Search
117 articles for “Catalyst”
-
Design and Optimization of Heterogeneous Catalysts for Green Chemistry Processes
Abstract: The design and optimization of heterogeneous catalysts are critical for advancing green chemistry processes, aiming to minimize environmental impact while maximizing efficiency. This study explores innovative strategies for the development of heterogeneous catalysts that facilitate environmentally benign reactions. By integrating principles of catalyst design, surface science, and reaction engineering, we aim to enhance catalytic performance, selectivity, and stability. Catalyst composition and structure, investigating novel materials, including metal-organic frameworks (MOFs), zeolites, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 1, 2025 · pp. 42–48 Read article
-
Production of Waste Animal Bone as a Heterogeneous Solid Base Catalyst for Transesterification of Jatropha Oil
Abstract: Heterogeneous catalyst plays a vital role in transesterification process, especially in view of cost and reusability. In this study, heterogeneous solid base catalyst was prepared by impregnating the waste animal bone with different weight percent (wt%) KOH solution followed by drying and calcination at 900 °C for 3 hr. Having screened the catalytic performance and basicity of animal bone loaded with different K-compounds, 12 wt% KOH loaded on animal bone …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 28–48 Read article
-
Studies of Nano-catalyst
Abstract: Nano-catalysts are studied in this article to compose single allocate transitional or novel atom on substrate in place of usual nano-configured atoms aligned to Pt, Pd, Ru, Rh and Ir. Acid to base proposition subjected to form stable catalyst composes from transition metals in place from expensive novel metals. In novel metal nano-cluster catalyst compose has selected scheme at rest with no or reverse consequence to give rise well defined …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 1, 2021 · pp. 13–18 Read article
-
Biodiesel production using waste cooking oil: influence of catalysts on reaction parameters
Abstract: Over a century ago, Rudolf Diesel tested the used of vegetable oil as fuel for his automotive engine, several years later, bio-based diesel obtain from trans-esterification of animal fats or vegetable oils in presence of catalyst have been used as alternative automotive fuels to safe guard the environment and avoid global warming. Cost of production process has limited the diversification and generalizes usage of biodiesel, thus exploring avenues for cost …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 7, Issue 1, 2021 · pp. 1–8 Read article
-
Catalytic hydrogenation of dimethyl-nitrobenzene to dimethyl-aniline over Ni catalysts
Abstract: The catalytic transfer hydrogenation of dimethyl-nitrobenzene (DN) to Dimethyl-aniline (DA) was studied in the temperature range 343–403 , pressure range of 4–10 bar H2 and ethanol as solvent using Ni on alumina-silicate as catalyst above agitation speed 800 rpm. The substrate feed concentration was varied in the range from 0.124 to 0.745 kmol/m3 while catalyst loading was in the range 4–12% (w/w) of dimethyl-nitrobenzene. Dimethyl-aniline was the only reaction product, …
Published in International Journal of Chemical Engineering and Processing · Vol. 3, Issue 2, 2017 · pp. 19–29 Read article
-
Investigation on Catalyst Selection for Polymerization Processes in Petrochemical Industries
Abstract: Organic polymers are long-chain compounds made of several repeating units. These polymers are either natural, such as protein, cellulose, starch or synthetic, such as polyethylene (a plastic), polyesters and polyamides (plastics and fibers) and polybutadiene (rubber).Many organic compounds possessing multiple bonds have the tendency to polymerize in the presence of an initiator. Polymerization of these compounds can either be affected by the use of chemical initiators such as free radicals …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 2, 2020 · pp. 12–16 Read article
-
Different type of catalysts used in the Baylis-Hillman reaction
Abstract: The Baylis-Hillman reaction in the present-day version is an atom-economic carbon-carbon bond-forming reaction between the α-position of the activated alkenes and carbon electrophiles under the influence of a catalyst or catalytic system offering diverse classes of densely functionalized molecules. If the substrate contains both the activated alkene and electrophile components in appropriate positions, there is the possibility of developing an intramolecular version of this reaction leading to the synthesis of …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 30–37 Read article
-
Simulation of Syngas Production from Rice Straw Gasification over Zeolite Catalyst using Aspen Plus
Abstract: A comprehensive process model is developed to simulate syngas production from Rice strawGasification over zeolite catalyst using an Aspen Plus simulator. The model is based on Niko andMahinpey model and some modifications were made in the gasification reaction model. Two caseswere stimulated which are catalytic gasification and non-catalytic gasification to test the impact ofzeolite catalyst on the reaction. Comparisons were based on the basis of flowrate, energyconsumption and effect of …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 7, Issue 2, 2021 · pp. 11–17 Read article
-
Effect of impurity metal (Fe, Co, Ni) on WSex as good hydrogen evolution catalyst
Abstract: Transition metal chalcogenides are recognized as a category of very promising non-expensive and earth-abundant catalysts for Hydrogen evolution reaction (HER) catalysts. Many literature reports appeared recently on metal selenides due to excellent phyco-chemical properties and for HER, this mini review attempt to give some insight on effect of Fe, Co, Ni to WSex toward efficiency of HER. From the literature report showed that presence of impurities activity with WSex following …
Published in International Journal of Energetic Materials · Vol. 6, Issue 2, 2020 · pp. 31–36 Read article
-
Virtual Reality in Education: A Catalyst for Revolutionizing Learning Experiences
Abstract: The convergence of virtual reality (VR) and education offers a thrilling frontier with the capacity to revolutionize the way learning experiences are shaped. This work delves into the intricate fusion of VR and education, scrutinizing its transformative potential. With a specific focus on enhancing learning experiences, the paper explores the multifaceted applications of VR in educational settings. The investigation aims to unveil the impact of VR on cognitive engagement, knowledge …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 10, Issue 1, 2024 · pp. 35–39 Read article
-
Growth of CNT in a Stainless Steel Surface by Using Gold Nanoparticle as a Catalyst for Corrosion Less Implants
Abstract: Now a day’s maximum implant are failure due to corrosion or infection. And the infection is happened due to growth of Escheria coli, steptococus, miccrobacterium tuberculosis like bacteria. Carbon nanotubes based stainless steel implant may be the promising outcome for corrosion. Carbon nano tubes when irradiate with NIR will heat up to 70oC and it has been demonstrate that folic acid adsorbed on carbon nano tubes allow specific binding to …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 2, Issue 2, 2016 · pp. 1–5 Read article
-
Catalytic Pathways for the Conversion of Glycerol to Industrial Chemicals
Abstract: Abstract *Author for CorrespondenceIndra Neel PulidindiE-mail: [email protected] 1Student, Department of Ear, Nose and Throat, Saveetha Medical College (SMC) and Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamil Nadu, India2Assistant Professor, Department of Ear, Nose and Throat, Saveetha Medical College (SMC) and Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamil Nadu, India Received Date: February 07, 2026Accepted Date: February 16, 2026Published Date: March 21, 2026 Citation: Shivani …
Published in International Journal of Chemical Separation Technology · Vol. 12, Issue 1, 2026 · pp. 16–22 Read article
-
Culture as a Catalyst for Sustainable Urban Transformation – A Case of Revival of
Abstract: Delhi’s Urban Village Urban transformation has traditionally been influenced by culture which gives communities a means of re-establishing linkages to their past by encouraging their civic involvement and also promoting long-term economic success. Most cities in India have this strong cultural and historical foundation that shapes its urban fabric that have shaped their function. With its many intricate layers of history, Delhi proofs to be an engaging example of how …
Published in International Journal of Architectural Heritage · Vol. 9, Issue 1, 2026 · pp. 9–17 Read article
-
Sustainable Hydrogen Solutions: Beryllium-Based Complexes and Catalysts for Efficient Energy Storage and Production
Abstract: This study explores the potential of beryllium (Be) and transition metal (TM) complexes in hydrogen storage and production, focusing on the hybridization of atomic orbitals to form dihydrogen complexes within nanostructured materials. We analyze the binding energies and adsorption characteristics of H₂ molecules in Be-dihydrogen complexes and compare them with TM-dihydrogen complexes. The findings indicate that Be can effectively bind H₂ at room temperature, making it a promising candidate for …
Published in International Journal of Energetic Materials · Vol. 10, Issue 2, 2024 · pp. 1–5 Read article
-
Sustainable Development of Infrastructure in India: Understanding Catalyst and Challenges
Abstract: The sustainable development of infrastructure plays a pivotal role in the overall economic growth and well-being of a nation. In the case of India, the world's second-most populous country after China, the challenge of high population density necessitates substantial infrastructure to cater to the needs of its people. Despite notable progress in infrastructure development, there is a conspicuous absence of comprehensive policies and a long-term vision. This absence undermines the …
Published in International Journal of Sustainable Building Technology · Vol. 7, Issue 1, 2024 Read article
-
Urbanization as a Catalyst for Climate Change in Dehradun
Abstract: These days Climate change considered a major issue among scientists, researchers, planners, politicians. Concerning every climatic component, temperature considers its dynamic effect in identifying climatic variations originate around due to urbanization. Consequently, given paper tries to examine the temperature fluctuations of district Dehradun, by examining year wise time slot details minimum, maximum along with mean temperature from 1967 to 2007. Analysis details have been examined in tri fragments by operating …
Published in International Journal of Urban Design · Vol. 2, Issue 2, 2019 · pp. 52–61 Read article
-
Photo-Semiconductor Catalysts for Water Splitting
Abstract: Photoelectrochemical (PEC) water splitting by means of sunlight appear for an eco-friendly and capable technology. Semiconductor electrode materials as the chief components in PEC water splitting cells have vital impacts on the device’s solar-to-hydrogen conversion efficiency, energy failure related to rapid recombination of photoinduced electron-hole pairs, as well as electrode deprivation, various kinds of electrocatalysts for improving PEC water splitting. Semiconductor oxide photocathode and photoanode (TiO2, Fe2O3, WO3, BiVO4, InGaAsP …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 25–30 Read article
-
Catalytic Steam recycle of Bio-Oil Produces Hydrogen
Abstract: The "water-gas shift reaction" is a process that combines the vapour and carbon monoxide to produce carbon dioxide and more hydrogen.Steam reforming of actual bio-oil is a more realisticmethod for producing H2 despite substantial research on the heat reform of model compounds (such as ethanol). With a focus on the creation of catalysts for the procedure, this paper covers current developments in the steam reforming of actual bio-oil. Given its …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 1, 2022 · pp. 25–29 Read article
-
Reactor-Made Polypropylene for 3D Printing: A Low-Crystallinity Approach
Abstract: 3D printing is technology that enables the complex structure, which is difficult in conventional technique. However, relatively slow manufacturing process and using of limited polymeric material leads to attention of scientist towards newer cost-effective material and technology. In this study, we overcome this issue by synthesizing reactor-made polypropylene (mPP) using Dimethylsilylene-(cyclopentadienyl) (fluorenyl)-zirconium-dichloride metallocene catalyst. The polymerization process was systematically optimized by varying Al/Zr molar ratios, catalyst concentrations, and temperatures to …
Published in International Journal of Polymer Science and Engineering · Vol. 11, Issue 2, 2025 · pp. 1–17 Read article
-
Emission Control Technologies for Reduction of NOx and Particulate Matter from Automotive Diesel Engines
Abstract: In consequence of their efficiency and torque, diesel engines have long been valued, especially for heavy-duty applications. But worries about their emissions—especially those of nitrogen oxides (NOx) and particulate matter (PM)—have prompted stricter laws all around the world. Modern emission control technologies for lowering NOx and PM emissions from automotive diesel engines are reviewed in this paper. There is discussion of several methods, such as diesel particulate filters (DPF), selective …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 10, Issue 1, 2024 · pp. 1–6 Read article