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870 articles for “factor”
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Valorization of agro-industrial waste into bioethanol: a case of brewers spent grain
Abstract: AbstractThe global impetus to produce alternatives to petroleum-based fuels and value-added chemicals to reduce greenhouse gases are putting pressure on the industries to diversify and valorize byproducts. By-products valorization of the brewery industry such as spent grain has given critical attention for long-term socio-economic and environmental benefits. Brewer`s spent grain is the major by-product of the brewing industry, represses around 85% of the total by-product generated. In the current work, …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 6, Issue 1, 2020 · pp. 1–20 Read article
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Determination Of Soil Bearing Capacity for a Proposed 3-Storey Agricultural Engineering Complex
Abstract: At the course of the research work, bore- holes were dug at the proposed site and soil samples were collected at depth 1m, 2m, and 3m for geotechnical analysis to determine the suitability of the site for 3-storey Agricultural Engineering complex construction. The laboratory analysis performed yielded the results listed below; It was discovered that the soil's natural moisture content ranged from 11.69% to 13.01%. All samples had an exact …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 2, 2023 · pp. 35–41 Read article
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Development of Mathematical Model for the Catalytic Polymerization of Propylene Process
Abstract: Mathematical model was developed to monitor, predict and simulate the catalytic polymerization of polypropylene process in a continuous stirred Tank Reactor, (CSTR). The developed model was based on consideration of functional parameters that influence the catalytic polymerization of propylene process production. These functional parameters are hydrodynamic factors, which induce process coverage into Aspen polymers to demonstrate the reliability of mass and heat transfer phenomena experienced during catalytic polymerization of propylene …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 29–36 Read article
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Hypotheses for Life Origin on Earth, Comparison and Validation
Abstract: Life origin on Earth is an interesting topic all over world. RNA world, extraterritorial living-form landing, volcanic eruptions, cooperative biological origin hypothesis are major hypotheses so far. A great number of physics, chemical, biological and ecological factors are shared in this Editorial. Advantages and limitations of different aspects of life-origin hypotheses are overall highlighted. KEYWORDS Human evolution, life-origin, RNA-world, systems biology, genetic information system, environmental ecology,
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 63–66 Read article
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Novel method for determination of kinetic constants from dynamics in a batch reactor with constant heat input rate
Abstract: In this article a novel method of obtaining reaction kinetic constants is described. It consists of measuring both concentration and temperature dynamics in a batch reactor supplied with a constant heat input rate. A system of esterification reaction between acetic acid and methanol in the presence of a cationic resin catalyst is studied. This reversible reaction’s rate is modeled by molecular order and as pseudo homogeneous assumption. By just one …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 19–23 Read article
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Life Origin on Earth, Biochemical Approaches
Abstract: An enigmatic fate of life origin on Earth is embodied with a number of different hypotheses. In addition, a great number of physics, chemical, biological and ecological factors can affect the courses and dimensions of evolutionary evidence discovery and earth environments for life formation.KEYWORDS Human evolution, life-origin, RNA-world, systems biology, genetic information system, environmental ecology
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 2, 2019 · pp. 1–3 Read article
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Design of a Plug Flow Reactor for Production of Refrigerants from Natural Gas Chlorination
Abstract: The design of a plug flow reactor and distillation column for the production of refrigerants from natural gas chlorination, was aimed at achieving high purity volume percent of Methyl Chloride (CH3Cl) and Methylene Chloride as desired products. Aspen HYSYS software was used to simulate the reactor. The reaction was carried out at a temperature of 3000C and 1atm Pressure, Methane to Chlorine ratio was set at 1.5:1 to favour the …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 2, 2021 · pp. 10–22 Read article
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Oxidative Desulfurization of Petroleum
Abstract: One of the most successful desulfurization procedures for the creation of ultra-low sulphur import fuels is oxidative desulfurization, which converts aromatic sulfur-containing molecules into sulfone counterparts before being extracted. Oxidative desulfurization processes using graphene oxide are of great interest for fuel sulfur removal. Its technique of desulfurization in reactions catalyzed was thoroughly detailed in this review, along with graphene’s function as a supported catalyst, the findings of research on oxidative …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 1–4 Read article
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Mechanisms for Biological Energy Transduction
Abstract: One of the most intriguing aspects of plant metabolism is energy transduction, and a significant amount of study has gone into understanding the process by which the different activities operate. When light energy is employed in the chloroplast to create Adenosine triphosphate (ATP) from Adenosine diphosphate (ADP), transduction is taking place. This is the process of converting one form of energy into another. The reactions involved in this research are …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 18–22 Read article
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Effect of Temperature on Particle Size Mixed Ratio on Petroleum Hydrocarbon Treatment in Packed Bed Unit using Adsorbent
Abstract: The significance of temperature on the potential characteristics of the adsorbent performance in treatment of polluted water medium was monitored by using both room and sun dried bioadsorbent. The research furthermore showcases the effect of particle size of the bioadsorbent in the treatment process and obtained result revealed that the particle size is a contributing factor to the efficiency and the potential in which the rate of Total Petroleum Hydrocarbon …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 2, 2023 · pp. 1–12 Read article
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Thermodynamic Optimization of Renewable Energy Processes
Abstract: In the pursuit of sustainable energy solutions, the thermodynamic optimization of renewable energy processes plays a crucial role in enhancing efficiency and reducing environmental impact. This paper explores the principles and methodologies involved in optimizing various renewable energy systems, including solar, wind, biomass, and geothermal energy. By leveraging the fundamentals of thermodynamics, the study examines key parameters and performance indicators to identify optimal operating conditions and design configurations. The analysis …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 2, 2023 · pp. 31–37 Read article
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Exploring Thermodynamic Heterocyclic Compounds: A Comprehensive Analysis
Abstract: Heterocyclic compounds constitute a significant class of organic molecules with diverse applications in various fields including pharmaceuticals, materials science, and agrochemicals. Understanding their thermodynamic properties is crucial for elucidating their behavior in different environments and optimizing their applications. This comprehensive analysis delves into the thermodynamic aspects of heterocyclic compounds, encompassing their synthesis, structural characteristics, and energetics. The review begins by outlining the fundamental principles governing the thermodynamics of heterocyclic compounds, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 1, 2023 · pp. 40–46 Read article
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Study of RC Framed Building in Different Siesmic Zones for Economic Consideration
Abstract: Abstract In present scenario, the society is expecting to have optimum design with economic considerations. Cost of building, plays a very important role in construction. As the structural cost forms the major component of the building cost, there is need to evolve appropriate cost modeling techniques to project the structural cost at the early stages of the planning and design. Earthquake resistant design is very important factor that decides the …
Published in International Journal of Construction Engineering and Planning · Vol. 1, Issue 2, 2015 · pp. 14–19 Read article
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Terrace Garden - Alternative for Passive Cooling
Abstract: Rising development of concrete jungles has questioned the sustainability and ecological aspect of many cities and even countries. The paper bridges the gap on how a single green element – a terrace garden helps in dealing with this crisis and harness the concept of sustainability. Urban greenery and urban landscaping, is a growing trend and using these terraces as an aesthetic aid is one of the wide range benefits it …
Published in International Journal of Construction Engineering and Planning · Vol. 9, Issue 1, 2023 · pp. 9–29 Read article
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Study of the Effect of Water Retarding Concrete Admixtures on the Properties of Concrete
Abstract: Water retarding concrete admixtures and super plasticizer are extensively utilized to recover the structural and mechanical properties of fresh and hardened concrete. These admixtures are more regularly used in pre-stressed concrete, slim components with overfilled and densely filled reinforcement, beams and slabs pre-cast basics and long slender column. In current decades, marvelous success has been attained in the progression of chemical admixtures for Portland cement. Most efforts have concentrated on …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 1, 2018 · pp. 10–14 Read article
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EFFECT OF SUPERVISION ON PRODUCTIVITY OF CONSTRUCTION INDUSTRY IN NIGERIA
Abstract: Poor supervision in the workplace has been identified to be among the primary obstacles to achieving potential successes by an organization. Insufficient direction is thought not only to be the major causes of revise but also resulted in low productivity, poor safety, lesser working conditions, and little quality of construction industry end product. Also lack of effective supervision is seen as an inevitable feature of the construction process which has …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 2, 2018 · pp. 22–29 Read article
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Smog Eating Structure
Abstract: Air quality has deteriaoted significantly over the past two decades, today pollution is one of the largest risk factors contributing to the disease’s burden, Air pollution affects individual health of citizens, increases mortality and morbidity rates and contributes in climate changes. So, in this paper we have used titanium-dioxide-infused concrete, which can remove smog from air when exposed to sunlight and ultraviolet lights. This technology is based on particles of …
Published in International Journal of Construction Engineering and Planning · Vol. 7, Issue 2, 2021 · pp. 15–20 Read article
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Abrasion resistance, compressive strength and elasticity modulus of recycled aggregate concrete (RAC) included lower quality recycled aggregate with and without silica fume
Abstract: The usage of recycled aggregate (RA) for concrete works is spreading for gaining wide acceptance around the world, and total amount of RA utilized in concrete industry increases day-by-day. RA is used in many concrete products, such as concrete interlocking blocks, pavements, etc. One of the physical causes of concrete deterioration is surface wear or loss of mass for concrete products which are especially exposed to vehicular traffic (i.e., industrial …
Published in International Journal of Concrete Technology · Vol. 2, Issue 1, 2016 · pp. 1–18 Read article
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Tensile Strain Reduction in Asphalt Concrete Mixtures through Rubberization at the Asphalt Bound – Subgrade Layer Interface
Abstract: Tensile strains are major contributors in determining the fatigue life of asphalt concrete pavement because they are responsible for fatigue cracking. Therefore, knowledge of strains and their role is of vital importance to the Highway Engineer. However, the focus of the present study was to investigate measures by which these damage contributing factor – “tensile strain” could be reduced at the interface of the asphalt concrete – subgrade layer. The …
Published in International Journal of Concrete Technology · Vol. 2, Issue 1, 2016 · pp. 44–53 Read article
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Statistical Analysis of Self-Compacting Concrete Impregnated with Coir Fiber
Abstract: Concrete is the construction material widely used throughout the world. Construction materials used in the industry should be friendly with the environment during its usage. Self-compacting concrete (SCC) is an innovative concrete that does not require vibration for placing and compaction. It is able to flow under its own weight, completely filling formwork and achieving full compaction, ev+ en in the presence of congested reinforcement. The hardened concrete is dense, …
Published in International Journal of Concrete Technology · Vol. 3, Issue 2, 2017 · pp. 39–49 Read article