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140 articles for “hydro-electric”
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Studies on sources of lithium
Abstract: AbstractLi is abundant in nature amounting 20 mg/kg of the earth crust. Li widely used in Li ion batteries (LIBs), powerLIBs, chemicals, ceramics, glasses, rubber, reactors, pharmacy, space sectors and alloyed to Al. Sources of Li are natural deposit of minerals, salt crust, brine, salt lakes and ocean basin accumulations. Economical route of extractions are hydrometallurgy and pyrometallurgy. Sorption of selective element by inorganic ion exchange applied for poor containment …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 2, 2020 · pp. 12–17 Read article
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Optimizing Power Factor and Efficiency in EV Chargers: Bridgeless Isolated Zeta-Luo Converter Solutions
Abstract: This paper focuses on enhancing the power factor of Electric Vehicle (EV) chargers through the implementation of a Bridgeless Isolated Zeta-Luo Converter. Poor power factor is a common feature of conventional charging systems, which increases energy losses and decreases efficiency. It is critical to address the serious environmental problems that transportation-related hydrocarbon emissions represent in the modern world. Electric car adoption is picking up steam as a means of promoting …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 10, Issue 2, 2024 · pp. 1–7 Read article
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Effect of TiO2 on HER Activity of Electrodeposited Zn–Ni Coatings
Abstract: This paper demonstrates the improved electrocatalytic behavior of Zn–Ni alloy coatings for alkaline hydrogen evolution reaction (HER), due to addition of TiO2 nanoparticles into the bath. Zn–Ni alloy coatings have been electrodeposited galvanostatically on copper, with wide compositional range (2.31–7.91 wt. % of Zn) at different current densities (c.d.) between 2.0 and 5.0 A dm-2. The electrocatalytic behaviors of all coatings have been studied for alkaline HER in 1.0 M …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 Read article
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Schemes of Trace Selenium Nanoparticles on Earth
Abstract: This article is written about resources of selenium compatible with dosage-wise recovery from nature. Selenium (Se) above trace is toxic to human beings. The plant is the source of Se based on differential stages in botanical ethics from various parts of plants. Selenium found in nature as selenite, selenite, selenides, and seleno-proteins in plants. Se nanospheres related to a size considered as of importance in industry and biology acts. Antimicrobial …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 1, 2021 Read article
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A Comprehensive Characterization of Zinc Chloride: Unveiling its Role as a Hygroscopic Preservative and Drying Agent through Elemental, Structural, and Morphological Analysis
Abstract: This study presents a detailed investigation of Zinc Chloride( )) utilizing the following different analytical techniques, X-ray diffraction(XRD), Electron Dispersive Spectroscope (EDS), Transmission Electron Microscope (TEM), Scanning Electron Microscope (SEM). Zinc Chloride was synthesized using the hydrothermal method. The elemental, structural, morphological, and optical properties of Zinc Chloride ( )) were thoroughly analyzed. The hygroscopic nature and properties of Zinc Chloride upon exposition to air was revealed and its weight/mass …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 2, 2023 · pp. 13–19 Read article
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Development of a Conceptual Framework for Licensing of Nuclear Cogeneration Plants: Insights based on the Indian Experience and Global Best Practices
Abstract: Nuclear cogeneration projects represent industrial scale non-electric applications of nuclear power, providing value added products and services such as freshwater, high grade heat, hydrogen and other power fuels, district heating, etc. These projects are typically coupled (either thermally and/or electrically) to the secondary cycle of the power plant and can cater to multiple on and off site users. With growing interest in nuclear power and increasing recognition of the role …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 1, 2021 · pp. 1–11 Read article
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Effect of MoS2 Nanosheets on ACNT-MoS2 Nanohybrids
Abstract: Here amorphous carbon nanotube – molybdenum disulfide nanohybrids were prepared using hydrothermal method. Here the amount of thiourea and hexaammonium heptamolybdate tetrahydrate were taken in two different amount such as 2.34g:1.28g and 4.68g:2.46g. The amount of amorphous carbon nanotube were kept at 0.5g of fixed amount. Finally the two as prepared nanohybrids were characterized by using field emission scanning electron microscope method.
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 2, 2019 · pp. 1–7 Read article
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Studies on mass transfer in annular conduits with coaxially placed entry region vane assembly as turbulence promoter in homogeneous flow
Abstract: Studies on mass transfer in annular conduits with coaxially placed entry region vane assemblies as turbulence promoter in homogeneous flow were presented in this paper. The electrolytes used were equimolal potassium ferricyanide, potassium ferrocyanide and excess sodium hydroxide. Limiting current data had been obtained for the reduction of potassium ferricyanide ion. The mass transfer correlation is based on law of the wall similarity. The variables covered in this study are …
Published in International Journal of Chemical Engineering and Processing · Vol. 1, Issue 2, 2015 · pp. 7–18 Read article
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Amorphous Carbon Nanotube-MoS2 Nanohybrids : A New Future Material in the Application of Battery, Supercapacitor and Field-emission Display Devices
Abstract: The discovery of graphene make the researcher interested towards the other two-dimensional material which has quite similar properties like graphene. Among them, MoS2 nanosheets has extraordinary optoelectronic and physical properties. It has several applications in developing battery, sensor, optoelectronic device etc. On the other hand, amorphous carbon nanotube can be synthesized by using a low temperature chemical process. Due to the easy processing of amorphous carbon nanotube (ACNT), good optoelectronic …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 5, Issue 2, 2019 · pp. 36–45 Read article
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Industrial Wastewaters Purifier
Abstract: The main problem in all existing electroflotators for wastewater treatment is the salinization of the space near the cathode during electroflotation, which leads to the formation of salt deposits on the cathode, which heavily cover the cathode surface, which can lead to a complete coagulation of the process. electroflotation cleaning. Another problem is that a dense wire grid of a certain thickness is used as the anode, which increases the …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 1, 2021 · pp. 36–46 Read article
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FESEM and HRTEM Analysis of ACNT-MoS2 Nanohybrids
Abstract: Material characterization is very important aspect of material science for characterizing the material. Specially field emission scanning electron microscope (FESEM) and high resolution transmission electron microscope (HRTEM) are very useful for characterize the nano-structured material. Here amorphous carbon nanotube – MoS2 nanohybrids were characterized by using FESEM and HRTEM method. Amorphous carbon nanotube-MoS2 nanohybrids were prepared through hydrothermal method using amorphous carbon nanotube, hexaammonium heptamolybdate tetrahydrate and thiourea as main …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 5, Issue 2, 2019 · pp. 20–26 Read article
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Electrolytic Deposition of Zn–Ni Alloy from Acidic Sulphate Bath and Their Characterization
Abstract: A bath containing ZnSO4.7H2O, NiSO4.7H2O, thiamine hydrochloride (THC) and citric acid (CA) has been proposed. Bright Zn–Ni alloy coatings were developed galvanostatically onto mild steel (MS) and their corrosion resistance and other physical properties were studied. THC was found to improve the brightness and homogeneity of the deposit. The dependency of bath composition, current density (c.d.), pH and temperature, agitation on wt.% Ni were tested. Deposition was carried out under …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 2, 2016 · pp. 19–32 Read article
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Electrodeposition of Bright Zn–Co–Fe Alloy Coatings on Mild Steel and Their Characterization
Abstract: Sulphate bath having ZnSO4. 7H2O, CoSO4. 7H2O, FeSO4.7H2O and thiamine hydrochloride (THC) and citric acid (CA) in combination, was optimized for deposition of bright Zn–Co–Fe alloy coating on mild steel. Bath constituents and operating parameters were optimized by Hull cell method, for highest corrosion performance against coating. The effect of current density on deposit characters viz., corrosion resistance, hardness, thickness, CCE were evaluated. Potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) …
Published in International Journal of Analytical and Applied Chemistry · Vol. 2, Issue 2, 2016 · pp. 17–25 Read article
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A Review on Bio-Oil Production from Agricultural Waste Based on Various Processes, Bio-Oil Yield and Energy Recovery
Abstract: Agricultural waste generated through cultivation of crops, vegetables, fruits, and poultry can pollute the environment and affect the health of both humans and animals. Traditionally, most agricultural wastes are either burned or disposed of in landfills which cause acute environmental pollution. These easily accessible and underutilized agro-wastes remain a potential resource for biofuel production. This review analyses several thermochemical and biochemical methods encompassing pyrolysis, gasification, and hydrothermal carbonization (HTC) and …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 11, Issue 1, 2025 · pp. 9–19 Read article
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Resourced morphological issued to gallium
Abstract: AbstractThis article summarizes some formatives over gallium (Ga) form associated minerals and waste electronic goods. Geological resource has considerations over sea-in-basins performor natural beneficiation from products of volcanic disruptions. Ga as by-product has extracted from fly ash, slags, scraps and wastes, mine tailings, mineral deposits those associate Ga, wastes from Zn, Al plants, flue dusts, and coal ashes. Leaching methods are more protocoled than pyrolysis. Locked in quartz Ga deposits …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 2, 2020 · pp. 12–16 Read article
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Bioethanol Production from Corncob Cellulosic Biomass: RSM and ANN based Optimization for Dilute Acid Pretreatment
Abstract: To increase the yield of fermentable sugars, the complexity of lignocellulosic biomass requires a pretreatment method. Dilute acid hydrolysis was used to efficiently pretreatment corn cobs. The aim of this study was to characterize corncob and investigate the effect of process parameters on total reducing sugar (TRS) yield during dilute acid hydrolysis pretreatment of corncob biomass. The morphology and microstructure of the samples were examined using an X-ray diffraction machine, …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 2, 2023 · pp. 16–34 Read article
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Methodology And Operation Of Dc Micro Grid For Wind And Solar Power Integration
Abstract: Distributed generators (DGs) focused on renewable energy play a dominant role in the production of electricity, with the increase in global warming. With the use of fuel cells and microturbines, distributed generation based on wind, solar energy, biomass, mini-hydro will give significant momentum in the near future. Advantages such as environmental friendliness, expandability and versatility have made distributed generation an attractive option to manage modern electrical grids, powered by various …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 5, Issue 2, 2019 · pp. 25–36 Read article
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Evaluation of Rivers State Promotional Strategies for Virtual Power Plant using 100% Renewable
Abstract: The physical wellbeing of people is attributed to efficient energy, and it is also pivotal in thedevelopment of a country’s economy. In Nigeria, constant availability of power has become a problemfrom independence to this day. Energy from biomass, wind solar and hydro-power, would be helpful insolving the country’s problem in terms of electricity. It is estimated that Nigeria can produce 2.01 EJ(47.97 MTOE) of energy from 168.49 million tones of …
Published in International Journal of Energetic Materials · Vol. 7, Issue 1, 2021 · pp. 22–31 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 Multi-Area Load Frequency Control
Abstract: The operation of interconnected deregulated power system is totally based upon the balance between power generation and the load variation including system losses. Two variables of interest which are affected due to the sudden variation in load perturbation are system frequency and tie-line power. The approach of most of the researchers towards solving this problem has been to obtain the best method of controlling the governor action so that the …
Published in International Journal of Analog Integrated Circuits · Vol. 5, Issue 2, 2019 · pp. 21–39 Read article