real-Time Scattering-Contrast Imaging of a Supported Cobalt-Based Catalyst Body during Activation and Fischer–Tropsch Synthesis Revealing Spatial Dependence of Particle Size and Phase on Catalytic Properties

(2017) Pierre Senecal et al.   ACS Catalysis

Effects of Sodium on the Catalytic Performance of CoMn Catalysts for Fischer–Tropsch to Olefin Reactions

(2017) Zhengjia Li et al.   ACS Catalysis

Ruthenium particle size and cesium promotion effects in Fischer–Tropsch synthesis over high-surface-area graphite supported catalysts

(2017) José L. Eslava et al.   Catalysis Science & Technology

Chemical imaging of Fischer-Tropsch catalysts under operating conditions

(2017) Stephen W. T. Price et al.   Science Advances

Particle Size and Crystal Phase Effects in Fischer-Tropsch Catalysts

(2017) Jin-Xun Liu et al.   Engineering

Surface-Plasmon-Enhanced Photodriven CO2 Reduction Catalyzed by Metal-Organic-Framework-Derived Iron Nanoparticles Encapsulated by Ultrathin Carbon Layers

(2016) Huabin Zhang et al.   ADVANCED MATERIALS

Magnetically Induced Continuous CO2Hydrogenation Using Composite Iron Carbide Nanoparticles of Exceptionally High Heating Power

(2016) Alexis Bordet et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Oxide-Modified Nickel Photocatalysts for the Production of Hydrocarbons in Visible Light

(2016) Yufei Zhao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Effect of feeding nitrogen to a fixed bed Fischer–Tropsch reactor while keeping the partial pressures of reactants the same

(2016) Adolph Anga Muleja et al.   CHEMICAL ENGINEERING JOURNAL

Kinetic studies of CO 2 methanation over a Ni/ γ -Al 2 O 3 catalyst using a batch reactor

(2016) Jin Yang Lim et al.   CHEMICAL ENGINEERING SCIENCE

Catalytic Reforming of Oxygenates: State of the Art and Future Prospects

(2016) Di Li et al.   CHEMICAL REVIEWS

Photocatalytic production of hydrogen from biomass-derived feedstocks

(2016) Alberto V. Puga   COORDINATION CHEMISTRY REVIEWS

Catalytic reduction of CO2 by H2 for synthesis of CO, methanol and hydrocarbons: challenges and opportunities

(2016) Marc D. Porosoff et al.   Energy & Environmental Science

CO Dissociation on Face-Centered Cubic and Hexagonal Close-Packed Nickel Catalysts: A First-Principles Study

(2016) Jin-Xun Liu et al.   Journal of Physical Chemistry C

Cobalt carbide nanoprisms for direct production of lower olefins from syngas

(2016) Liangshu Zhong et al.   NATURE

In situ observation of self-assembled hydrocarbon Fischer–Tropsch products on a cobalt catalyst

(2016) Violeta Navarro et al.   Nature Chemistry

Adsorbate-mediated strong metal–support interactions in oxide-supported Rh catalysts

(2016) John C. Matsubu et al.   Nature Chemistry

Selective conversion of syngas to light olefins

(2016) F. Jiao et al.   SCIENCE

Light-Promoted Hydrogenation of Carbon Dioxide—An Overview

(2016) Alberto V. Puga   TOPICS IN CATALYSIS

Size-Dependent Activity and Selectivity of Fe/MCF-17 in the Catalytic Hydrogenation of Carbon Monoxide Using Fe(0) Nanoparticles as Precursors

(2016) Viacheslav Iablokov et al.   ACS Catalysis

Size and Promoter Effects in Supported Iron Fischer–Tropsch Catalysts: Insights from Experiment and Theory

(2016) Jingxiu Xie et al.   ACS Catalysis

Dynamics of CrO3–Fe2O3 Catalysts during the High-Temperature Water-Gas Shift Reaction: Molecular Structures and Reactivity

(2016) Christopher J. Keturakis et al.   ACS Catalysis

Elucidating the Nature of Fe Species during Pyrolysis of the Fe-BTC MOF into Highly Active and Stable Fischer–Tropsch Catalysts

(2016) Tim A. Wezendonk et al.   ACS Catalysis

Size and Promoter Effects on Stability of Carbon-Nanofiber-Supported Iron-Based Fischer–Tropsch Catalysts

(2016) Jingxiu Xie et al.   ACS Catalysis

Hydrogenation of Carbon Dioxide over Co–Fe Bimetallic Catalysts

(2016) Muthu Kumaran Gnanamani et al.   ACS Catalysis

Active phase distribution changes within a catalyst particle during Fischer–Tropsch synthesis as revealed by multi-scale microscopy

(2016) K. H. Cats et al.   Catalysis Science & Technology

New insights into the effect of sodium on Fe3O4- based nanocatalysts for CO2 hydrogenation to light olefins

(2016) Jian Wei et al.   Catalysis Science & Technology

Catalysis mechanisms of CO2 and CO methanation

(2016) Bin Miao et al.   Catalysis Science & Technology

Enhanced catalytic activity of cobalt catalysts for Fischer–Tropsch synthesis via carburization and hydrogenation and its application to regeneration

(2016) Geunjae Kwak et al.   Catalysis Science & Technology

Fischer-Tropsch synthesis: Effect of pretreatment conditions of cobalt on activity and selectivity for hydrogenation of carbon dioxide

(2015) Muthu Kumaran Gnanamani et al.   APPLIED CATALYSIS A-GENERAL

Light olefin synthesis from CO2 hydrogenation over K-promoted Fe–Co bimetallic catalysts

(2015) Ratchprapa Satthawong et al.   CATALYSIS TODAY

Methanation of carbon dioxide on Ru/Al 2 O 3 and Ni/Al 2 O 3 catalysts at atmospheric pressure: Catalysts activation, behaviour and stability

(2015) Gabriella Garbarino et al.   INTERNATIONAL JOURNAL OF HYDROGEN ENERGY

Methane, formaldehyde and methanol formation pathways from carbon monoxide and hydrogen on the (0 0 1) surface of the iron carbide χ-Fe 5 C 2

(2015) M. Olus Ozbek et al.   JOURNAL OF CATALYSIS

Kinetics of deactivation by carbon of a cobalt Fischer–Tropsch catalyst: Effects of CO and H2 partial pressures

(2015) Kamyar Keyvanloo et al.   JOURNAL OF CATALYSIS

Thermal evolution of cobalt deposits on Co3O4(111): atomically dispersed cobalt, two-dimensional CoO islands, and metallic Co nanoparticles

(2015) S. Mehl et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Synthesis and Structural Evolution of Nickel-Cobalt Nanoparticles Under H2and CO2

(2015) Sophie Carenco et al.   Small

High Alcohols Synthesis via Fischer–Tropsch Reaction at Cobalt Metal/Carbide Interface

(2015) Yan-Peng Pei et al.   ACS Catalysis

Insights into Hägg Iron-Carbide-Catalyzed Fischer–Tropsch Synthesis: Suppression of CH4 Formation and Enhancement of C–C Coupling on χ-Fe5C2 (510)

(2015) Thanh Hai Pham et al.   ACS Catalysis

The role of carbon atoms of supported iron carbides in Fischer–Tropsch synthesis

(2015) V. V. Ordomsky et al.   Catalysis Science & Technology

Selective formation of light olefins from CO 2 hydrogenation over Fe–Zn–K catalysts

(2015) Jianli Zhang et al.   Journal of CO2 Utilization

Quantitative Relationship between Support Porosity and the Stability of Pore-Confined Metal Nanoparticles Studied on CuZnO/SiO2 Methanol Synthesis Catalysts

(2014) Gonzalo Prieto et al.   ACS Nano

Kinetic study of higher alcohol synthesis directly from syngas over CoCu/SiO2catalysts

(2014) Junjie Su et al.   AICHE JOURNAL

Design and Synthesis of Copper-Cobalt Catalysts for the Selective Conversion of Synthesis Gas to Ethanol and Higher Alcohols

(2014) Gonzalo Prieto et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Photothermal Conversion of CO2into CH4with H2over Group VIII Nanocatalysts: An Alternative Approach for Solar Fuel Production

(2014) Xianguang Meng et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Deactivation of supported nickel catalysts during CO methanation

(2014) J. Barrientos et al.   APPLIED CATALYSIS A-GENERAL

Catalytic carbon dioxide hydrogenation to methanol: A review of recent studies

(2014) Suhas G. Jadhav et al.   CHEMICAL ENGINEERING RESEARCH & DESIGN

A study of the methanation of carbon dioxide on Ni/Al2O3 catalysts at atmospheric pressure

(2014) Gabriella Garbarino et al.   INTERNATIONAL JOURNAL OF HYDROGEN ENERGY

In situ magnetometer study on the formation and stability of cobalt carbide in Fischer–Tropsch synthesis

(2014) M. Claeys et al.   JOURNAL OF CATALYSIS

Intermetallic compounds of Ni and Ga as catalysts for the synthesis of methanol

(2014) Irek Sharafutdinov et al.   JOURNAL OF CATALYSIS

CO Activation Pathways of Fischer–Tropsch Synthesis on χ-Fe5C2 (510): Direct versus Hydrogen-Assisted CO Dissociation

(2014) Thanh Hai Pham et al.   Journal of Physical Chemistry C

Evidence of Highly Active Cobalt Oxide Catalyst for the Fischer–Tropsch Synthesis and CO2 Hydrogenation

(2014) Gérôme Melaet et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Complete Photocatalytic Reduction of CO2 to Methane by H2 under Solar Light Irradiation

(2014) Francesc Sastre et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Renewable energy: Biofuels heat up

(2014) Kim Krieger   NATURE

Cellulosic ethanol fights for life

(2014) Mark Peplow   NATURE

Discovery of a Ni-Ga catalyst for carbon dioxide reduction to methanol

(2014) Felix Studt et al.   Nature Chemistry

An overview of current status of carbon dioxide capture and storage technologies

(2014) Dennis Y.C. Leung et al.   RENEWABLE & SUSTAINABLE ENERGY REVIEWS

Highly active copper-ceria and copper-ceria-titania catalysts for methanol synthesis from CO2

(2014) J. Graciani et al.   SCIENCE

ε-Iron carbide as a low-temperature Fischer–Tropsch synthesis catalyst

(2014) Ke Xu et al.   Nature Communications

Fischer–Tropsch synthesis on a ruthenium catalyst in two-phase systems: an excellent opportunity for the control of reaction rate and selectivity

(2014) Vitaly V. Ordomsky et al.   Catalysis Science & Technology

A review of advanced catalyst development for Fischer–Tropsch synthesis of hydrocarbons from biomass derived syn-gas

(2014) Hessam Jahangiri et al.   Catalysis Science & Technology

Highly active and stable nano NiO–MgO catalyst encapsulated by silica with a core–shell structure for CO2 methanation

(2014) Yanrong Li et al.   RSC Advances

Hydrogenation of CO2 to value-added products—A review and potential future developments

(2014) Samrand Saeidi et al.   Journal of CO2 Utilization

Photomethanation of Gaseous CO2over Ru/Silicon Nanowire Catalysts with Visible and Near-Infrared Photons

(2014) Paul G. O'Brien et al.   Advanced Science

Fischer–Tropsch synthesis: Activity of metallic phases of cobalt supported on silica

(2013) Muthu Kumaran Gnanamani et al.   CATALYSIS TODAY

Cobalt catalysts for the conversion of CO2 to light hydrocarbons at atmospheric pressure

(2013) Rhodri E. Owen et al.   CHEMICAL COMMUNICATIONS

Catalysis for the Valorization of Exhaust Carbon: from CO2 to Chemicals, Materials, and Fuels. Technological Use of CO2

(2013) Michele Aresta et al.   CHEMICAL REVIEWS

Catalysis for CO2 conversion: a key technology for rapid introduction of renewable energy in the value chain of chemical industries

(2013) Gabriele Centi et al.   Energy & Environmental Science

Carbon capture and storage update

(2013) Matthew E. Boot-Handford et al.   Energy & Environmental Science

Study on an iron–nickel bimetallic Fischer–Tropsch synthesis catalyst

(2013) Tingzhen Li et al.   FUEL PROCESSING TECHNOLOGY

Green and sustainable manufacture of chemicals from biomass: state of the art

(2013) Roger A. Sheldon   GREEN CHEMISTRY

In situ monitoring during the transition of cobalt carbide to metal state and its application as Fischer–Tropsch catalyst in slurry phase

(2013) Geunjae Kwak et al.   JOURNAL OF CATALYSIS

Trends in the catalytic reduction of CO2 by hydrogen over supported monometallic and bimetallic catalysts

(2013) Marc D. Porosoff et al.   JOURNAL OF CATALYSIS

Crystallographic Dependence of CO Activation on Cobalt Catalysts: HCP versus FCC

(2013) Jin-Xun Liu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Low Temperature Water–Gas Shift Reaction Over Alkali Metal Promoted Cobalt Carbide Catalysts

(2013) Muthu Kumaran Gnanamani et al.   TOPICS IN CATALYSIS

Catalytic conversion of syngas to mixed alcohols over CuFe-based catalysts derived from layered double hydroxides

(2013) Wa Gao et al.   Catalysis Science & Technology

Modeling and kinetic analysis of CO2 hydrogenation using a Mn and K-promoted Fe catalyst in a fixed-bed reactor

(2013) Heather D. Willauer et al.   Journal of CO2 Utilization

Nickel and Fischer-Tropsch Synthesis

(2012) Bjørn Christian Enger et al.   CATALYSIS REVIEWS-SCIENCE AND ENGINEERING

Iron Particle Size Effects for Direct Production of Lower Olefins from Synthesis Gas

(2012) Hirsa M. Torres Galvis et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Fe5C2 Nanoparticles: A Facile Bromide-Induced Synthesis and as an Active Phase for Fischer–Tropsch Synthesis

(2012) Ce Yang et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Size-Controlled Model Co Nanoparticle Catalysts for CO2 Hydrogenation: Synthesis, Characterization, and Catalytic Reactions

(2012) Viacheslav Iablokov et al.   NANO LETTERS

Towards stable catalysts by controlling collective properties of supported metal nanoparticles

(2012) Gonzalo Prieto et al.   NATURE MATERIALS

Supported Iron Nanoparticles as Catalysts for Sustainable Production of Lower Olefins

(2012) H. M. Torres Galvis et al.   SCIENCE

The Active Site of Methanol Synthesis over Cu/ZnO/Al2O3 Industrial Catalysts

(2012) M. Behrens et al.   SCIENCE

Identification of the active species in the working alumina-supported cobalt catalyst under various conditions of Fischer–Tropsch synthesis

(2011) M. Sadeqzadeh et al.   CATALYSIS TODAY

In situ and operando structural characterisation of a Fischer–Tropsch supported cobalt catalyst

(2011) Amélie Rochet et al.   CATALYSIS TODAY

Recent advances in catalytic hydrogenation of carbon dioxide

(2011) Wei Wang et al.   CHEMICAL SOCIETY REVIEWS

Exploring Iron-based Multifunctional Catalysts for Fischer-Tropsch Synthesis: A Review

(2011) Sònia Abelló et al.   ChemSusChem

Promotional Effect of Copper on Activity and Selectivity to Hydrocarbons and Oxygenates for Fischer−Tropsch Synthesis over Potassium-Promoted Iron Catalysts Supported on Activated Carbon

(2011) Wenping Ma et al.   ENERGY & FUELS

New insights into the role of the electronic properties of oxide promoters in Rh-catalyzed selective synthesis of oxygenates from synthesis gas

(2011) Gonzalo Prieto et al.   JOURNAL OF CATALYSIS

Catalytic effects of ruthenium particle size on the Fischer–Tropsch Synthesis

(2011) Juan María González Carballo et al.   JOURNAL OF CATALYSIS

Mechanism of Methanol Synthesis on Cu through CO2and CO Hydrogenation

(2011) L. C. Grabow et al.   ACS Catalysis

Fundamental understanding of deactivation and regeneration of cobalt Fischer–Tropsch synthesis catalysts

(2010) A.M. Saib et al.   CATALYSIS TODAY

Towards Solar Fuels from Water and CO2

(2010) Gabriele Centi et al.   ChemSusChem

Heterogeneous catalytic CO2 conversion to value-added hydrocarbons

(2010) Robert W. Dorner et al.   Energy & Environmental Science

Catalytic conversion of biomass to biofuels

(2010) David Martin Alonso et al.   GREEN CHEMISTRY

Alumina-supported iron oxide nanoparticles as Fischer–Tropsch catalysts: Effect of particle size of iron oxide

(2010) Jo-Yong Park et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

Direct Evidence of Water-Assisted Sintering of Cobalt on Carbon Nanofiber Catalysts during Simulated Fischer−Tropsch Conditions Revealed with in Situ Mössbauer Spectroscopy

(2010) G. Leendert Bezemer et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Stability and Reactivity of ϵ−χ−θ Iron Carbide Catalyst Phases in Fischer−Tropsch Synthesis: Controlling μC

(2010) Emiel de Smit et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Methanation of carbon dioxide: an overview

(2010) Wang Wei et al.   Frontiers of Chemical Science and Engineering

Nanoscale Chemical Imaging of the Reduction Behavior of a Single Catalyst Particle

(2009) Emiel de Smit et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Opportunities and prospects in the chemical recycling of carbon dioxide to fuels

(2009) Gabriele Centi et al.   CATALYSIS TODAY

Combined XRD and XANES studies of a Re-promoted Co/γ-Al2O3 catalyst at Fischer–Tropsch synthesis conditions

(2009) Magnus Rønning et al.   CATALYSIS TODAY

In situXRD investigation of the evolution of alumina-supported cobaltcatalysts under realistic conditions of Fischer-Tropsch synthesis

(2009) Héline Karaca et al.   CHEMICAL COMMUNICATIONS

CO2 methanation property of Ru nanoparticle-loaded TiO2 prepared by a polygonal barrel-sputtering method

(2009) Takayuki Abe et al.   Energy & Environmental Science

The teraton challenge. A review of fixation and transformation of carbon dioxide

(2009) Mette Mikkelsen et al.   Energy & Environmental Science

Insights into the nature of iron-based Fischer–Tropsch catalysts from quasi in situ TEM-EELS and XRD

(2009) S. Janbroers et al.   JOURNAL OF CATALYSIS

Meso- and nano-structuring of industrial Cu/ZnO/(Al2O3) catalysts

(2009) Malte Behrens   JOURNAL OF CATALYSIS

Cobalt particle size effects in Fischer–Tropsch synthesis: structural and in situ spectroscopic characterisation on reverse micelle-synthesised Co/ITQ-2 model catalysts

(2009) Gonzalo Prieto et al.   JOURNAL OF CATALYSIS

Local and long range order in promoted iron-based Fischer–Tropsch catalysts: A combined in situ X-ray absorption spectroscopy/wide angle X-ray scattering study

(2009) Emiel de Smit et al.   JOURNAL OF CATALYSIS

Insight into CH4Formation in Iron-Catalyzed Fischer−Tropsch Synthesis

(2009) Chun-Fang Huo et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

FexOy@C Spheres as an Excellent Catalyst for Fischer−Tropsch Synthesis

(2009) Guobin Yu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

The role of Cu on the reduction behavior and surface properties of Fe-based Fischer–Tropsch catalysts

(2009) Emiel de Smit et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Performance and characterization of Ru/Al2O3 and Ru/SiO2 catalysts modified with Mn for Fischer–Tropsch synthesis

(2008) Mohammad Nurunnabi et al.   APPLIED CATALYSIS A-GENERAL

The promoter effect of alkali in Fischer-Tropsch iron and cobalt catalysts

(2008) J. Gaube et al.   APPLIED CATALYSIS A-GENERAL

CO hydrogenation to mixed alcohols over co-precipitated Cu–Fe catalysts

(2008) Minggui Lin et al.   CATALYSIS COMMUNICATIONS

Fischer–Tropsch Synthesis: Reaction mechanisms for iron catalysts

(2008) Burtron H. Davis   CATALYSIS TODAY

The renaissance of iron-based Fischer–Tropsch synthesis: on the multifaceted catalyst deactivation behaviour

(2008) Emiel de Smit et al.   CHEMICAL SOCIETY REVIEWS

Fe-based Fischer–Tropsch synthesis catalysts containing carbide-forming transition metal promoters

(2008) Nattaporn Lohitharn et al.   JOURNAL OF CATALYSIS

Fischer−Tropsch Mechanism Revisited:  Alternative Pathways for the Production of Higher Hydrocarbons from Synthesis Gas

(2008) Oliver R. Inderwildi et al.   Journal of Physical Chemistry C

Effect of Confinement in Carbon Nanotubes on the Activity of Fischer−Tropsch Iron Catalyst

(2008) Wei Chen et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Nanoscale chemical imaging of a working catalyst by scanning transmission X-ray microscopy

(2008) Emiel de Smit et al.   NATURE

Land Clearing and the Biofuel Carbon Debt

(2008) J. Fargione et al.   SCIENCE

The Application of Zeolites and Periodic Mesoporous Silicas in the Catalytic Conversion of Synthesis Gas

(2008) Agustín Martínez et al.   TOPICS IN CATALYSIS

Studies on the reaction mechanism of the Fischer–Tropsch synthesis on iron and cobalt

(2007) J. Gaube et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL