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961
Photocatalytic Behavior of Supported Copper Double Salt: The Role of Graphene Oxide
Published 2022-01-01“…The photodegradation process followed a pseudo–first-order kinetics for the bare catalysts, but the supported catalysts were best fitted to the Langmuir-Hinshelwood model. …”
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962
Predicting electrocatalytic urea synthesis using a two-dimensional descriptor
Published 2025-02-01“…To guide the identification of highly selective catalysts, we aim to provide new insight by analysing existing experimental data on the selectivity of transition metal catalysts towards electrochemically synthesized urea. …”
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963
Low-Temperature Reverse Microemulsion Synthesis, Characterization, and Photocatalytic Performance of Nanocrystalline Titanium Dioxide
Published 2012-01-01“…After aging for 6 h, the amorphous TiO2 began to change into anatase. The obtained catalysts, which were synthesized in microemulsions with weight ratios of n-hexanol/CTAB/water as 6 : 3 : 1 and calcined at 500°C, presented the highest photocatalytic degradation rate on methyl orange (MO), while the catalysts, which were aged at 65°C for 90 h, also exhibited an outstanding photocatalytic performance and a little higher than that of the commercial titania photocatalyst Degussa P25.…”
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964
Adsorbate-driven dynamic active sites in stannosilicate zeolites
Published 2025-01-01“…Elucidating the nature of the active sites in heterogeneous catalysts is fundamental for understanding their reactivity and catalytic performances. …”
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965
RESOURCES-ECONOMY TECHNOLOGY OF CASTINGS PRODUCTION OF NICKEL-CONTAINING CAST-IRONS
Published 2008-05-01“…The technological process of the cast-iron IChH28H2 alloying by means of insertion into burden composition of briquettes of dead nickel-chromic catalysts is developed. This technology allows to carry out recycling of expensive metals such as nickel, and in that way to decrease the cost price of castings.…”
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966
COFcap2, a recyclable tandem catalysis reactor for nitrogen fixation and conversion to chiral amines
Published 2025-01-01“…Abstract Two or more catalysts conducting multistep reactions in the same reactor, concurrent tandem catalysis, could enable (bio)pharmaceutical and fine chemical manufacturing to become much more sustainable. …”
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967
PRODUÇÃO DE BIONAFTA A PARTIR DE ÁLCOOIS PRIMÁRIOS (C3-C5) VIA PROCESSOS DE DESIDROGENAÇÃO/DESIDRATAÇÃO CATALÍTICA
Published 2025-02-01“…A sequence of dehydrogenation/dehydration reactions of homologous alcohols: propanol, butanol and pentanol was conducted using heterogeneous catalysts composed of mixed metal oxides basically of Mg and Al derived from hydrotalcites in the ratio M2+/Al3+ = 3, with 10 and 20% of the Mg substituted by Cu. …”
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968
Cobalt and Nickel Complexes Bearing 2-(2-pyridyl)-Benzimidazole: Synthesis and Ethylene Oligomerization
Published 2005-01-01“…Treatment of the complexes with methylaluminoxane (MAO) leads to active catalysts for ethylene oligomerization. The oligomers were olefins from C2 to C6.…”
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969
Catalytic β-Bromohydroxylation of Natural Terpenes: Useful Intermediates for the Synthesis of Terpenic Epoxides
Published 2019-01-01“…In a one-step procedure, various β-bromoalcohols were synthesized from natural terpenes in good to excellent yields. Using different catalysts, the reaction was carried out at room temperature, with H2O as nucleophile and N-bromosuccinimide as a bromine source under mild reaction conditions. …”
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970
Novel Mesoporous Silica Materials with Hierarchically Ordered Nanochannel: Synthesis with the Assistance of Straight-Chain Alkanes and Application
Published 2016-01-01“…The textural properties, particularly pore size, channel structure, morphology, and hierarchical structure of those MSM make them demonstrate peculiar effects in the immobilization of homogeneous catalysts.…”
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971
Simulation of Surface Segregation in Nanoparticles of Pt-Pd Alloys
Published 2025-01-01“…These nanocatalysts excel in direct methanol fuel cells (DMFCs) and direct ethanol fuel cells (DEFCs) by promoting alcohol oxidation and reducing CO poisoning. Pt-Pd catalysts are also being explored for their oxygen reduction reaction (ORR) on the cathodic side of fuel cells, showing higher activity and stability than pure platinum. …”
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972
Preparation and Photocatalytic Activity of Ag Modified Ti-Doped-Bi2O3 Photocatalyst
Published 2014-01-01“…The photocatalytic activities of the catalysts were evaluated for the degradation of crystal violet (CV) under UV light irradiation. …”
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973
Social Justice Work in the University: Understanding Student and Staff Perceptions and Aspirations for Decolonising the Curriculum from a University-Wide Survey
Published 2025-01-01“…These movements have served as catalysts for universities to rethink their commitments to social justice. …”
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974
Photocatalytic Decomposition of Methyl Red Dye by Using Nanosized Zinc Oxide Deposited on Glass Beads in Various pH and Various Atmosphere
Published 2013-01-01“…This photodegradation was investigated in water in neutral, alkaline, and acidic media under external UV light irradiation by zinc oxide nanosized catalysts on granule glass. The effect of four atmosphere types including air, nitrogen, oxygen, and argon was investigated. …”
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975
The Oxidation of 2,4,6-Trinitrotoluene with an Ozone-Oxygen Mixture: A Simple Method for Preparation of 1,3,5-Trinitrobenzene
Published 2013-01-01“…The oxidation of 2,4,6-trinitrotoluene (TNT) to 1,3,5-trinitrobenzene (TNB) in one step, 2,4,6-trinitrobenzoic acid (TNBA), and 2,4,6-trinitrobenzaldehyde (TNBAl) with an ozone-oxygen mixture in different solvents, catalysts, and temperatures has been investigated. …”
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976
Alkene Cleavage Catalysed by Heme and Nonheme Enzymes: Reaction Mechanisms and Biocatalytic Applications
Published 2012-01-01“…Ozonolysis requires harsh conditions (−78°C, for a safe process) and reducing reagents in a molar amount, whereas the use of poisonous heavy metals such as Cr, Os, or Ru as catalysts is additionally plagued by low yield and selectivity. …”
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977
Protein-Lipid Interactions in Different Meat Systems in the Presence of Natural Antioxidants – a Review
Published 2017-03-01“…Attention is paid to the agents which may determine the reaction of amino acids with the products of lipid oxidation, i.e. the presence of catalysts or inhibitors in the environment, the presence of water, pH of the environment, temperature or reaction time. …”
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978
Dioxazolones as electrophilic amide sources in copper-catalyzed and -mediated transformations
Published 2025-01-01“…Among the 3d transition metals, copper catalysts have been gaining increasing attention owing to their abundance, cost-effectiveness, and sustainability. …”
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979
Zeolite Y: Synthesis, Modification, and Properties—A Case Revisited
Published 2014-01-01“…Y zeolites dealuminated by steaming were introduced as fluid-cracking catalysts in the year 1970. Extensive research has been done to develop suitable dealumination techniques, to investigate crystal structure, and to characterize catalytic behaviour. …”
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980
A Review of Urea Pyrolysis to Produce NH3 Used for NOx Removal
Published 2019-01-01“…From the review, it could be concluded that although much research has been carried out, concentration was mainly in analysis of urea pyrolysis products and exploration of catalysts used to improve ammonia yields. Little work has been done on mechanism study and development of a kinetic model with high accuracy, which are still in great need nowadays.…”
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