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118 articles for “hydrogen”
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Comparative Acoustical and Viscometric Study Of L-Alanine And L-Arginine in Aqueous Glycerol Medium: Effect of Side Chain Polarity and Charge On Molecular Interactions
Abstract: The acoustical and viscometric properties of L-Alanine (neutral, nonpolar) and L-Arginine (basic, charged) in 10% aqueous glycerol have been investigated over a concentration range of 0.01 to 0.1 mol·kg⁻¹ at temperatures T = 293.15, 298.15, 303.15, 308.15, 313.15, and 318.15 K under atmospheric pressure. Experimental measurements of ultrasonic velocity (µ), density (ρ), and viscosity (η) have been used to derive adiabatic compressibility (), apparent molar volume (Φv), partial molar volume …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 2, 2026 Read article
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Comparative Acoustical and Viscometric Study Of L-Alanine And L-Arginine in Aqueous Glycerol Medium: Effect of Side Chain Polarity and Charge On Molecular Interactions
Abstract: The acoustical and viscometric properties of L-Alanine (neutral, nonpolar) and L-Arginine (basic, charged) in 10% aqueous glycerol have been investigated over a concentration range of 0.01 to 0.1 mol·kg⁻¹ at temperatures T = 293.15, 298.15, 303.15, 308.15, 313.15, and 318.15 K under atmospheric pressure. Experimental measurements of ultrasonic velocity (µ), density (ρ), and viscosity (η) have been used to derive adiabatic compressibility (), apparent molar volume (Φv), partial molar volume …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 11, Issue 2, 2026 Read article
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Overview of Influence of Biomass Pretreatment: Hydrolyzed vs Unhydrolyzed on BioH2 Yield
Abstract: Infact, overview on the potential of the hydrolyzed and unhydrolyzed biodigester system to produce biohydrogen (BioH2) gas using wood saw dust material obtained from Nigeria was examined with respect to the influence of the biomass build-up as well as related to the pretreatment property. The production of hydrogen gas was influenced by the pH and particle size of the wood saw dust and both the hydrolyzed and unhydrolyzed biodigester yielded …
Published in International Journal of Chemical Engineering and Processing · Vol. 12, Issue 2, 2026 · pp. 10–19 Read article
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Kinetic and Mechanistic Study of Isomenthol Oxidation by Trichloroisocyanuric Acid in Acidic Medium
Abstract: The oxidation reaction of isomenthol with trichloroisocyanuric acid (TCICA) was systematically investigated in acidic medium to understand its kinetics, reaction mechanism, and overall reactivity. The study was carried out under pseudo-first-order conditions by maintaining a large excess of isomenthol relative to TCICA, allowing accurate determination of the reaction rate. The progress of the oxidation reaction was monitored kinetically, and the obtained data revealed that the reaction follows first-order kinetics with …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 2, 2026 · pp. 1–7 Read article
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Energy Transition for Sustainable Development in Saudi Arabia: Renewable Energy Growth and Emission Reduction
Abstract: The Kingdom of Saudi Arabia (KSA) is undergoing a major shift toward sustainability under Vision 2030, targeting 58.7 GW of renewable energy (RE) by 2030 and major green hydrogen projects, such as NEOM’s 4 GW plant, to cut oil use by 500,000 barrels daily and achieve net-zero emissions by 2060. This review provides a comprehensive analysis of KSA’s energy transition, assessing the energy landscape, RE development, environmental impacts, and climate …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 12, Issue 1, 2026 · pp. 31–70 Read article
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Advances and Emerging Trends in Classical and Modern Thermodynamics.
Abstract: Thermodynamics, as a foundational discipline of physical science, has continually evolved from its classical roots to modern, interdisciplinary applications. Classical thermodynamics established the laws governing energy, entropy, and equilibrium, providing the framework for analyzing heat engines, refrigeration cycles, and chemical processes. Recent advances have expanded these principles into new domains, integrating statistical mechanics, quantum theory, and non‑equilibrium systems. Emerging trends highlight the role of thermodynamics in nanoscale and quantum technologies, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 12, Issue 1, 2026 · pp. 1–8 Read article
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India’s Wind Energy Development: A Ray of Hope for a Sustainable Future
Abstract: The development of wind energy in India is an inspiring tale of change, resiliency, and creativity. From tiny pilot projects in the 1980s to being the fourth-largest wind power generator in the world, India has steadily created a robust wind energy sector. Wind energy is a key component of the nation’s renewable energy policy, with approximately 44 GW of built onshore capacity as of 2024. Favorable wind resources, proactive government …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 11, Issue 2, 2025 · pp. 6–13 Read article
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India’s Wind Energy Development: A Ray of Hope for a Sustainable Future
Abstract: The development of wind energy in India is an inspiring tale of change, resiliency, and creativity. From tiny pilot projects in the 1980s to being the fourth-largest wind power generator in the world, India has steadily created a robust wind energy sector. Wind energy is a key component of the nation’s renewable energy policy, with approximately 44 GW of built onshore capacity as of 2024. Favorable wind resources, proactive government …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 11, Issue 2, 2025 · pp. 1–8 Read article
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Thermoacoustic Properties of Ethanol-n-Hexane and 1-Propanol-n-Hexane Binary Mixtures: A Comparative Study at 298.15 K
Abstract: Using an Anton Paar DSA 5000 M instrument, measurements of density, sound velocity, and viscosity were carried out for ethanol–n-hexane and 1-propanol–n-hexane binary mixtures across mole fractions ranging from 0.1 to 0.9 at a constant temperature of 298.15 K. These binary mixtures were specifically selected to investigate the behavior of polar–nonpolar molecular interactions and how they affect the thermophysical properties of the system. The density, sound velocity, and viscosity data …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 11, Issue 2, 2025 · pp. 1–8 Read article
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Synthesis of mixed metal oxides CuO-SnO, composite nano material for the study ofefficiency of textile fabrics as UV-absorbers
Abstract: In the present study we report the synthesis and characterization of nanosized copper oxide,tin oxide and composite of copper and tin oxide and their application on cotton fabrics forUV shielding. The CuO-SnO nanocomposite material prepared under different temperature90 0 - 150 °C by using water and 1,2-ethanediol as a solvent. Copper oxide, tin oxide andcomposite of copper and tin oxide nanoparticles were then applied to cotton sample to impartsunscreen activity …
Published in International Journal of Composite and Constituent Materials · Vol. 11, Issue 2, 2025 · pp. 1–5 Read article
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Emission Reduction Strategies in Diesel and Gasoline Engines: Progress and Future Directions
Abstract: Abstract The global transportation sector remains a significant contributor to greenhouse gas emissions and air pollution, necessitating continuous advancements in emission reduction strategies for internal combustion (IC) engines. Diesel and gasoline engines, despite their efficiency and widespread use, produce harmful pollutants, such as nitrogen oxides (NOx), particulate matter (PM), and carbon monoxide (CO). These emissions contribute to serious environmental and health issues, including global warming, respiratory diseases, and ecosystem degradation. …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 10, Issue 2, 2024 · pp. 11–15 Read article
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Impact of Exhaust Gas Recirculation on NOx Emissions and Efficiency in Diesel Engines
Abstract: Abstract Exhaust gas recirculation (EGR) has emerged as a pivotal strategy to reduce nitrogen oxide (NOx) emissions from diesel engines, which significantly contribute to air pollution and environmental degradation. NOx emissions pose serious concerns due to their role in forming smog, acid rain, and adverse health impacts. By recirculating a portion of the exhaust back into the intake manifold, EGR reduces these emissions by restricting the manufacturing of NOx and …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 10, Issue 2, 2024 · pp. 1–5 Read article
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Mathematical Computation, Ecological and Human Health Implications of Water Quality Index of Bodo Creek, Niger Delta, Nigeria
Abstract: Bodo Creek has huge importance to the people in the area and also constitute their source of fishing, boating, dredging, and transportation to Bonny Island among other neighbouring coastal communities in Rivers State. Water contamination is a significant issue, but it has also brought up important environmental and public health concerns. The weighted arithmetic water quality index approach was used in this work to determine the Water Quality Index (WQI) …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 1, 2025 Read article
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Heavy Metals in Soil and Their Impact on Plant Health: A Contamination Study
Abstract: This study investigates heavy metal uptake, tolerance, and sequestration mechanisms in various plants, focusing on crops, such as tea, vegetables, and fruit trees that are susceptible to heavy metal contamination. Trace elements in plants, if overabundant, pose toxicity risks by disrupting metabolic and physiological functions. Plants counteract heavy metal complexes by immobilizing them within cell walls or vacuoles or by binding them to organic compounds produced in situ. Elevated levels …
Published in International Journal of Agrochemistry · Vol. 10, Issue 2, 2024 · pp. 7–12 Read article
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Xanthommatin as Agonist for Plant’s Abscisic Acid Receptor PYL10: OCTOPUS SKIN PIGMENT TO HELP PLANTS STOP SWEATING - An in-Silico Evaluation
Abstract: As the world moves from global warming to the global boiling stage, drought conditions will lead to tremendous loss in the realm of agriculture. Abscisic acid, a plant hormone, controls many physiological and developmental processes in plants, such as how they respond to biotic and abiotic conditions. Researchers have synthesized agonists of ABA receptors to get around the problems with natural ABA. The need of the hour is to design …
Published in International Journal of Agrochemistry · Vol. 11, Issue 1, 2025 · pp. 1–11 Read article
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Heavy Metals in Soil and Their Impact on Plant Health: A Contamination Study
Abstract: This study investigates heavy metal uptake, tolerance, and sequestration mechanisms in various plants, focusing on crops such as tea, vegetables, and fruit trees that are susceptible to heavy metal contamination. Trace elements in plants, if overabundant, pose toxicity risks by disrupting metabolic and physiological functions. Plants counteract heavy metal complexes by immobilizing them within cell walls or vacuoles or by binding them to organic compounds produced in situ. Elevated levels …
Published in International Journal of Agrochemistry · Vol. 10, Issue 2, 2024 Read article
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Design and Analysis of Metal-Organic Frameworks for Gas Adsorption and Storage
Abstract: Metal-Organic Frameworks (MOFs) represent a class of highly porous materials formed by the coordination of metal ions with organic linkers, exhibiting exceptional potential for gas storage applications due to their high surface area, tunable pore sizes, and structural versatility. The synthesis and characterization of MOFs intended for the effective storage of gases like carbon dioxide, methane, and hydrogen are the main topics of this work. Solvothermal Hectic strategies, including solvothermal, …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 25–30 Read article
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Mechanical, Thermal, and Electrical Properties of Poly(ether-ester)-Based Thermoplastic Elastomer Composites Filled with ZnO Nanoparticles
Abstract: A highly helpful technique to create novel polymeric materials with ordered and customized features is blending two or more immiscible polymers. The outstanding balance between processability and physical characteristics of thermoplastic polyester elastomers, particularly when using hydrogenated styrene–butadiene copolymer, makes them appealing materials for a variety of applications, including the automotive industry. New opportunities for tailored flexible composites with improved mechanical and chemical properties are made possible by reinforced polymers …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 10, Issue 2, 2024 · pp. 33–42 Read article
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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
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A Review on Nanotechnology for Catalysis and Solar Energy Conversion
Abstract: Abstract This roadmap on Nanotechnology for Catalysis and Solar Energy Conversion focuses on the application of nanotechnology in addressing the current challenges of energy conversion: ‘high efficiency, stability, safety, and the potential for low-cost/scalable manufacturing. Solar-to-fuel conversion involves using nanotechnology to improve the efficiency and effectiveness of converting solar energy into chemical fuels. Solar Water Splitting Nanotechnology is applied to enhance the process of splitting water into hydrogen and oxygen …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 10, Issue 1, 2024 · pp. 1–9 Read article