RSC Advances  

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Heterogeneous articles published in the last 6 months

92 items - Showing page 1 of 4
Open Access Paper

Ni-based catalysts supported on Hbeta zeolite for the hydrocracking of waste polyolefins

High efficiency hydrocracking degradation of mixed polyolefin polymers is achieved under mild circumstances by Ni-based catalysts supported on Hbeta.

Graphical abstract: Ni-based catalysts supported on Hbeta zeolite for the hydrocracking of waste polyolefins
Open Access Paper

Catalytic performance of modified carbon black on methane decomposition for hydrogen production

Heat treatment changes the carbon structure, increasing the degree of graphitization and defects. Methane molecules gradually decompose at the graphitized edges of the carbon material (BAY clusters) to form ordered carbon and hydrogen.

Graphical abstract: Catalytic performance of modified carbon black on methane decomposition for hydrogen production
Open Access Paper

Characteristics of Fe/C catalysts based on pyrolysis of ferric citrate and its peroxymonosulfate activation performance to degrade sulfadiazine in water

Advanced oxidation techniques based on peroxysulfate activation have been paid much attention owing to their excellent performance in degrading stubborn pollutants in water.

Graphical abstract: Characteristics of Fe/C catalysts based on pyrolysis of ferric citrate and its peroxymonosulfate activation performance to degrade sulfadiazine in water
Open Access Paper

Synthesis and characterization of a green and recyclable arginine-based palladium/CoFe2O4 nanomagnetic catalyst for efficient cyanation of aryl halides

The utilization of magnetic nanoparticles in the fields of science and technology has gained considerable popularity.

Graphical abstract: Synthesis and characterization of a green and recyclable arginine-based palladium/CoFe2O4 nanomagnetic catalyst for efficient cyanation of aryl halides
Open Access Paper

A lost piece of the puzzle of the alkane cracking mechanism: a carbanion pathway on a solid base catalyst

The cracking of propane molecules via a thermal cracking process, a base-catalyzed process, and a strong-base-catalyzed process was studied by means of catalyst characterization and evaluation of catalyst performance.

Graphical abstract: A lost piece of the puzzle of the alkane cracking mechanism: a carbanion pathway on a solid base catalyst
Open Access Paper

Synergistic effect between In2O3 and ZrO2 in the reverse water gas shift reaction

The 75In2O3–25ZrO2 forms a solid solution structure, and can achieve 28% CO2 conversion and 96% CO selectivity during a 200 h-test.

Graphical abstract: Synergistic effect between In2O3 and ZrO2 in the reverse water gas shift reaction
Open Access Paper

Selective hydrogenolysis of 5-hydroxymethylfurfural to 2,5-dimethylfuran with high yield over bimetallic Ru–Co/AC catalysts

Catalytic hydrogenolysis of 5-hydroxymethylfurfural (HMF) to 2,5-dimethylfuran (DMF) has become a hot topic in the bioenergy field in recent years.

Graphical abstract: Selective hydrogenolysis of 5-hydroxymethylfurfural to 2,5-dimethylfuran with high yield over bimetallic Ru–Co/AC catalysts
Open Access Paper

An in situ phase transformation induced mesoporous heterointerface for the alkaline hydrogen evolution reaction

In situ phase transformation is achieved from single-phase Co3O4 to CoO/CoP hybrid phases, which acts as a highly efficient electrocatalyst for the hydrogen evolution reaction.

Graphical abstract: An in situ phase transformation induced mesoporous heterointerface for the alkaline hydrogen evolution reaction
Open Access Paper

Tailoring MIL-100(Fe)-derived catalyst for controlled carbon dioxide conversion and product selectivity

The impact of the active catalyst particle size on the CO2 hydrogenation and product selectivity is presented using MOF-derived Fe-based catalytic system.

Graphical abstract: Tailoring MIL-100(Fe)-derived catalyst for controlled carbon dioxide conversion and product selectivity
Open Access Paper

An efficient catalysis for the synthesis of pyrimido[1,2-a]benzimidazoles and 1-(benzothiazolylamino)methyl-2-naphthols using ZnO@SO3H@Tropine

An efficient, green method for one-pot three-component synthesis of pyrimido[1,2-a]benzimidazole and 1-(benzothiazolylamino)methyl-2-naphthol derivatives using a new nanoporous catalyst ZnO@SO3H@Tropine is reported. Advantages include, but are not limited to, simple work-up and high yields.

Graphical abstract: An efficient catalysis for the synthesis of pyrimido[1,2-a]benzimidazoles and 1-(benzothiazolylamino)methyl-2-naphthols using ZnO@SO3H@Tropine
Open Access Retraction

Retraction: High-performance sono/nano-catalytic system: CTSN/Fe3O4–Cu nanocomposite, a promising heterogeneous catalyst for the synthesis of N-arylimidazoles

Open Access Paper

Regulating oxygen vacancies by Zn atom doping to anchor and disperse promoter Ba on MgO support to improve Ru-based catalysts activity for ammonia synthesis

Zn doping promotes the formation of oxygen vacancy, which anchors and disperses Ba.

Graphical abstract: Regulating oxygen vacancies by Zn atom doping to anchor and disperse promoter Ba on MgO support to improve Ru-based catalysts activity for ammonia synthesis
Open Access Paper

The influence of hydrogen bonding on the structure of organic–inorganic hybrid catalysts and its application in the solvent-free epoxidation of α-olefins

Different reaction routes with the influence of hydrogen bonding and without hydrogen bonding.

Graphical abstract: The influence of hydrogen bonding on the structure of organic–inorganic hybrid catalysts and its application in the solvent-free epoxidation of α-olefins
Open Access Paper

Effect of defect-healing treatment on layered silicate precursors toward well-defined crosslinked frameworks

A defect-healed layered precursor of FER-type zeolite exhibited enhanced iron atom insertion in more homogeneous environments.

Graphical abstract: Effect of defect-healing treatment on layered silicate precursors toward well-defined crosslinked frameworks
Open Access Paper

Significantly enhanced catalytic performance of Pd nanocatalyst on AlOOH featuring abundant solid surface frustrated Lewis pair for improved hydrogen activation

The superior catalytic performance of Pd nanocatalysts in AlOOH-80 is attributed to solid surface frustrated Lewis pairs (ssFLP), which enhance hydrogen gas dissociation, improve Pd nanocatalyst hydrogenation, and result in high catalytic activity of Pd/AlOOH-80.

Graphical abstract: Significantly enhanced catalytic performance of Pd nanocatalyst on AlOOH featuring abundant solid surface frustrated Lewis pair for improved hydrogen activation
Open Access Paper

Optimizing methanol synthesis from CO2 using graphene-based heterogeneous photocatalyst under RSM and ANN-driven parametric optimization for achieving better suitability

Assessment of the performance of linear and nonlinear regression-based methods for estimating in situ catalytic CO2 transformations employing TiO2/Cu coupled with hydrogen exfoliation graphene (HEG) has been investigated.

Graphical abstract: Optimizing methanol synthesis from CO2 using graphene-based heterogeneous photocatalyst under RSM and ANN-driven parametric optimization for achieving better suitability
Open Access Paper

Synergistic effects of the bimetallic Ni–Fe systems and their application in the reductive amination of polyether polyols

We report the synthesis of xNi–yFe/γ-Al2O3 catalysts which were applied to the reductive amination of polypropylene glycol (PPG) for the preparation of polyether amine (PEA).

Graphical abstract: Synergistic effects of the bimetallic Ni–Fe systems and their application in the reductive amination of polyether polyols
Open Access Paper

Investigation into the impact of CeO2 morphology regulation on the oxidation process of dichloromethane

Four distinct CeO2 catalysts featuring varied morphologies (nanorods, nanocubes, nanoparticles, and nano spindle-shaped) were synthesized through a hydrothermal process and subsequently employed in the oxidation of dichloromethane (DCM).

Graphical abstract: Investigation into the impact of CeO2 morphology regulation on the oxidation process of dichloromethane
Open Access Paper

Influences of Ru and ZrO2 interaction on the hydroesterification of styrene

Interfacial Lewis acid–base pairs are commonly found in ZrO2-supported metal catalysts due to the facile generation of oxygen vacancies of ZrO2.

Graphical abstract: Influences of Ru and ZrO2 interaction on the hydroesterification of styrene
Open Access Paper

Alkaline earth modified activated carbon supported Cu catalysts with enhanced selectivity in the hydrogenation of dimethyl oxalate to methyl glycolate

In this work, the effect of alkaline earth metal modification on the catalytic performance of activated carbon supported Cu was investigated.

Graphical abstract: Alkaline earth modified activated carbon supported Cu catalysts with enhanced selectivity in the hydrogenation of dimethyl oxalate to methyl glycolate
Open Access Paper

Sulfur-doped activated carbon for the efficient degradation of tetracycline with persulfate: Insight into the effect of pore structure on catalytic performance

Sulfur-doped activated carbon has proved to be a promising metal-free catalyst for persulfate (PDS) catalytic activation for the oxidation of aqueous refractory organics.

Graphical abstract: Sulfur-doped activated carbon for the efficient degradation of tetracycline with persulfate: Insight into the effect of pore structure on catalytic performance
Open Access Paper

Fe3O4@SiO2 core/shell functionalized by gallic acid: a novel, robust, and water-compatible heterogeneous magnetic nanocatalyst for environmentally friendly synthesis of acridine-1,8-diones

An efficient route for the construction of acridine-1,8-diones using Fe3O4@SiO2 core/shell functionalized by sulfonated gallic acid as a robust heterogeneous catalyst.

Graphical abstract: Fe3O4@SiO2 core/shell functionalized by gallic acid: a novel, robust, and water-compatible heterogeneous magnetic nanocatalyst for environmentally friendly synthesis of acridine-1,8-diones
Open Access Paper

Multicomponent synthesis via acceptorless alcohol dehydrogenation: an easy access to tri-substituted pyridines

The multicomponent synthesis of 2,4,6-trisubstituted pyridine via acceptorless alcohol dehydrogenation using ammonium acetate as a nitrogen source catalyzed by hydroxyapatite-supported palladium nanoparticles as a heterogeneous catalyst.

Graphical abstract: Multicomponent synthesis via acceptorless alcohol dehydrogenation: an easy access to tri-substituted pyridines
Open Access Paper

Hydrogenation of cyclohexene over single-atom Pt or Pd incorporated porous ceria nanoparticles under solvent-free conditions

Single-atom Pt or Pd incorporated porous CeO2 nanoparticles was prepared through one-step flash-combustion technique. The prepared catalysts exhibited high activity in the hydrogenation of cyclohexene under solvent-free conditions.

Graphical abstract: Hydrogenation of cyclohexene over single-atom Pt or Pd incorporated porous ceria nanoparticles under solvent-free conditions
Open Access Paper

Synthesis of some derivatives of 1,8-dioxo-octa-hydro xanthene and 9-aryl-hexahydro acridine-1,8-dione using metal ion-exchanged NaY zeolite as heterogeneous catalyst

This is a process for producing xanthene and acridine derivatives. It uses copper metal catalysts supported by de-alumination zeolite-NaY. The process is conducted in a single pot and solvent-free conditions and does not require toxic reagents.

Graphical abstract: Synthesis of some derivatives of 1,8-dioxo-octa-hydro xanthene and 9-aryl-hexahydro acridine-1,8-dione using metal ion-exchanged NaY zeolite as heterogeneous catalyst
92 items - Showing page 1 of 4

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