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192 articles for “Co-catalyst”
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Enhanced Thermal Conductivity of Polyaniline Nanofluids Synthesized using CuCl2 as Catalyst
Abstract: AbstractThe development of nanofluids for enhancing the heat transfer properties over the conventional fluids is mainly hindered by a vital issue of dispersion stability and hence is being explored in the present work. In the present study, Copper Polyaniline nanoparticle was synthesized by the oxidative polymerization method using CuCl2 as a catalyst. The characterization of Copper Polyaniline was performed. The sizes of nanoparticles were found to be within 7.24 nm …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 20–40 Read article
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Effect of catalyst and methanol on synthesis of methyl esters from used cooking oil
Abstract: Due to depletion in the fossil fuels and the increase of energy usage, the rapid depletion of fossil fuel is accelerated. Therefore, using renewable energy is a key solution to the problem of fossil fuel depletion. There are several resources of renewable energy like geothermal energy, solar energy, and biofuels. Biodiesel is a fatty acid alkyl ester made from renewable resources such as used cooking oil. The attractiveness of biodiesel …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 1, 2021 · pp. 42–51 Read article
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A comprehensive review on Sustainable Pathways to Synthesize 2, 5-Furandicarboxylic Acid (FDCA) from 5-Hydroxymethylfurfural (HMF) via Oxidative Processes
Abstract: The increasing global concern over the environmental impact of traditional plastics derived from petroleum and natural gas has spurred a search for more sustainable alternatives. Bioplastics, which are derived from renewable sources and may be biodegradable, have garnered significant interest as eco-friendly materials. Among the promising building blocks for bioplastics, 2,5-Furandicarboxylic Acid (FDCA) has emerged due to its potential to enhance polymer properties. One key precursor for bioplastics, 5-Hydroxymethylfurfural (5-HMF), …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 2, 2024 · pp. 01–13 Read article
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Implications from Iridium—Compose in Versatility
Abstract: Iridium (Ir) is a platinum group of metals suggested to be used in electronic component manufacturing to substitute gold for catalysts, alloy elements and increasing problems. Ir is a high melting metal to avoid corrosion, so rendering is called green as stipulated. Iridium artificial photosynthesis and electron generation capabilities have suggestive problems in supplementing the respective food value after chlorophyll composition and enhancing electricity from supplemented electricity through wind tunnels. …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 3, 2020 · pp. 1–7 Read article
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Solid acidity of MoO3 synthesized by solution combustion method and acetalization of formaldehyde using it
Abstract: MoO 3 nanoparticles were synthesized via solution combustion approach. Ammonium nitrate was used as oxidant and ammonium molybdate as fuel in combustion reaction. XRD, FTIR and Raman spectroscopy results showed that MoO 3 nanoparticles were successfully synthesized by the solution combustion reaction. The SEM analysis showed that synthesized MoO 3 nanoparticles have rod-like shape with width and thickness of 50-200nm and length of 0.2-1μm, respectively. The XRD pattern and morphology …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 3, 2025 · pp. 01–09 Read article
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Synthesis of Biofuel from Castor Oil Using Novel Catalysts
Abstract: An essential step in improving biofuels, especially those made from biomass, is hydrodeoxygenation (HDO). HDO's primary goal is to eliminate oxygen atoms from the biofuel feedstock in the form of water, which enhances the fuel's energy density, stability, and compatibility with current fuel.This study uses a large surface area catalyst to investigate the hydrodeoxygenation (HDOx) activity of non-edible oils. In addition to other supports including H-USY and MCM-41, large surface …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 226–237 Read article
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Conversion of PET waste bottles into a useful catalyst
Abstract: Metal-organic frameworks (MOF) are composed of metal ions and organic linkers and have many application fields. Most of MOFs are synthesized by solvothermal method and in this method we mainly use DMF solvent.This paper proposed the synthesis method of MOF UiO-66 which is more eco-friendly than conventional method using harmful DMF solvent. In this method we use the PET waste bottles, which causes a lot of environmental problems in all …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 3, 2025 · pp. 11–17 Read article
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Optimization of Reaction Parameters for Biodiesel (Methyl Ester) Synthesis Using Surface Response Methodology
Abstract: The Polyoxo vanadate catalytic trans-esterification of waste cooking oil (WCO) was carried out by optimizing four reaction parameters which include: catalyst loading, methanol/oil ratio, temperature, and reaction time. These optimized parameters are 0.5 g, 0.8 g, and 1.2 g catalyst loading, 3:1, 6:1 and 9:1 methanol/oil ratio, 45°C, 60°C and 65°C reaction temperature, 45 min, 60 min and 90 min reaction time. The regression equation in the uncoded units of …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 3, 2024 · pp. 20–28 Read article
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Synthesis of a Re-Usable HCl Treated Graphite Catalyst for Biodiesel Production from Pongamia Pinnata Oil and DMC
Abstract: AbstractThe aim of this research was to investigate the biodiesel from Pongamia pinnata oil with HCl treated graphite catalyst via transesterification. New biodiesel formation process was designed using P. pinnata oil and HCl treated graphite catalyst. Graphite powder was treated with HCl and HCl treated graphite was used as a catalyst. 95% biodiesel yield was obtained with operating conditions, including P. pinnata oil to dimethyl carbonate ratio (1:3), catalyst concentration …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 8, Issue 2, 2018 · pp. 30–37 Read article
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Nano- Catalysts for Enhanced Performance in Hydrogenation Reactions
Abstract: The development of nano-catalysts has revolutionized the field of hydrogenation reactions, offering unparalleled efficiency and selectivity. This study explores the synthesis, characterization, and application of novel nano-catalysts designed to enhance hydrogenation processes. By leveraging advanced materials science techniques, we have engineered catalysts with precisely controlled particle sizes, shapes, and surface properties. These nano-catalysts exhibit remarkable activity and stability, attributed to their high surface area-to-volume ratios and unique electronic structures. Our …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 1, 2024 · pp. 22–27 Read article
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Optimisation of Biodiesel synthesis process from various edible oils using KOH and NaOH as homogeneous catalysts
Abstract: In the present experimental study, an optimization of biodiesel production from different kinds of edible oils (Palm oil, Cotton-seed oil and Sunflower oil) using KOH & NaOH as homogenous catalyst has been investigated by one step transesterification method. The research study was conducted into two parts. In the first experimental study, different types of edible oils (Sunflower oil, Cottonseed oil and Palm oil) have been optimised using KOH and NaOH …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 2, 2024 · pp. 69–77 Read article
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Sulfur recovery process simulation and optimization
Abstract: Objective of this work is to simulate the sulfur recovery process by using the latest version of Aspen HYSYS V10 simulation program. Sulfur recovery model used in the simulation program is Claus three stage process. A total recovery of 97.85% sufur was recovered from the rich acid gas feed. The effects of H2S/SO2 ratio, outlet sulfur dew point margin, catalytic stage temperature, CS2 and COS concentrations, role of catalyst, acid …
Published in Emerging Trends in Chemical Engineering · Vol. 5, Issue 3, 2018 · pp. 32–40 Read article
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Synthesis of Biodiesel with Methanol Recovery in Reactive Distillation
Abstract: In the present study, biodiesel was synthesized from waste vegetable oil, methanol and catalyst. The present work investigates the use of reactive distillation for continuous production and separation of biodiesel with recovery of excess methanol as top product of acceptable purity. In order to determine the best conditions for biodiesel production by reactive distillation, process parameters such as molar ratio of oil to alcohol, reaction temperature, catalyst concentration (0.5–1.5 wt …
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 1, 2016 · pp. 26–31 Read article
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H2 Production by Methanol Steam Reforming over Copper Impregnated Anodized Aluminum Oxide (AAO)
Abstract: Hydrogen production by methanol steam reforming (MSR) is easy and simple as compared to other reforming methods using fossil fuels such as methane steam reforming. The catalysts for MSR are well developed and available commercially. When constructing a small or micro reformer, the catalyst often needs to be coated on the wall of the metal substrate. In this case, the bonding between the metal surface and the catalyst layer must …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 23–28 Read article
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Ceria and Modified Ceria: A Reusable Catalyst for the Green Synthesis of 2,3-diphenyl Quinoxaline at Room Temperature
Abstract: Simple, highly versatile and efficient synthesis of 2,3-diphenylquinoxalines is achieved from benzil and o-phenylene diamine using ceria and modified ceria as the catalyst. Modification of ceria is done using different weight percentage of zirconia. The catalysts are characterized by XRD, FT-IR, BET surface area, TGA and EDX-SEM. The advantages of this method are short reaction times, milder conditions and easy work-up. The product could be separated from the heterogeneous catalyst …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 3, 2014 · pp. 1–11 Read article
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Activated Carbon Materials as Ideal Adsorbents for the Desulfurization of Fossil Fuels
Abstract: Removal of organosulfur compounds from diesel is of interest from scientific, social, economic, and environmental viewpoints. Production of clean fuel remains a primary goal of the petroleum refining industry. The reduction of sulfur content below stringent ppm levels in diesel fuels becomesincreasingly challenging due to the presence of sterically hindered sulfur compounds, such as 4,6- dialkyldibenzothiophenes, which are resistant to removal over conventional supported mixed sulfide hydrodesulfurization catalysts. Consequently, alternative …
Published in International Journal of Pollution: Prevention & Control · Vol. 4, Issue 1, 2026 · pp. 28–34 Read article
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Application of Heterogeneous Photo Catalyst for the Treatment of the Yamuna River Water in Presence of Sunlight
Abstract: Water pollution is a major threat in all developing countries including India. Also, water is facing a severe shortage problem all over the world. It has been predicted that by 2035, water shortage will be one of the most serious political and social issues in many developing countries. Being a basic necessity for life, water requires special attention for its conservation and/or treatment of wastewater. Although the degradation of all …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 2, 2024 · pp. 27–33 Read article
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In Situ Synthesized Cu(OH)2-Al2O3: A Novel and Highly Efficient Nano-Catalyst System for One pot Synthesis of N-Substituted Triazole at Room Temperature
Abstract: One pot room temperature synthesis of N- substituted Triazoles has been demonstrated using a novel catalyst system Cu(OH)2-Al2O3. The catalyst has been synthesized by a very simple one step chemical process. The catalyst is highly efficient and reusable with isolated yield as high as 87% even at the 4th reuse. The catalyst could also be used with water as a solvent with a little longer reaction time. Graphical Abstract: One …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 8–14 Read article
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Development of Primer as a Value Added Product from Waste PET
Abstract: Polyethylene terephthalate was depolymerized by two different chemical recycling techniques i.e. glycolysis and aminolysis. Glycolysis is carried out with Zinc hydroxide and with conventional catalyst i.e. Zinc acetate for the comparable yield of the monomer. Glycolysis is carried out with ethylene glycol whereas aminolysis is done with ethanolamine. Products obtained from both the techniques namely Bis(2-hydroxyethyl) terephthalate (BHET) and Bis(2-hydroxyethyl) terephthalamide (BHETA) have different chemical structure but have hydroxyl functionality …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 3, 2015 · pp. 5–16 Read article
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Catalytic Performance Improvement in Polymer Derived Nanostructures for Fuel Cell Applications
Abstract: The performance and operational lifetime of PEMFCs are closely linked to the catalytic activity and durability of cathode electrocatalysts. In this research, a polymer-derived cobalt–iron nitrogen-doped carbon (CoFe–N/C) nanostructured catalyst is developed to enhance the ORR performance for PEMFC applications. PAN and melamine serve as nitrogen-rich polymer precursors, while cobalt and iron salts generate highly dispersed metal–nitrogen active sites within a porous carbon matrix through thermal treatment at 900 °C. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 968–979 Read article