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27 articles for “acid catalyzed”
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Synthesis and Characterization of Biofuel from Non-edible Seed Oil
Abstract: There are many medicinal application found in sapodilla fruit, bark leaves and seeds like inhibition of ehrlich ascites carcinoma, in vitro and in vivo antioxidant activity, free radical scavenging activity and antimicrobial activity. Biodiesel is a more attractive product from sapodilla seed oil to diesel engines, because of seeds are chiefly available and non-edible to all human being. Since most of the biodiesel were derived from edible oils like soybean, …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 3, Issue 2, 2013 · pp. 25–33 Read article
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Biocatalytic Process by Biodiesel Production to the help of Environment
Abstract: The synthesis of fatty acid esters using vegetable oils seems to be a crucial process that yields good diesel fuel substitutes and useful oleochemical intermediates. Biodiesel is made from fatty acid methyl esters, which are a mixture of mono-alkyl esters produced from vegetable oils including sunflower oil, soyabean oil, rapeseed oil, peanut oil, cotton seed oil, and animal fats like pig fats and lard. Biodiesel can also be made from …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 3, 2021 · pp. 29–33 Read article
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Sulfated Zirconia Catalyzed Biodiesel Production from Acid Oil Containing High Free Fatty Acids
Abstract: Biodiesel fuel has shown great promise as an alternative to petro-diesel fuel. Biodiesel production is widely conducted through esterification and transesterification reaction, catalyzed by homogeneous or heterogeneous catalysts. In the present endeavour, sulphated zirconia has been prepared using microwave method and characterized by using XRD, FT-IR, BET surface area, SEM and acidity measurement. The utility of synthesized catalyst is demonstrated in catalytic biodiesel production from acid oil feed stock. The …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 2, 2017 · pp. 35–45 Read article
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Solid Acid Catalysts for the Selective Conversion of Biomass to Levulinic Acid
Abstract: Levulinic acid (LA) has emerged as a versatile platform chemical with significant potential for producing renewable fuels like gamma-valerolactone (GVL), biodegradable polymers, and fine chemicals from biomass (both terrestrial and marine which ae rich in carbohydrate). The selective conversion of biomass-derived carbohydrates to LA requires efficient catalytic systems that can overcome the recalcitrance of the biomass, namely the stiff-necked structural integrity of cellulose and the kind of strong interactions between …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 1, 2026 · pp. 23–35 Read article
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Synthesis of Isoamyl Acetate (Banana oil) Using Fly Ash Supported Nano Crystalline Solid Acid Catalyst
Abstract: A novel fly ash supported solid acid catalyst (HClO4/FA) has been synthesized by using F-type fly ash and HClO4 as precursor. The variation of surface and physicochemical properties of the fly ash by activation methods resulted in improved acidity and therefore, catalytic activity for acid catalyzed esterification reactions. The HClO4/FA catalyst was characterized by XRF, XRD, FT-IR, SEM and BET surface area. The catalytic performance of HClO4/FA catalyst was evaluated …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 2, 2017 · pp. 1–8 Read article
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A Sol-Gel Approach for the Fabrication of Zinc Oxide Nanoparticles and Their Nanocomposite with Urea Formaldehyde (UF)
Abstract: In the performed work, zinc oxide nanoparticles were synthesized via the sol-gel method using zinc sulphate as the precursor material. Urea-formaldehyde (UF) resin was employed as a polymer matrix to encapsulate the produced ZnO through an acid-catalyzed polymerization process. This encapsulation aimed to improve the dispersion stability and surface reactivity of ZnO within the polymeric medium. The synthesized materials were subjected to comprehensive characterization using Fourier Transform Infrared Spectroscopy (FT-IR), …
Published in International Journal of Crystalline Materials · Vol. 2, Issue 2, 2025 · pp. 21–27 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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Versatile Application of Tannase: A Review
Abstract: Micro - organisms tannase is industrial-important enzymatic enzymes can, through oxidation with secondary metabolites including such tannins, catalyze that production of Gallic acid or glucose. Tannase are commonly used in the production, drink, food processing and brewing and chemical industries. Tannic acid with low-value agroindustrial waste was also commonly used in manufacturing besides tannase production. Tannase also have huge 124-310 KDa variety with molecular weights as well as a great …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 8, Issue 2, 2023 · pp. 13–17 Read article
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Production and Partial Purification of Tannase from Bacillus sp.
Abstract: Micro-organisms tannase is industrial-important enzymatic enzymes can, through oxidation with secondary metabolites including such tannins, catalyze that production of Gallic acid or glucose. Tannase are commonly used in the production, drink, food processing and brewing and chemical industries. Tannic acid with low-value agro-industrial waste was also commonly used in manufacturing besides tannase production. Tannase also have huge 124–310 KDa variety with molecular weights as well as a great deal with …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 8, Issue 2, 2023 · pp. 42–51 Read article
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Catalytic Trends of OsO4 for the Taurine-Bromamine-T Redox System: Kinetic and Mechanistic Chemistry of Catalyzed and Uncatalyzed Reactions
Abstract: Taurine (2-ethane aminosulfonic acid) facilitates as a building block for protein synthesis, also possessing various other vital biological functions. Literature survey revealed that there was no report available on the oxidation of taurine with any oxidants from its kinetic, mechanistic and catalytic aspects. A detailed comparative mechanistic study of its Os(VIII) catalyzed and uncatalyzed oxidation kinetics by bromamine-T (BAT) in NaOH medium at 313 K revealed the rate law to …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 5–19 Read article
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Significance of TE Domain and Genetic Variations in FASN Gene in Dairy Animals
Abstract: The interest in the bovine fatty acid synthase (FASN) gene has increased during the last few years. FASN is a multifunctional enzyme that catalyzes de novo biosynthesis of long-chain saturated fatty acid, and alteration of this enzyme may affect economic traits including fatty acid composition. FASN is involved in fat metabolism and is an important candidate gene affecting fat composition of milk because of its central role in de-novo lipogenesis …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 6, Issue 3, 2016 · pp. 33–38 Read article
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Optimization of Media to Improve Macrolide Antibiotic Production while Minimizing Impurities
Abstract: Immunomycin is a fermentation product of Streptomyces hygroscopicus var ascomycetes. Macrolide produced from Streptomyces hygroscopicus has superior activity when compared to cyclosporine. The immunosuppressant activity is useful in treatment of autoimmune diseases, as well as infectious diseases. The serious side effects of cyclosporine treatment include kidney failure, liver damage and ulcers, so there is a need for new safer and more effective method of treatment. The present study was carried …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 1, 2012 Read article
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Copper(II) Catalyzed Oxidation of Hydrazine Hydrate by Hexacyanoferrate(III)
Abstract: The kinetics of Cu(II) catalyzed oxidation of hydrazine by hexacyanoferrate(III) is studied in acid medium. The stoichiometry of the reaction is 1:1. The first order condition [N2H5] > [Fe(CN)63−] is maintained. The order of the reaction is unity with respect to Fe(CN)63−, fractional orders with respect to hydrazine and copper. The reaction is independent of variation of sulphuric acid and ionic strength. A suitable mechanism is proposed for the reaction
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 3, Issue 1-3, 2012 · pp. 22–29 Read article
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Copper (II) catalyzed oxidation of Hydrazine hydrate by Potassium ferricyanide
Abstract: The kinetics of Cu(II) catalysed oxidation of hydrazine by hexacyanoferrate(III) is studied in acid medium. The stoichiometry of the reaction is 1:1. The first order condition is [N2H5]>[Fe(CN)63- ] is maintained. The order of the reaction is unity with respect to Fe(CN)63-, fractional orders with respect to hydrazine and copper. The reaction is independent of variation of sulphuric acid and ionic strength. A suitable mechanism is proposed for the reaction. …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 3, Issue 3, 2012 · pp. 22–29 Read article
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Use of Modified and Unmodified Calcium Oxide from Bio-resources as Heterogeneous Transesterification Catalyst for Biodiesel Synthesis: A Review
Abstract: Metal oxides have been widely used to catalyze various types of organic reaction, whatever supported or nonsupport metal oxide catalysts (supported with metal, mixed oxides and acids such as sulphoric acid). Calcium oxide is one of the most metal oxides used as heterogeneous catalysts; due to its favorable properties such as high activity, availability, low cost, and easily separated, as well as environmental friendly. Calcium oxide whether laboratory, prepared from …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 3, 2022 · pp. 30–34 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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Exploring Chicken Sternal Cartilage as an Alternative Source of Bioactive Protein Hydrolysates
Abstract: There is a growing concern on the correct use and dispose of the by-products of the food industry, and chicken slaughterhouse, such as cartilage, combs, and wattles may be strong candidates as a protein source for bioactive peptides, however it is crucial to understand how the proteolysis process may affect the peptide profile and their bioactivity. The objective of this work was to obtain protein hydrolysates from chicken sternal cartilage …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 14, Issue 3, 2025 · pp. 15–28 Read article
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The Specificity of Purine Derivatives towards Xanthine Oxidase Enzyme and the Factors Affecting the Enzyme Catalyzed Reaction
Abstract: Xanthine oxidase (XO) is a molybdenum-containing enzyme catalyzing the hydroxylation of a sp2-hybridized carbon in a broad range of aromatic heterocycles and aldehydes. Further, it is a key enzyme in the last two steps of purine metabolism. Thus, the need for an understanding and developing unified reaction mechanism to minimize the amount of accumulated uric acid inside human body has led us to the present detailed study of the reaction …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 6, Issue 2, 2016 · pp. 28–44 Read article
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Phytase enzyme and its remarkable effects on chicken health
Abstract: Phytase enzyme catalyzes the hydrolysis of Phytate to mono, di, tri, tetra and penta Phosphate of Myoinositol and Inorganic Phosphate. Cereals, legumes and oilseeds are the main ingredients of animal feed. Phytic acid or phytate is the chief storage form of phosphorus in the feed obtained from these plant sources. Phytate bound important mineral, metal ions and amino acids with it, and in this way it is anti-nutritional element. Simple …
Published in Emerging Trends in Personalized Medicines · Vol. 1, Issue 2, 2024 · pp. 37–41 Read article
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Production of Biofuel (Biodiesel and Bioethanol):An economical and environmentally feasible way to the society
Abstract: In recent years, bio fuels growers have achieved significant enhancement in crop output and processing efficiencies and today the volume of bio fuels produced in a specific planted area is several times higher than it used to be as latest methodology and technical work to increase production of biofuel. In the sense of methodology, bio fuels are sub-divided into two large categories: substitute for diesel (biodiesel) and substitute for petroleum …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 11, Issue 2, 2021 · pp. 1–10 Read article