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1957 articles for “activation” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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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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Implications from Mesomaterials: Recent Trend
Abstract: Mesomaterials are materials of larger surface area, specific pore volume, more active chemical sites and high chemical stability. Mesoporous materials are used for molecular filtration and separation by adsorption of chemicals. Mesomaterials remove pollutant, toxic, and carcinogenic compounds from medium by interfacial adsorption-physisorption-chemisorption process. Molecular filtration on other hand is studied from categories produced by nano-maso-composed forms like silanol. Adsorption heat pump is operated by waste heat of solar energy. …
Published in Emerging Trends in Chemical Engineering · Vol. 7, Issue 3, 2020 · pp. 17–22 Read article
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Implications from Molybdenum: Emerging Trend
Abstract: Molybdenum (Mo) is refractory metal to subject high tensile and creep strength, high resistance to heat and corrosion, good thermal diffusivity and satisfactory welding properties. Addition of alloy ingredients lying as Ti, Zr, Si, B, C produce extra additive property evolution to adhere more in accord applicability at high temperature structural items. Fabrication of homogeneous alloy has prepared more adhering to and by powder processing. Extra-in-diffuse thermal involved shock and …
Published in Emerging Trends in Chemical Engineering · Vol. 7, Issue 3, 2020 · pp. 5–10 Read article
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Model to Predict a Ratio Control of Hydrocarbon Acid and Water in a Packed Bed Reactor
Abstract: Model development was carried out to examine the ratio of hydrochloric acid gas and water in a packed bed reactor. The research predicted increase in output with increase in time, revealing the effectiveness ratio control of hydrochloric acid separation from water using absorption column mechanism. The density of the products played an active role in the separation process as well as in control action function. The developed model can be …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 1, 2021 · pp. 45–52 Read article
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Hexavalent Chromium Resistance Test of Saccharomyces Cerevisiae and Modeling of its Bioaccumulation Process
Abstract: Now a day, the release of high chromium containing tannery waste water from tanning industries to the environment is the life threatening action of human activities and bioaccumulation becomes a better alternative in treating heavy metals(such as Cr(VI) )due to its cost effective, relatively high heavy metal removal capacity and recovery property. Cell suspensions of S.cerevisiae at its exponential growth phase were added to 250 ml plastic flasks of containing …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 1, 2021 · pp. 36–44 Read article
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Effect of the U.V. Irradiation on the Aqueous Solution of Dye (i.e. Cresol Purple)
Abstract: This study aimed to estimate the effect of the U.V. irradiation on the aqueous solution of cresol purple. Then study the effect of the activation energy of each electron transfere on the absorbance and λmax values. The absorbance and λmax values of the selective λmax solutions were chanced in most solutions, where the U.V radiation gave different values at different irradiation periods, most of solution gave low values of absorbance …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 1, 2021 · pp. 30–35 Read article
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Formation of Anolyte and Catholyte Types of Water during electrolysis and their Effect on Living Organisms
Abstract: During electrolysis, an anolyte (dead water) and catholyte (living water) solutions are formed. Anolyte promotes metabolic processes, and is also mild antiseptic. The disinfecting effect of the anolyte is equivalent to treatment with iodine, brilliant green, hydrogen peroxide, without causing chemical burns of living tissues and not staining them. The living water, being a catholyte, has enhanced bio stimulating properties. It has a beneficial effect on the human organism, enhancing …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 3, 2021 · pp. 34–40 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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Mechanical Properties and Temperature distributionofHard Facingof SS-304 steelby using SAW
Abstract: Surface engineering is a multidiscipline activity aimed at tailoring the properties or surfaces of engineering materials to improve their function or service life. Mostly; as applied to metals, surface engineering includes processes; such as plating, diffusion treatment, physical and chemical vapor deposition, ion implantation, thermal spray coatings, selective hardening, hard facing, and a variety of less-used and proprietary processes. However; these processes will be described briefly and it will be …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 18–29 Read article
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A REVIEW PAPER ON BENDING ANALYSIS OF SHEET METAL WITH VARIOUS PROCESS PARAMETERS
Abstract: Sheet metal forming is a mostly use and expensive developed process. decrease of response time and costs, increases of the efficiency and superiority of the manufactured goods are very important for survival in the competitive manufacturing industry. Using Finite element analysis as a simulation Technique we can evaluate the performance of components, equipment’s and structures for various loading conditions. A categorization of managing geometry and material nonlinearity with regards to …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 41–46 Read article
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A Review of Building-Integrated Photovoltaic/Thermal (BIPV/T) Systems
Abstract: AbstractFor the last years, Building Integrated Photovoltaic (BIPV) was the only gate to use PV solar energy into housing area. However, there is another type of building integration technology which is building integrated photovoltaic-thermal (BIPV/T) that is gaining popularity at a very high rate. Therefore, this paper presents a review of the BIPV/T existing technologies, presenting a general overview of the system, including historical projects developed from the 80’s till …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 1, 2019 · pp. 9–27 Read article
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Voltage Stability Assessment of Wind Integrated System for Variable Wind Speed with FACTS Devices
Abstract: Requirement of power utilization is increasing exponentially both by industrial usage as well as in our day-to-day life due to inclusion of latest developments in the technology and automation. So, increase of power generation from conventional as well as non-conventional type of energy resources to meet these challenges is also needed. This increase in power generation is not possible alone by existing methods. Wind energy and integration of wind energy …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 3, 2016 · pp. 15–22 Read article
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Design and Development of Prototype of Air Cooling System for Truck Cabin using Heat from Engine Exhaust
Abstract: AbstractThe present work, the major spotlight is towards the design and development of a prototype of ai cooling system for the cabin of a truck c using waste heat from exhaust of an engine. From the literature review in the field of automobile air conditioning, it is observed that very less work has been done in the field of cabin cooling of transport trucks, which is crucial. The available options …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 2, 2019 · pp. 18–25 Read article
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Mapping the Vulnerabilities of Coastline Cities and Communities in Africa to Adapt to Climate Change: A Study of Lagos-Nigeria
Abstract: The Lagos coastline is active in nature and is located about less than six feet above sea level and houses about half of 15 million people in Lagos state, and is vulnerable to changes in coastline due to flooding and erosion. Climate change has aggravated this; sea-level rise will increase the risk of storm surge flooding, and coastal erosion threatening coastal cities. The annual rainfall along the coastline of Lagos …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 1, 2020 · pp. 44–57 Read article
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An Evaluation of Climate-Resilient Urban Transport System Using Climate Change Scenario in Lagos Metropolis, Nigeria.
Abstract: Abstract The objective of this project is to provide transit professionals with information and analysis relevant to adapting [1] transportation assets and services to climate change impacts. Climate impacts such as thermal discomfort and flooding will hinder agencies’ ability to achieve goals such as attaining a state of good repair and providing reliability and safety. The report examines anticipated climate impacts on Lagos transit and current climate change adaptation efforts …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 2, 2020 · pp. 1–14 Read article
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STRATEGIES FOR TRANSFORMING OIL AND GAS SECTOR FOR ECONOMIC GROWTH AND ENVIRONMENTAL SUSTAINABILITY IN NIGERIA
Abstract: There is great demand for drastic transformation of oil and gas sector for optimal delivery,environmental safety, and economic growth in Nigeria. The ever-increasing demand and insufficient supply of oil and gas products in Nigeria has been a great challenge to her development. This paperhighlighted some strategies for transforming oil and gas sector in Nigeria. Recent annual report of department of petroleum resources were used as the basis for the investigation …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 2, 2021 · pp. 40–45 Read article
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A Review on Load Sharing Control between Wind Energy & Diesel Generator
Abstract: The foundation of any research work is the literature survey. This is based upon the study and field work done by researches. A number of research papers have been published that explains different control strategies for load sharing between two systems. The present survey is about the load sharing between wind turbine system and diesel generator. In this paper, a review of wind- diesel load sharing algorithm was added to …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 2, 2021 · pp. 47–59 Read article
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H2O and Sunlight as an Alternative to Petroleum Fuels; Pros and Cons
Abstract: The increased requirements of energy and the increased rate of pollution have forced us to find an alternative to petroleum fuels. The tremendous research on nonmaterials has opened new opportunities for the utilization of renewable energy. Semiconductor nanotechnologies are contributing towards their applications in hydrogen fuel production by splitting water by using solar energy. This review report gives the introduction to water-splitting, electrolysis of water, photosynthesis, photocatalytic water-splitting, photoelectrochemical water-splitting, …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 13, Issue 1, 2022 · pp. 29–36 Read article
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Wireless Weather Monitoring and Reporting System Powered by Renewable Energy and the Internet of Things
Abstract: This work demonstrates an autonomous, renewable energy-powered weather monitoring system. A NodeMCU microcontroller that uses Wi-Fi to transmit data to the internet and a weather station that detects temperature, humidity, and air pressure make up the system. The system is run by a solar panel that charges a rechargeable battery, making it possible for it to function even in places without access to an electrical grid. The IoT platform ThingSpeak, …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 1, 2024 · pp. 1–12 Read article
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Different Types of Control Grid in Solar System
Abstract: This paper gives a concise prologue to photovoltaic (PV) systems, with an emphasis on those that interface with the current electrical grid. The solar modules, intersection box, on-grid inverter, principal board, AC separate, net meter, and electrical grid are only a portion of the parts examined. It represents the qualities of the numerous assortments of solar cells utilized in PV transformation, including monocrystalline, polycrystalline, and undefined silicon cells, and their …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 2, 2024 · pp. 1–7 Read article