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645 articles for “Oxide”
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A Novel Approach for Extraction of Polyphenols
Abstract: Polyphenols are class of compounds which are found in fruits, vegetables, walnuts, olives, tea leaves and many more. Polyphenols are antioxidant phyto-chemicals that prevent or neutralize the damaging effects of free radicals. They are secondary metabolites of plants and are generally involved in defence against ultra-violet radiation or aggression against pathogens. Polyphenols are various alcoholic compounds containing two or more benzene rings that each has at least one hydroxyl group …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 31–36 Read article
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DNA Binding and Cleavage Studies of Cobalt Complexes Containing Bioactive Mixed Ligands
Abstract: The complexes containing bioactive ligand of the type [Co(L1L2)] (PF6)2 complex (1) (where L1=1,10-phenanthroline and L2 = N,N-dimethyl-2-{5-[(pyrrolidin-1-ylsulfonyl)methyl]-1H-indol-3-yl}ethanamine (almotriptan) in 1:1 molar ratio of ligands) and [Co(L1L3L4)] (PF6)2 complex (2) (where L3=4H-1,2,4-triazol-4-amine, L4=1H-benzimidazole-2-thiol and the ligands are in the ratio 1:1:1, were synthesized and characterized. The DNA binding property of the complexes with calf thymus DNA has been investigated using absorption spectra, viscosity measurements and thermal denaturation experiments. The intrinsic …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 49–56 Read article
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Aluminum and its Alloys to Recover from Corrosive Weather
Abstract: Corrosion is defined as deterioration of material, usually metal, because of reaction with its environment and which requires presence of an anode, a cathode, an electrolyte and an electrical circuit. Aluminum and its alloys are reactive to weather of exposure, e.g. ambient, acid and alkalis. Solid to pigments are prevented from corrosion by using inhibitors. Organic inhibitors are ever praised due to non-toxic performances. Basic processes are surface adsorption to …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 2, 2019 · pp. 7–19 Read article
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Design of a Plant for the Production of Ammonia and Urea Using Aspen HYSYS
Abstract: The design of a plant for the production of 1800 MT/Day of ammonia and 1400 MT/Day of urea using aspen HYSYS was carried out in this work. Ammonia is produced through the Haber-Bosch process, where hydrogen and nitrogen react in the presence of a catalyst producing mixture containing ammonia while urea is produced by the reaction between ammonia and carbon IV oxide. In this work, aspen HYSYS, chemical engineering design …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 1, 2022 · pp. 29–44 Read article
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Substantial Enrichment of Mechanical, Thermal and Electrical Properties of Thermoplastic Polyester Elastomer by Melt Blending with Nano-ZnO
Abstract: Polymers are more reinforced with nano-metal oxides, a completely flexible composite of engineering that simplifies the way of exhibiting good mechanical and chemical features. Polymer mixtures represent a very vital field in the handling of innovative ingredients, which have better features than net polymers. Polymer mixtures can deliver ingredients with prolonged useful features beyond the range that can be achieved from a single polymer equivalent. A methodical study was performed …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 1, 2022 · pp. 12–22 Read article
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Experimental Investigation on 4-Stroke Diesel Engine Using Waste Cooking Oil Biodiesel Fuel
Abstract: Due to using of fossil fuels, the world today is faced with serious environmental pollution. However, these fuels are limited and depleting day by day as the consumption is increasing very rapidly. Hence, it is necessary to find out a clean alternative fuel produced from renewable sources. Biodiesel production and applications are gaining popularity in recent times due to diminishing petroleum reserves and detrimental environmental impacts. Edible and non-edible oils …
Published in Journal of Automobile Engineering and Applications · Vol. 2, Issue 2, 2015 · pp. 19–28 Read article
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Basics of Biodiesel: A Review
Abstract: The present review aims to study the prospects and opportunities of introducing vegetable oils and their derivatives as fuel in diesel engines. Vegetable oils present a very promising scenario of functioning as alternative fuels to fossil diesel fuel. The properties of these oils can be compared favorably with the characteristics required for internal combustion engine fuels. Fuel-related properties are reviewed and compared with those of conventional diesel fuel. Use of …
Published in Journal of Automobile Engineering and Applications · Vol. 3, Issue 2, 2016 · pp. 20–23 Read article
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Performance and Emission Analysis of Different Alcoholic-Blended Fuels in Spark-Ignition Engines
Abstract: AbstractThis research paper focuses on the assessment of the optimal solution of the twin crisis of fossil fuels and environmental degradation. This research paper focuses on engine performance and emission analysis. In order to tackle this problem, an experimental investigation of constant speed and varying load have been performed on a single cylinder spark ignition engine by using different blends of gasoline and pure gasoline fuel. The parameters taken into …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 2, 2018 · pp. 15–32 Read article
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Water in Diesel Emulsion: Efficient Fuel
Abstract: Diesel engines are the most power conversion efficient engines, due to which it dominates the usage in various sectors but in spite of these advantages it emits various pollutants in air which can no more be tolerated. Modern hardware based solutions for pollution control with high price tag are incompatible with existing diesel engines and are pressing needs to develop technology which can fit into existing engine model and lower …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 6, Issue 2, 2015 · pp. 34–39 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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Thermal Behavior of Biomass Ashes with the Influence of Additives: A Critical Review
Abstract: The gasification of biomass is undoubtedly one of the most promising processes for sustainable energy and heat production. The formation of low-melting ashes can compromise the proper functioning of plants. To address potential risks of ash fusion and agglomerate formation in high-temperature zones that may occur in downdraft reactor configurations, a detailed literature review on the use of additives to counteract the risk of ash formation and deposition has been …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 3, 2024 · pp. 1–11 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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Corrosion Inhibition of Mild Steel in Acidic Medium using Essential Oil of Clove (Syzygium aromaticum) as Inhibitor
Abstract: This research work deployed a weight loss technique in evaluating the feasibility and efficiency of using essential oil of clove as corrosion inhibitor due to its anti-oxidant properties. Prepared sample of mild steel was exposed to acidic medium in the absence of inhibitor and the corrosion rate was evaluated. Subsequently, other samples of the same mild steel were exposed to acidic environment in the presence of varied concentrations of the …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 1, 2017 · pp. 30–36 Read article
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Investigation and Comparison of Different Action of Catalyst and Process Conditions in the Production of Chlorobenzene
Abstract: Overview on the investigation and comparison of different action of catalyst and process conditions reveals that the productions of chlorobenzenedoesnot occur naturally, Chlorobenzene is an aromatic compound with chemical formula C6H5Cl. This colorless, volatile, water-insoluble, flammable liquid with a penetrating smell of almonds is a common solvent which is gotten mostly from the chlorination of benzene and widely used intermediate in the manufacture of other chemicals. Production of chlorobenzene is …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 2, 2020 · pp. 1–4 Read article
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Nano-zirconia in current scenario
Abstract: This article is a study of nano-element form from various composites. Increase in surface area sensitive to medium under exposure has recalled trade specific issues to prevent usual use, to perform as a nano-culture subject. Thin-in-section has equivalently similar performance compared to those options which had rated from thicker constitutive. Synthetic methods to obtain nano-ZrO2 have been protocolized from sol-gel, co-precipitation, precipitation reversion, hydrothermal, microwave irradiation, thermal decomposition, and sonochemical. …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 1, 2021 · pp. 1–7 Read article
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Sonochemical Methods to Prepare Composes
Abstract: This purview is to link major and minor chemical reactions. Subjective has various unknown chemical reactivity those have announced by ultrasound. Cavity generation followed by implosive collapse have secreted chemistry to some extent so as pervert to scheme as well. Applicability of ultrasound has studied over chemical stimulus, scrubbing atomizer, crystallization, emulsification, dissolution, dispersion, defoaming, degassing, floatation, homogenization etc. Synthetic catalytic routes has subscriptive issued ultrasonic reverberation to regain some …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 2, 2021 · pp. 1–7 Read article
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Adsorption, Process Technology with Catalysis
Abstract: Surface of solids assumes a significant part in numerous physical and synthetic peculiarities. There are two principle purposes behind this exceptional job. First and foremost, the outer layer of a substance interfaces first with its environmental factors. Furthermore, the surface particles are in an alternate state as looked at to the atoms in the inside of the strong. The surface atoms interface all the more promptly with different substances which …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 3, 2021 · pp. 7–14 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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Heterogeneous Catalysis in Industrial Applications: A Review
Abstract: In many industrial processes, heterogeneous catalysis is essential because it improves reaction speeds and selectivity and makes catalyst recovery and reuse possible. This review explores the fundamental principles and diverse applications of heterogeneous catalysis in industry, with a focus on its economic and environmental benefits. We examine the structure and function of various catalysts, including metals, oxides, and zeolites, and their application in key industrial processes such as petrochemical refining, …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 3, 2023 · pp. 17–23 Read article
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Performance Analysis and Emission Study of a C.I. Engine using Butanol, Biodiesel and Diesel Blends
Abstract: Biodiesel, which has been projected as an alternative to diesel fuel, can be made an attractive and viable substitute by use of a non-glyceride type of readily available, renewable and economic resources like acid oil. The production and consumption of biodiesel will increase in future due to ecofriendly, and possibility of use of existing engines of a motor vehicle without the need for major adjustments. Biodiesel and diesel fuel are …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 2, 2018 · pp. 17–22 Read article