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192 articles for “Co-catalyst”
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Photo-Catalytic Degradation of Rhodamine-B by using UV/TiO2 and Nb2O5 Process: A Kinetic Study
Abstract: The photo-catalytic degradation of Rhodamine-B (RB) in aqueous solution with titanium dioxide (TiO2) and niobium pentaoxide (Nb2O5) as photocatalyst in slurry form has been carried out using UV-A light (254 nm). The effect of various parameters such as catalyst loading, pH and initial concentration of the RB dye on degradation have been determined. An attempt has been made to study the effect of process parameters through concentration of dye, amount …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 3, 2014 · pp. 12–24 Read article
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Review and Effect of Acid Treatment on Indian Montmorillonite and Kaolin Clay
Abstract: Clay being the available resource throughout the world and being rich in alumino-silicate compounds is of great importance. This review mainly focuses on the montmorillonite and kaolin clay and includes acid treatment, clay based catalyst and zeolite from montmorillonite and kaolin clay. In this review, effect of acid treatment, Si/Al ratio and conversion of catalyst in reaction is discussed. Indian clay is treated with sulphuric acid and hydrochloric acid, respectively …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 3, 2020 · pp. 8–19 Read article
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Catalyst-Driven Degradation and Failure Analysis of Intergranular Cracking in 316H Studded Pipes under Refinery Heat Recovery Conditions
Abstract: A failure analysis investigation was carried out on a high-temperature studded pipe used in a convection module for heat recovery in an oil and gas refinery application after leakage was detected during pre-commissioning hydrotesting. The investigated pipe was manufactured from AISI 316H austenitic stainless steel, and carbon steel studs had been joined to its outer surface by high-frequency resistance welding. Two leaks were reported in the pipe under investigation, and …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 1, 2026 Read article
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Green Synthesis of Biologically Active 2, 4, 5- Trisubstituted Imidazoles Catalyzed by Large Pore Zeolite H-BEA through Lophine MCRs
Abstract: 2, 4, 5-triphenyl-1(H)-imidazoles (popularly known as Lophine derivatives) are well known heterocyclic compounds and find significant diversified applications, not only in the area of medicinal chemistry as biologically active drug-like molecules, but also in the other advanced research areas, such as fluorescence labelling, biological imaging and chromospheres for non-linear optic system. In the present endeavour, a green synthesis of Lophine derivatives via multi-component reaction is carried out using benzil/benzoin, substituted …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 20–36 Read article
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Catalytic Activity Advancements in Organometallic Chemistry
Abstract: Organometallic chemistry is essential to catalysis and synthesis, helping to shape a wide range of chemical reactions. The study of the interactions between organic compounds and metal elements is known as organometallic chemistry. Modern synthetic chemistry and catalysis have been greatly influenced by the field of organometallic chemistry. It entails the investigation of substances that have metal-carbon bonds because they can have special catalytic and reactive qualities. Applications for these …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 2, 2023 · pp. 10–25 Read article
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Integrated Computational and Bio-catalytic Transformations: DFT-Guided Mechanistic Insights, Machine Learning, and Nano-biocatalyst Engineering for Sustainable Catalysis
Abstract: Computational catalysis has emerged as a transformative scientific discipline that integrates quantum chemistry, molecular modeling, machine learning, and density functional theory (DFT) to understand catalytic mechanisms and design highly efficient catalytic systems for sustainable industrial applications. The increasing global demand for environmentally responsible chemical manufacturing has accelerated research on advanced catalytic materials including transition metal catalysts, metal–organic frameworks (MOFs), homogeneous catalysts, heterogeneous systems, and bimetallic catalysts involving nickel and iron. …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 2, 2026 · pp. 36–44 Read article
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Effect of Ta2O5 as a Support in Phosphotungstic Acid Catalysts for Vapor Phase Dehydration of Glycerol to Acrolein
Abstract: The Ta2O5 supported phosphotungstic acid (HPA) catalysts were investigated for vapor phase dehydration of glycerol to acrolein and materials were synthesized by impregnation method. The above HPA catalysts were characterized by Raman spectroscopy to identify the Keggin ion and temperature programmed desorption of ammonia to explore the acidity of the catalysts. The findings of Raman spectra shows that the Keggin ion of heteropolyacid intact with support. NH3-TPD results confirm that …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 3, 2015 · pp. 1–6 Read article
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Rise of Nationalism in Globalized Society
Abstract: This comprehensive study explores the intricate phenomenon of the resurgence of nationalism on a global scale, examining its multifaceted dimensions, underlying drivers, and potential implications for contemporary societies. In the complex landscape of the 21st century, the resurgence of nationalism has become a prominent and dynamic force, influencing political, social, and economic structures worldwide. The research methodology employed in this study integrates both qualitative and quantitative analyses, drawing on historical …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 59–68 Read article
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Review on Effected Factors of Type of Products
Abstract: This survey covers effect of some factors in type of products in any reaction. A catalyst speeds up a chemical reaction, without being consumed by the reaction. Catalysts that used in any reaction, as it affects the nature of the product, its quantity, purity, color, degree of stability, the physical and chemical properties, the resulting isomers, the essential and secondary resulted of each reaction, and even the reaction conditions. It …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 3, 2020 · pp. 33–40 Read article
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Review of Synthesizing of Fuel from Plastic Waste
Abstract: Plastics are an important part of our daily life. It is cheap, easy to produce, and its faster rate of production are making it to be produced in larger quantities; on the other hand, plastics play important role in industrial applications also. In that situation, if plastic it is not disposed properly, lots of environmental challenges arise. In that condition, waste plastics need to be recycled; regeneration or its utilization …
Published in Journal of Industrial Safety Engineering · Vol. 9, Issue 1, 2022 · pp. 1–4 Read article
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A review on Advanced Materials for Sustainable Innovation and Innovative Applications in Chemical Engineering
Abstract: High level materials assume a vital part in driving feasible mechanical headways across different enterprises. This comprehensive review paper aims to provide an in-depth analysis of the properties, synthesis methods, and potential applications of advanced materials, focusing particularly on nanomaterials, biomaterials, and smart materials. These materials exhibit unique characteristics that render them indispensable for a wide array of applications, spanning energy storage, environmental remediation, healthcare, and electronics. Nanomaterials, characterized by …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 1, 2024 · pp. 59–79 Read article
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5-Methyl-2-phenyl-2,4-dihydro-3H-pyrazol-4-one: Synthesis and Reactions
Abstract: The presence of the five-member pyrazole nucleus in different structures leads to a large diversity in its applications. In almost every research study, the pyrazole derivatives biological importance faces a competitive challenge in areas of technology, medicine and agriculture. This reflects the description of these derivatives as antibacterial, antifungal, anticancer, antidepressant, anti-inflammatory, anti-tuberculosis, antioxidant as well as antiviral agents. In our review, we will discuss and show the highlights of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 3, 2025 · pp. 76–87 Read article
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Catalyst-Driven Innovations in Waste Management: From Degradation to Resource Recovery for Circular Economy
Abstract: Waste management has long been a critical challenge for modern societies, with the dual goals of minimizing environmental impact and maximizing resource recovery. Due to their large ecological footprints, conventional waste disposal techniques like landfilling and incineration have been shown to be unsustainable. In response, the focus has shifted toward innovative solutions that not only degrade waste but also recover valuable resources. Catalysts, with their remarkable ability to accelerate chemical …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 2, 2024 · pp. 08–16 Read article
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Modern Catalytic Systems: Mechanisms, Materials Engineering, and Sustainable Applications
Abstract: Catalysis is a fundamental pillar of modern chemical science and industrial manufacturing, enabling efficient production of fuels, chemicals, pharmaceuticals, polymers, and environmentally important products through the acceleration of chemical reactions and reduction of activation energy barriers. This review provides a comprehensive overview of contemporary catalytic systems, with emphasis on the relationship between catalyst structure, reaction mechanisms, catalytic performance, and long-term stability. The discussion begins with the classification of homogeneous, heterogeneous, …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 2, 2026 · pp. 01–09 Read article
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Preparation of Biodiesel from Karanja Oil using Homogeneous and Heterogeneous Catalyst
Abstract: In India, diesel consumption is increasing at an alarming rate which is increasing the import bill and the problems related to environment pollution. Biodiesel (BD) from non-edible oil like karanja is attractive feed stock for diesel engine. Due to high acid value of karanja oil (KO), a two-step process is necessary for BD production using homogeneous catalyst. In present study, BD was produced from KO by transesterification process using homogeneous …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 3, 2016 · pp. 23–37 Read article
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Growth Mechanism Dependent Room Temperature Electrical Properties of Complex Spinel Oxide Nanostructures
Abstract: Here we present the investigation on growth mechanism and corresponding electrical properties of complex spinel zinc stannate (Zn2SnO4) nanostructures synthesized using VLS (vapour-liquid-solid) method in a vacuum operated thermal CVD setup. GAXRD, Raman and Room temperature resistivity, mobility and carrier concentration of variety of nanostructures of Zn2SnO4 have been analysed to understand the effect plausible growth mechanism dependent properties. The corresponding role of catalyst layer thickness during growth as well …
Published in Journal of Microelectronics and Solid State Devices · Vol. 7, Issue 3, 2020 · pp. 20–25 Read article
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The Comparative Catalytic Activities of Tungstate and Molybdate Ions on Oxygen Transfer Reactions Used in Production of Some Petrochemicals
Abstract: The comparative catalytic activities and kinetics of formation of glycerine from oxidation of allyl alcohol by hydrogen peroxide in the presence of sodium tungstate and sodium molybdate as catalyst have been studied. The reaction is zero order with respect to hydrogen peroxide concentration and the reaction is first order with respect to allyl alcohol and catalyst (sodium tungstate or sodium molybdate) concentrations. Tungstate catalyzed formation of glycerine from allyl alcohol …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 1, 2017 · pp. 24–29 Read article
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Analyzing the Performance and the Emission Characteristics of Palladium Catalyst using different blends of Methanol Fuel and Nano Particles of Aluminium and Titanium Oxides
Abstract: The high cost and limited availability of precious metals prompted the automotive industry to explore alternative materials for improving catalytic converter performance. This research focuses on the development and optimization of catalytic converters designed to reduce exhaust emissions, ensuring compliance with market needs and regulatory standards. Specifically, it investigates the three-way catalytic converter in a four-stroke engine utilizing commonly available noble metals, particularly palladium as the catalyst. The best way …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1505–1517 Read article
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Application of Ultrasound for Synthesis of Biodiesel
Abstract: The aim of study is to synthesize a biodiesel from soybean oil using ultrasonic process. At present, biodiesel is produced in batch reactors in which the required energy is provided by heating by mechanical mixing. Alternatively, ultrasonic processing is an effective way to attain required mixing providing the necessary activation energy. Ultrasonic is a very desirable tool for producing biodiesel from vegetable oil and animal fats, because it lowers the …
Published in Emerging Trends in Chemical Engineering · Vol. 2, Issue 1, 2015 · pp. 1–8 Read article
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Recovery of Tungsten and Copper from Waste Tungsten Copper Borings
Abstract: During the last many years, the unused tungsten and copper alloy from the discarded electric and electronic equipment and industrial scraps are gathering attention as a section of waste. Because of tungsten's many diverse uses, numerous types of scrap were available for recycling by a wide variety of processes. In the present study, tungsten and copper was recovered by leaching process in ammonium hydroxide solution followed by electro winning process. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 1, 2017 · pp. 1–8 Read article