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151 articles for “Methanation”
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Microbial Competition in the Rumen: Insights into Fermentation Kinetics, Host Health, and Environmental Sustainability
Abstract: Microbial competition within the rumen is a crucial determinant of fermentation efficiency, nutrient utilization, and overall host health in ruminant animals. The complex microbial community in the rumen comprises bacteria, protozoa, fungi, and archaea, all of which interact in intricate and often competitive ways to degrade feed and produce essential metabolites. This competition significantly influences fermentation kinetics, determining the rate and efficiency of carbohydrate, protein, and fat breakdown. Such microbial …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 15, Issue 3, 2025 · pp. 27–42 Read article
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Studies on the Antioxidant Content and Antimicrobial Activity of Cucumber (Cucumis sativus) Peels Collected from Bagmari, Kolkata, West Bengal, India
Abstract: Cucumber (Cucumis sativus) is widely consumed across the globe, yet its peels are commonly discarded as waste, despite possessing a wealth of bioactive compounds. Recent studies have highlighted that these peels contain substantial amounts of antioxidants, antibacterial, anti-inflammatory, and anticarcinogenic properties, making them a promising candidate for value-added applications. In this study, methanolic extracts (80% v/v) of cucumber peels were systematically analyzed to assess their total phenolic content (TPC), total …
Published in Emerging Trends in Metabolites · Vol. 2, Issue 2, 2025 · pp. 6–14 Read article
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Thermal Stability and Impact Performance of Basalt–Carbon Hybrid Laminates in Polyimide–Phenolic Matrices
Abstract: The impact resistance and thermal stability of the advanced polymer composites are properties that are necessary for the components that are subjected to dynamic conditions, which show the overall reliability and service performance of the laminates applied in automotive structures, protective casings, etc. These properties prevent premature softening or breakdown during long-term exposure to heat. Impact resistance and thermal stability of composite laminates are studied based on fiber orientation and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 247–260 Read article
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Stability-Indicating Rp-Hplc Development and Validation for the Estimation of Lercanidipine Hydrochloride Content in Tablet Dosage Form
Abstract: A sensitive, stability-revealing, and easy reverse-phase high-performance liquid chromatographic (RP-HPLC) technique was developed and rationalized to be in a position to determine Lercanidipine hydrochloride in ingested dosing preparations. It was separated by chromatography on a C 18 column using a mobile phase containing 10 mM potassium dihydrogen phosphate buffer and methanol (20:80, v/v; pH 4.0) at a flow rate of 1.0 mL/min and UV detected at 258 nm. The retention …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 13, Issue 1, 2026 · pp. 17–26 Read article
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Valorization of Fruit and Vegetable Wastes for CA Production: A Comprehensive Review with Emphasis on Aspergillus niger Bioprocessing and Future Prospects
Abstract: Citric Acid (CA) is a multifunctional organic acid with diverse industrial applications, recently gaining prominence in polymer and composite science as a green crosslinker, compatibilizer, and functional additive. Conventionally produced through submerged fermentation of refined sugars by Aspergillus niger, industrial CA production faces sustainability challenges due to reliance on food-grade substrates. This review highlights emerging strategies for CA biosynthesis from vegetable and fruit processing residues—including cucumber peels, broccoli stalks, spinach …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 807–822 Read article
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A Systemic Review: Pithecellobium dulce (Jangal Jalebi)
Abstract: Pithecellobium dulce (Roxb.) Benth., commonly referred to as Jangal Jalebi, Vilayati Babul, or Manila Tamarind, is a versatile tree in the Leguminosae (Fabaceae) family. It is commonly found in tropical and subtropical areas and is valued for its ecological, medicinal, and nutritional benefits. The plant is rich in a variety of bioactive compounds, including flavonoids, alkaloids, phenols, glycosides, tannins, saponins, terpenoids, and steroids, which enhance its pharmacological potential. Different extracts …
Published in Research & Reviews : Journal of Herbal Science · Vol. 15, Issue 1, 2026 · pp. 14–20 Read article
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Reactivity of Monochlorotetrakis2-Isopropylphenoxoniobium(V), [NbCl(OC6H4CH(CH3)2-2)4] towards Chelating Ligands
Abstract: The niobium(V) complexes with the formula [NbCl(OC₆H₄CH(CH₃)₂-2)₄] were successfully synthesized in high yields through the reaction of niobium pentachloride with four equivalent amounts of 2-isopropylphenol in carbon tetrachloride. The synthesized complexes were characterized and confirmed by elemental analysis, molar conductance measurements, infrared (IR) spectroscopy, ^1H and ^13C NMR spectroscopy, as well as mass spectrometric analysis. The spectroscopic studies have shown these to exhibit dimeric structures bridging through isopropylphenoxo groups. The …
Published in International Journal of Minerals · Vol. 3, Issue 1, 2026 · pp. 37–45 Read article
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Polymer Composite-Enhanced Anaerobic Digestion of Kitchen Waste for Optimised Biogas Production: Process Design, Parametric Study, and Simulation Analysis
Abstract: There is an urgent need for decentralised sustainable biogas production from organic waste due to the rising amount of food waste in cities. The application of polymer composite material including HDPE tanks, PVC pipes, and FRP secondary containment systems presents a promising option compared to conventional MS digester fabrication in terms of durability, excellent thermal insulation capability, light weight, and easier installation. This study explores the possibility of adopting a …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 803–818 Read article
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A study on Bridging Chemical Transformation and Climate Feedbacks in the Earth System
Abstract: The atmosphere operates as a vast and complex chemical reactor, where minute-scale transformations exert profound influence on planetary-scale climate stability. This research investigates the multi-scale coupling between reactive tropospheric chemistry and large-scale climate feedbacks, challenging traditional modeling approaches that often divorce chemical kinetics from dynamic processes. By integrating high-resolution chemical transport models (CTMs) with comprehensive Earth System Models (ESMs), we map the flow of energy and matter from the molecular …
Published in International Journal of Climate Conditions · Vol. 2, Issue 2, 2025 · pp. 1–8 Read article
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Adaptive Mechanisms of Rumen Microbiota to High-Fiber Diets: Mystery of Fiber Degradation and Nutrient Utilization for Improved Host Performance
Abstract: The rumen microbiota plays a critical role in the digestion of plant fibers, enabling herbivores to derive essential nutrients from fibrous feed sources. The adaptation of these microbial communities to high-fiber diets is crucial for optimizing fiber degradation and nutrient utilization. This study explores the mechanisms by which rumen microbes adjust to handle the complex structure of fibrous materials such as cellulose, hemicellulose, and lignin. Through an integrated approach, we …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 15, Issue 1, 2026 · pp. 7–17 Read article
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Rumen Microbial Adaptation to Dietary Shifts: Mechanisms, Challenges, and Implications for Sustainable Ruminant Production
Abstract: Rumen microbiota play a central role in the digestion and fermentation of dietary components, directly influencing the health and productivity of ruminants. Dietary shifts, such as transitioning from forage-based diets to concentrate-rich diets or incorporating feed additives, induce significant changes in the composition, structure, and functional dynamics of the rumen microbial community. These adaptations, while essential for maintaining microbial homeostasis, can also lead to transient imbalances, including risks of acidosis, …
Published in Research & Reviews : Journal of Ecology · Vol. 15, Issue 1, 2026 · pp. 17–26 Read article
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Green Hydrogen Production Using Air-Conditioner Condensate Wastewater: A Review of Solar-Powered Electrolysis Systems
Abstract: As the world moves toward sustainable and clean energy solutions, growing attention has been directed toward alternative energy carriers such as Hydrogen (H 2 ). Hydrogen is considered an attractive energy option due to its high-density energy and ecofriendly properties. However, most conventional H 2 production methods rely on fossil-fuel-based processes such as steam methane reforming and coal gasification, which contribute significantly to greenhouse gas emissions and environmental degradation. As …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 17, Issue 2, 2026 Read article
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Design and Estimation of Biogas Plant For Canteen Waste: A Case Study of RD’s Rajgad Technical Campus, Dhangwadi, Bhor, Pune
Abstract: Today's economy and society rely on energy. In the end, conventional fossil fuels like oil will run out, and an alternate primary energy source will be required to close the widening gap between rising demand and declining supply. Biogas is a great energy source in light of rising petroleum prices, declining foreign exchange reserves, and the rupee-dollar exchange rate. Organic matter breaks down to produce biogas, a fuel. The primary …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 17, Issue 2, 2026 Read article
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Synergistic biofuel production, refractometric monitoring and trypsin digestion studies from Clitoria ternatea, Cymbopogon citrates and Saccharomyces cerevisiae
Abstract: The rising demand for renewable and green energy sources has encouraged researchers to seek sustainable alternatives to fossil fuels. In the present study, an investigation was conducted on the synergistic production of biofuel from plant materials of Clitoria ternatea and Cymbopogon citratus with microbial fermentation by Saccharomyces cerevisiae. The study also evaluated the refractometric monitoring and trypsin digestion activity for the understanding of biochemical changes during biofuel production. The oil …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 16, Issue 2, 2026 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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Design and Energy Analysis of Butyl Acetate Plant using Aspen HYSYS and Aspen Energy Analyzer
Abstract: This paper discusses the design of Butyl acetate production process by using Aspen Hysys. Heat integration is performed for the entire designed plant using Aspen Energy Analyzer. The proposed design consists of a mixer, continuous stirred tank reactor and two distillation columns. Methyl acetate reacts with butyl alcohol and gives the butyl acetate, methanol. The paper is divided in to three parts. In the first part, the entire process plant …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 2, 2014 · pp. 15–26 Read article
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Common Effluent Treatment Plant Concept: A Novel Solution for Fish Meal and Oil Extraction Industries in Mangalore Karnataka
Abstract: Fish Meal and Oil Processing Industries (FOMA) has established a Common Effluent Treatment Plant (CETP) in Mangalore to treat the Effluents generated by their different small scale units to the Discharge Standards laid by Ministry of Environment and Forest, Government of India for Common Effluent Treatment Plants as per Environment Protection Rules, 1986. The Effluents are treated by Anaerobic and Aerobic Methods, the treated Effluents are discharged in marine environment. …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 41–48 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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Modeling and Analysis of the Impact of Natural Gas Composition Variations on Combustion in a Dual Fuel Compression Ignition Engine
Abstract: The desire to meet rising energy demands while simultaneously adhering to stringent climate policies has propelled advanced combustion technologies and alternative fuels. Natural gas (NG) is an attractive, domestically-available alternative that has been shown to achieve high efficiencies when used on dual fuel engines. However, the composition of NG can vary significantly depending on the source and these variations may detrimentally impact engine operation. To study these effects, a dual …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 1–14 Read article
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Hydrogen and oxygen generation by Photoelectrolysis and Special Constructed Photoelectrolyzer Powered by Light Energy for Hydrogen Electric Vehicle Charging
Abstract: Today, pure hydrogen is produced by various industrial methods, including: steam reforming of methane and natural gas; coal gasification; biotechnology; electrolysis of water, etc. The most effective method for obtaining pure hydrogen is the use of photoelectrolysis of an aqueous solution of an electrolyte, flowing in a photoelectrochemical cell. In this method, the hydrogen in the photoelectrochemical cell is produced directly from solar energy. In a photoelectrochemical cell, a silicon …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 1, 2024 · pp. 38–46 Read article