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200 articles for “Catalysts”
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Nanoyeast Supported on Silica Gel for The Continuous Flow Bioethanol Production
Abstract: Nanomaterials outperform their bulk counterparts. Yet, production of nanomaterials, especially, nanoyeast is a challenge and is an upcoming field. Yeast is a fungal strain that consumes carbohydrates (glucose, sucrose, molasses and the like) and produces bioethanol, a potential transportation fuel. Impregnation methods are well known in catalysis to yield nanomaterials via better dispersion. An attempt has been made to modulate the size of yeast to increase the efficiency of carbohydrate …
Published in International Journal of Advance in Molecular Engineering · Vol. 2, Issue 1, 2024 · pp. 1–7 Read article
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Chemical Methods for Mitigating Plastic Pollution from the Environment
Abstract: Plastic pollution is a critical environmental concern that affects both terrestrial and marine ecosystems worldwide. Traditional recycling methods have been inadequate in tackling the escalating plastic waste problem, leading to an exploration of chemical recycling techniques as innovative solutions. Chemical recycling involves breaking down polymers into their monomers or converting them into valuable products, offering the potential for more sustainable waste management. This review examines key chemical recycling methods, including …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 2, 2024 · pp. 1–4 Read article
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Synthesis and characterization of mixed SnO2-ZnO Nano composites material to study the kinetics of catalytic reduction of Aromatic Nitro compounds
Abstract: A straightforward and cost-effective method was employed to synthesize zinc oxide (ZnO) nanostructures supported on tin oxide (SnO₂) for catalytic applications. This hybrid nanocomposite, formed by integrating ZnO with SnO₂, exhibited impressive catalytic activity in the reduction of various nitro compounds. The synergistic interaction between ZnO and SnO₂ significantly enhanced the surface area and active sites of the catalyst, thereby improving its overall efficiency. The resulting SnO₂-ZnO nanocomposite not only …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 15, Issue 3, 2025 · pp. 8–14 Read article
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Catalytic Degradation of Polymers Using Metal Oxides (Zno, Cuo): A Sustainable Approach
Abstract: The growing accumulation of synthetic polymeric waste, especially plastics, has become one of the most pressing environmental challenges due to their non-biodegradable nature and long-lasting presence in ecosystems. This issue is compounded by the widespread use of plastic materials in various industries, resulting in vast amounts of plastic waste that contribute to environmental pollution, clog waterways, and pose threats to wildlife. As global plastic production continues to rise, the need …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1052–1062 Read article
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Recent Advancements and Current Status of Hydrogen Fuel Cells: Materials, Systems, Applications, and Commercialization Prospects
Abstract: In the transportation, stationary electricity, and industrial sectors, hydrogen fuel cells have become a crucial clean-energy technology that can help achieve worldwide decarbonization. Significant progress has been made in catalyst design, membrane engineering, stack architecture, system optimization, and hydrogen generation pathways throughout the last ten years (2018–2025). Platinum group metal (PGM) loading has been significantly reduced, single-atom and transition-metal-nitrogen-carbon (M-N-C) catalysts for oxygen reduction have been developed (Wu et al., …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 3, Issue 2, 2025 · pp. 6–24 Read article
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Sustainable Carbon Materials for Catalysis, Energy Conversion, and Environmental Remediation
Abstract: Among the most ancient and adaptable materials used by humans, carbon finds use in a wide range of industries, including electronics, energy production, medicine, water purification, air filtration, and catalysis. Among them, activated carbon's highly developed microporous structure, remarkably large specific surface area, and adjustable surface functions have drawn a great deal of attention from both science and industry. Activated carbon materials have been widely used as molecular sieves, adsorbents …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 2, 2026 · pp. 47–52 Read article
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Analysis of Diethanolamide Reaction by using FTIR Technique
Abstract: The purpose of this work is to study the amidification reaction for production of diethanolamide from ethyl acetate and diethanolamine by using sulfuric acid catalyst. The amidation, which is the reaction between ethyl acetate and diethanolamine, was held in a glass batch reactor with mole ratio 1:1 using acid catalyst (H2SO4) 0.5% (w/w) and 200 rpm stirring. The reaction temperature is 160°C constant, and sampling was performed after every 30 …
Published in Journal of Catalyst & Catalysis · Vol. 3, Issue 1, 2016 · pp. 7–10 Read article
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Catalysis by Iridium (III) in the Oxidation of Hydrocarbons and Cyclic Alcohols by in situ Prepared Sodium Ferrate
Abstract: Potassium ferrate can be used as an oxidant only after separating it in the solid form for which tedious and multi-step process involving hazardous chemicals is required. Problems of separation of potassium ferrate in the solid form and its storage can be minimized if in situ prepared sodium ferrate is used as an oxidant which easily oxidizes hydrocarbons and cyclic alcohols from the synthetic point of view. Surprisingly, addition of …
Published in Journal of Catalyst & Catalysis · Vol. 3, Issue 1, 2016 · pp. 25–31 Read article
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Ru(III)-Catalyzed Oxidative Cleavage of Ritodrine Hydrochloride: A Kinetic and Mechanistic Study
Abstract: A systematic kinetic and mechanistic study of the oxidation of ritodrine hydrochloride (RTH) with chloramine-T (CAT) in both HClO4 and NaOH media has been carried out at 303 K. In acid medium, the reaction rate is very sluggish to be measured kinetically. Ruthenium (III) chloride ([Ru(III)]) was found to be an efficient catalyst. The reaction rate exhibits a first-order dependence on [CAT]0 in both media. It shows a fractional-order on …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 29–40 Read article
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Production of liquid fuel from waste plastic using batch catalytic pyrolysis process
Abstract: Waste polystyrene from households and retailing shops are recognized to be the major sources of environmental problem. On the other hand, it represents a source of energy and valuable chemical products. Pyrolysis as a technique of chemical recycling of waste plastic is as an environmentally and economically acceptable option for converting waste plastics into useful resources. In this study, the operating conditions studied were; temperature was varied from 430 to …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 2, 2019 · pp. 34–43 Read article
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Synthesis of Biodiesel fuel additive from Glycerol using Cationic ion exchange resin- A review
Abstract: With the alarming increasing of oil consumption and the number of automotives being instilled, there has been immense research taking place to find a sustainable fuel to replace the current fossil fuels and also not render the current automotives obsolete. The current favorable solution to this is Biodiesel which can be generated either from oil seeds or waste vegetable oils. The selectivity of this process is 90% and the byproduct …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 3, 2019 · pp. 1–8 Read article
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Catalysed Biofuels Using Vegetable Oils and Animal Fats
Abstract: It is a first to use biochemical modification of fats to create fuel for transport. The chemical transformation is required to produce products that are more useful and have qualities similar to those of crude oil-derived fuels. Biodiesel (a combination of methyl esters produced by transesterification) and green diesel are the two forms of fuels discussed (paraffins produced by hydrogenation of oils). Three bio-lubricant synthesis strategies are also discussed. Biofuels …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 1, 2022 · pp. 30–34 Read article
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Past, Present and Future of FNB Mould System
Abstract: This review paper is dealing types of binders used in foundry industries. The different binders have advantages and limitations. This paper gives direction on selection of binder system in different metals. This mainly focuses on selection, advantages and limitations in motor body castings. The data was collected from Krislur Castomech Pvt. Ltd., Chitra G.I.D.C., Bhavnagar. The binder system improves productivity of foundry industries by reducing process cycle time. FNB system …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 1, 2018 · pp. 10–16 Read article
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Predicting Rate Equation for the Synthesis of Octadec-9-Enoic Acid Methyl Esters by the Methanolysis of Pongamia Pinnata Triglycerides Using Sono Reactor
Abstract: In the present work, octadec-9-enoic acid methyl esters are synthesized from pongamia pinnata oil using methanolysis in sono reactor. The rate equation is predicted for the methanolysis reaction. The produced methyl esters from pongamia pinnata oil confirmed to ASTM D6751 standards. Fourier Transform Infrared Analysis and Gas Chromatography Mass Spectrometry were used to characterise the methyl esters. The rate is dependent greatly on methanol concentration, and then on catalyst concentration …
Published in Journal of Polymer & Composites · Vol. 9, Issue 3, 2021 · pp. 45–55 Read article
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AI-Assisted Kinetic Modeling of PLA Hydrolysis Under Subcritical Water Conditions for Sustainable Polymer Recycling
Abstract: The accumulation of poly (lactic acid) (PLA) in terrestrial and marine ecosystems has intensified the demand for closed-loop, green recycling technologies. Subcritical water (SCW) hydrolysis offers a promising, catalyst-free pathway for the rapid depolymerization of PLA into its constituent monomer, lactic acid. However, the complex, highly non-linear kinetics governing macro-molecular degradation under variable hydrothermal conditions limit real-time process optimization and industrial scalability. This study develops a novel artificial intelligence (AI)-assisted …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 2, 2026 · pp. 65–74 Read article
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Domino Reaction for the Synthesis of Nitroolefin Heterocyclic Compound Via Thiazole Formation Followed by Claisen Rearrangement
Abstract: The Baylis-Hillman adducts derived from nitroolefins have been conveniently transformed into Claisen rearrangement. These substances, which include benzothiazole moiety, are very biologically reactive substances. This novel nitro derivative of 2-((E)-2-nitro-3-phenylallyloxy)-3-ethoxybenzaldehyde was simply treated with mole percentage of 2-(2-(2-aminophenyl) disulfanyl) benzenamine in melt reactive condition. Hence this novel 2-(benzo[d]thiazol-2-yl)-6-ethoxy-4-((E)-2-nitro-3-phenylallyl)phenol core unit compounds was very intrusting and new opportunities for the preparation of closely related to the different [3,3] sigmatropic rearrangements related …
Published in Journal of Modern Chemistry & Chemical Technology Read article
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Proposal of System for High Efficiency Energy Extraction from LNG and Study of Use of EGR and SCR System in Ships
Abstract: The paper focuses on the green shipping methodologies and environment friendly practices. Liquefied natural gas (LNG) is one of the most effective alternatives to traditional shipping fuels. Ports have LNG re-gasification systems, which generally use Open Rack Vaporizers (ORVs) to convert the LNG to NG. In this process, a lot of the ‘cold energy’ is lost. A proposal for a LNG re-gasification system has been made in this paper which …
Published in Journal of Offshore Structure and Technology Read article
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Dye Sensitized Solar Cells Based on Extracted Natural Dyes and Synthetic Dyes with Nanocomposite Material
Abstract: Producing dye sensitised solar cells in their original colours required a number of different techniques. Plants and berries were used to extract these dyes. The DSSCs were manufactured by recycling the old dyes. It was clear that the efficiency of the power conversion was deteriorating. TiO2 mesoporous films' potential applications were also studied. This study employed electrochemical impedance spectroscopy to examine the interactions of natural dyes with TiO2. Bi2O3 nanoparticles …
Published in Journal of Polymer & Composites Read article
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Impact of Metro on Urban Land Transformation
Abstract: India is one of the fastest-growing economies in the world and is also the second most populous nation, furthermore it has a rapidly growing urban population owing to which the cities are facing severe problems and challenges related to mobility, congestion, and subsequently pollution. In India, a Mass Rapid Transit System, often known as Metro Rail, is being constructed as the optimum answer for a crowded transit corridor in a …
Published in International Journal of Urban Design and Development Read article
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Performance, Combustion and Emission analysis of Sunflower oil based Biodiesel using Non-Dominated Sorting Genetic Algorithm-II
Abstract: Biodiesel is used as alternate fuel of I. C. Engines for so many years. It is obtained from various edible and non-edible oils including waste cooking oils through trans-esterification process in the presence of catalyst. The suitable amount of biodiesel mix with commercial diesel can be used to run the compression ignition engines. The optimum combination of engine input parameters is the challenging task as required by the design engineer …
Published in International Journal of Energy and Thermal Applications · Vol. 1, Issue 1, 2023 · pp. 1–6 Read article