Applied Catalysis A: General 454 (2013) iii–viii

10.1016/S0926-860X(13)00106-3

Contents lists available at ScienceDirect

Applied Catalysis A: General

journal homepage: www.elsevier .com/locate/apcata

Contents

Articles

One-pot catalytic conversion of Nordic pulp media into green platform chemicalsJohan Ahlkvista, Samikannu Ajaikumara, William Larssona, Jyri-Pekka Mikkolaa,b

aTechnical Chemistry, Department of Chemistry, Chemical-Biological Center, Umeå University, SE-901 87

Umeå, Sweden bLaboratory of Industrial Chemistry and Reaction Engineering, Process Chemistry Center, Åbo Akademi

University, FI-20500 Åbo-Turku, Finland

� Comparison of Nordic pulp as raw material for green platform chemicals. � A low-cost heterogeneous catalyst, Amberlyst 70, was used as a recyclable catalyst. � The yield of both levulinic and formic acids obtained was around 50–55%. � The hydrolytic system operates without energy-intensive pre-treatment procedures.

Applied Catalysis A: General, 454 (2013) 21

Silica encapsulated magnetic nanoparticles-supported Zn(II) nanocatalyst: A versatile integration of excellent reactivity and selectivity for the synthesis of azoxyarenes, combined with facile catalyst recovery and recyclabilityR.K. Sharma, Yukti Monga

Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi 11007, India

� Novel silica based magnetically recoverable zinc nanocatalyst synthesized by grafting method. � Characterizations and application of organic–inorganic hybrid catalyst. � Effi cient method for the oxidation of aromatic amines to yield azoxyarenes. � Catalyst shows high activity and selectivity for concurrent six reactions. � Easy recyclability of catalyst using external magnet.


Synthesis, characterization and catalytic activity toward dye decolorization by manganese (II) mononuclear complexesCamila A. Wegermanna, Paola Strapassona, Stela M.M. Romanowskia, Adailton Bortoluzzib, Ronny R. Ribeiroa, Fábio S. Nunesa, Sueli M. Drechsela

aDepartamento de Química, Universidade Federal do Paraná, Cx. Postal 19081, 81531-990 Curitiba,

PR, Brazil bDepartamento de Química, Universidade Federal de Santa Catarina, 88040-900 Florianópolis, SC, Brazil

� Dye decolorization reactions using manganese complexes as catalysts. � Complete structural characterization of the catalysts. � Radical scavenger tert-BuOH reduces reaction rates indicating a radical mechanism. � MnIV and MnIIIMnIV species detected in reaction medium by EPR spectroscopy.


iv Contents

Photocatalytic activity of aqueous WO3 sol for the degradation of Orange II and 4-chlorophenolSuzuko Yamazaki, Taiki Yamate, Kenta Adachi

Division of Environmental Science and Engineering, Graduate School of Science and Engineering, Yamaguchi

University, Yamaguchi 753-8512, Japan

� Orange II was degraded photocatalytically in aqueous WO3 sol. � Effect of various reaction conditions on the degradation rate was examined. � Mechanism and rate law were proposed to account for the obtained kinetic data. � Mixing of WO3 with TiO2 enhanced signifi cantly the degradation rate. � Enhancement of activity by mixing sols was confi rmed for the degradation of 4-CP.

Benzene reduction in gasoline by alkylation with propylene over MCM-22 zeolite with a different Brønsted/Lewis acidity ratiosGeorgina C. Laredo, Roberto Quintana-Solórzano, J. Jesús Castillo, Héctor Armendáriz-Herrera, Jose Luis Garcia-Gutierrez

Programa de Procesos de Transformacion, Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152,

Mexico D.F., C.P. 07730, Mexico

� Two MCM-22 zeolites with different Brønsted/Lewis ratio were prepared. � The catalysts were tested in the alkylation of the benzene present in a real feed. � The catalyst with the higher B/L ratio was much more resistant to deactivation. � The higher stability of the catalyst depended mostly on the Brønsted/Lewis ratio. � Location of the active sites appears to have an important role in the deactivation.


Robust bimetallic Pt–Ru catalysts for the rapid hydrogenation of toluene and tetralin at ambient temperature and pressureJessica N.G. Stanley, Falk Heinroth, Cameron C. Weber, Anthony F. Masters, Thomas Maschmeyer

Laboratory of Advanced Catalysis for Sustainability, School of Chemistry, F11 The University of Sydney,

Sydney, NSW 2006, Australia

� Alloy nanoparticles of Pt–Ru were synthesised. � The complete catalyst synthesis was performed in air. � Toluene was hydrogenated under ambient conditions and with no special precautions. � The alloy with a molar ratio of 1 Pt to 1.5 Ru was much more active than either of the metals by themselves. � The synergistic alloy may hold the key to a simple reversible hydrogen storage system, operating under mild conditions.


Catalytic activity of Au/TiO2 and Pt/TiO2 nanocatalysts prepared with arc plasma deposition under CO oxidationSang Hoon Kima, Chan-Ho Jungb,c, Nruparaj Sahub,c, Dahee Parkb,c, Jung Yeul Yund, Heonphil Haa, Jeong Young Parkb,c

aCenter for Materials Architecturing, Korea Institute of Science and Technology (KIST), Seoul 136-791,

Republic of Korea bGraduate School of EEWS (WCU) and Nanocentury KI, KAIST, Daejeon 305-701, Republic of Korea cCenter for Nanomaterials and Chemical Reactions, Institute for Basic Science, Daejeon 305-701, Republic of Korea dFunctional Materials Division, Korea Institute of Materials Science (KIMS), Chang-won 641-831, Republic of Korea

� Novel synthesis of nanocatalysts fabricated by arc plasma deposition is reported. � The particle size of the gold nanoparticles can be controlled by APD voltage. � The catalytic activity of the Au/TiO2 samples showed size dependence.



Contents v

Metal cations intercalated titanate nanotubes as catalysts for �,� unsaturated esters productionNeilson M. dos Santosa, Jardel M. Rochab, Jose M.E. Matosb, Odair P. Ferreirac, Josué M. Filhoc, Bartolomeu C. Vianad, Alcineia C. Oliveirae

aUniversidade Federal do Piaui, Ciências dos Materiais, Teresina, Piauí, Brazil bUniversidade Federal do Piauí, Departamento de Química, Teresina, Piauí, Brazil cUniversidade Federal do Ceará, Campus do Pici-Bloco 922, Departamento de Física, Fortaleza, Ceará, Brazil dUniversidade Federal do Piaui, Departamento de Física, Teresina, Piauí, Brazil eUniversidade Federal do Ceará, Campus do Pici-Bloco 940, Departamento de Química, Fortaleza, Ceará, Brazil

� TNTs were synthesized by hydrothermal treatment. � Cu, Co, Ce or La nanoparticles-containing TNT were characterized by BET XRD, TEM and Raman measurements. � Ce and La were active in the �,�-unsaturated esters production. � Accessibility of the nanoparticles on TNT surface resulted in best catalytic performances.

C2-oxygenates synthesis through CO hydrogenation on SiO2-ZrO2 supported Rh-based catalyst: The effect of supportLupeng Han, Dongsen Mao, Jun Yu, Qiangsheng Guo, Guanzhong Lu

Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering, Shanghai

Institute of Technology, Shanghai 201418, PR China

� SiO2-ZrO2 supported catalyst exhibited better activity and C2 oxygenates selectivity. � SiO2-ZrO2 supported catalyst has higher dispersion of Rh. � SiO2-ZrO2 supported catalyst has more Rh� sites for CO insertion. � SiO2-ZrO2 supported catalyst promotes CO dissociation. � SiO2-ZrO2 supported catalyst has moderate ability for hydrogenation.


Photodegradation of p-nitrophenol using octahedral Cu2O particles immobilized on a solid support under a tungsten halogen lampWei Zhaia, Fengqiang Suna,b,c, Wei Chena, Zizhao Pana, Lihe Zhanga, Shaohua Lia, Shuilan Fenga, Yiyi Liaoa, Weishan Lia

aSchool of Chemistry and Environment, South China Normal University, Guangzhou 510006, PR China bEngineering Research Center of Materials and Technology for Electrochemical Energy Storage, Ministry of

Education, South China Normal University, Guangzhou 510006, PR China cKey Laboratory of Theoretical Chemistry of Environment, Ministry of Education, South China Normal University,

PR China

� Octahedral Cu2O particles on ITO glass were used in photodegradation of pollutants. � They showed high abilities in degradation of p-nitrophenol in the presence of H2O2. � The light, the Cu2O particle and the added H2O2 all acted dual roles. � Such particles could be easily recycled with steady high activity. � The particles could be used in degradation of other phenolic pollutants.

The adsorption and reaction of alcohols on TiO2 and Pd/TiO2 catalystsHasliza Bahrujia,b, Michael Bowkera,c, Catherine Brookesa,c, Philip R. Daviesa, Ibrahim Wawataa

aCardiff Catalysis Institute, School of Chemistry, Cardiff University, Cardiff CF10 3AT, United Kingdom bFaculty Science and Mathematics, Universiti Pendidikan Sultan Idris, 35900 Tanjong Malim, Perak, Malaysia cCentre for Catalytic Science, Research Complex at Harwell (RCaH), Rutherford Appleton Laboratory,

Harwell, Oxon, OX11 0F, United Kingdom

� We report decomposition pathways for alcohol decomposition on titania and Pd–TiO2. � These catalysts are active for photocatalytic reforming and hydrogen production. � Two dehydration pathways are identifi ed on titania, monomolecular and bimolecular. � With Pd addition pathways are changed to mainly dehydrogenation/decarbonylation. � We suggest that reverse spillover of ethoxy occurs from the support to the metal nanoparticles.




vi Contents

A novel hydrofobic niobium oxyhydroxide as catalyst: Selective cyclohexene oxidation to epoxidePoliane Chagasa, Henrique S. Oliveiraa, Raquel Mambrinia, Mireille Le Hyaricb,Mauro V. de Almeidab, Luiz C.A. Oliveiraa

aDepartment of Chemistry, Federal University of Minas Gerais, Av. Antonio Carlos 6627, 31270-901,

Belo Horizonte, MG, Brazil bDepartment of Chemistry, Federal University of Juiz de Fora, 36033-600, Juiz de Fora, MG, Brazil

� It was produced a modifi ed niobia with high catalytic capacity for cyclohexene oxidation using hydrogen peroxide. � Niobium oxyhydroxide has been modifi ed and studied as a heterogeneous catalyst for cyclohexene epoxidation. � The material was treated with hydrogen peroxide to generate oxidizing groups (peroxo species) on the surface.

Catecholase activity investigations using in situ copper complexes with pyrazole and pyridine based ligandsA. Mouadilia, A. Attayibatb, S. El Kadiria, S. Radib, R. Touzania,c

aLCAE-URAC18, COSTE, Faculté des Sciences, Université Mohammed Premier, BP: 524, 60 000 Oujda,

Morocco bLCOMPN-URAC25; Faculté des Sciences, Université Mohamed Premier, BP 524, 60000 Oujda, Morocco cFaculté Pluridisciplinaire de Nador, Université Mohammed Premier, BP: 300, Selouane 62700, Nador,

Morocco

� All copper complexes formed in situ catalyze the oxidation reaction of catechol. � Oxidation reaction rate depends on four parameters. � The highest rate activity is given by L4 [Cu(CH3COO)2].


Oxidative coupling of methane over unsupported and alumina-supported samaria catalystsTrenton W. Elkins, Helena E. Hagelin-Weaver

Department of Chemical Engineering, University of Florida, Gainesville, FL, United States

� Smallest Sm2O3 nanoparticles yield highest OCM activity per unit weight of catalyst. � Incipient wetness impregnation using Sm(NO3)3 best method for Sm2O3/Al2O3. � Sm2O3/n-Al2O3(�)-IM produces the highest yield at 5.6% for supported catalysts. � Yield per gram of Sm2O3 is higher for Sm2O3/n-Al2O3(�) than Sm2O3 NPs.


Plasma-chemically brominated single-walled carbon nanotubes as novel catalysts for oil hydrocarbons aerobic oxidationEldar Zeynalova, Joerg Friedrichb, Asmus Meyer-Plathb, Gundula Hiddeb, Lyatif Nuriyeva, Aygun Aliyevaa, Yutta Cherepnovaa

aNational Academy of Sciences of Azerbaijan, Institute of Petrochemical Processes, Khojaly Avenue 30,

AZ 1025 Baku, Azerbaijan bFederal Institute of Materials Research and Testing (BAM), Division 6.6 “Polymer Surfaces”, Unter den

Eichen 87, 12205 Berlin, Germany

� Carbon nanotubes were plasma brominated (6 at%). � Strong acceleration of the model oxidation of cumene. � Higher catalytic activity than industrial catalysts.



Contents vii

Temperature effects in benzene alkylation with ethane into ethylbenzene over a PtH-MFI bifunctional catalystKae S. Wong, Tanya Vazhnova, Sean P. Rigby, Dmitry B. Lukyanov

Catalysis and Reaction Engineering Group, Department of Chemical Engineering, University of Bath,

Claverton Down, Bath BA2 7AY, UK

� Coupling of ethane dehydrogenation (1) and benzene alkylation with ethene (2). � At temperatures below ~370 °C formation of ethylbenzene is limited by step (1). � At temperatures above ~410 °C formation of ethylbenzene is limited by step (2). � Excessive formation of ethene above 410 °C leads to side products and deactivation. � Optimum reaction temperature range: 370–410 °C.

Phospha-Michael addition of diethyl phosphite to �,�-unsaturated malonates catalyzed by nano �-Fe2O3-pyridine based catalyst as a new magnetically recyclable heterogeneous organic baseSara Sobhani, Mahboobeh Bazrafshan, Amin Arabshahi Delluei, Zahra Pakdin Parizi

Department of Chemistry, College of Sciences, University of Birjand, Birjand 414, Iran

� A pyridine based catalyst supported on �-Fe2O3 nanoparticles was synthesized. � It was used as a recyclable catalyst for the synthesis of �-phosphonomalonates. � �-phosphonomalonates were obtained in good to high yields. � In this method, catalyst separation was easily performable by a magnetic bar.


Gold nanoparticles immobilized on lipoic acid functionalized SBA-15: Synthesis, characterization and catalytic applicationsNarani Ananda, Pochamoni Ramudua, Kannapu Hari Prasad Reddya, Kamaraju Seetha Rama Raoa, Bharatam Jagadeeshb, Vemulapalli Sahithya Phani Babub, David Raju Burria

aCatalysis Laboratory, I & PC Division, Indian Institute of Chemical Technology, Hyderabad-500 007, India bNMR Division, Indian Institute of Chemical Technology, Hyderabad-500 007, India

� SBA-LAG is a new hexagonally ordered mesoporous heterogeneous catalyst. � Lipoic acid spacer acts as anchoring point to SBA-15 and capping agent for AuNPs. � SBA-LAG is a solvent-free and leaching-free catalyst. � SBA-LAG is a highly effi cient catalyst for propargylamines synthesis. � SBA-LAG is a stable catalyst and minimizes diffusion limitations.

Liquid phase chemo-selective catalytic hydrogenation of furfural to furfuryl alcoholRajesh V. Sharma, Umashankar Das, Ramaswami Sammynaiken, Ajay K. Dalai

Catalysis and Chemical Reaction Engineering Laboratories, Department of Chemical and Biological

Engineering, University of Saskatchewan, Saskatoon, SK, S7N 5A9, Canada

� A Cu–Cr based catalyst was modifi ed with the addition of Zn and Zr as promoters. � Addition of Zn increases the activity of the catalyst. � Selectivity of the furfuryl alcohol is increased by the addition of Zr. � The apparent activation energy is found to be 24.4 kcal/mol. � Catalyst is recyclable.




viii Contents

Ethylene oligomerization using nickel-�-diimine hybrid xerogels produced by the sol–gel processEnéderson Rossetto, Marcela Caovilla, Daniel Thiele, Roberto F. de Souza, Katia Bernardo-Gusmão

Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, P.O. Box

15003, CEP 91501-970 Porto Alegre, Brazil

� Three �-diimine ligands and their corresponding nickel-complexes were synthesized. � Hybrid silica containing �-diimine groups were prepared by sol–gel process. � Hybrid silica were complexed with nickel to form heterogenized nickel-complex. � Ethylene oligomerization using nickel-�-diimines was described. � Ligands nature were correlated with the catalytic activity and selectivity.

Polyethylene glycol (PEG-200)-promoted sustainable one-pot three-component synthesis of 3-indole derivatives in waterLeilei Wang, Manna Huang, Xinhai Zhu, Yiqian Wan

School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China

� A sustainable protocol for synthesis of 3-indole derivatives was established. � Reaction of indoles, aldehydes, malononitrile was promoted by PEG-200 in water. � The metal catalysts such as copper or indium are not required in this protocol. � The reaction media can be reused four times without erosion of the yield. � The target products often can be easily isolated by simple fi ltration.


Tetramethylguanidine–silica nanoparticles as an efficient and reusable catalyst for the synthesis of cyclic propylene carbonate from carbon dioxide and propylene oxideFarook Adam, Muazu Samaila Batagarawa

School of Chemical Sciences, Universiti Sains Malaysia, 11800 Penang, Malaysia

� Silica from rice husk ash was functionalized with tetramethylguanidine. � The catalyst consisted of nanoparticles. � The catalyst aided the cycloaddition of CO2 to propylene oxide. � 98% selectivity toward propylene carbonate was achieved with the catalyst. � Catalyst was recycled several times and found to be stable and effi cient.



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