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900 articles for “Mechanisms”
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Garnet Intermetallic Compound to Memory Achievement
Abstract: This article subtended optimism to infer as of inter-bond speciation as from varying degrees of crystalarticulated formation to the horizon in the photonix arena. Colourless synthetic cubic crystal hasconfigurable mechanical, thermal and electro-optical properties. Gadolinium gallium garnet (GGG,Gd3Ga5O12) has crystal identity to allocate magnetic Gd ions on two interpenetrated corners of cubiccrystal analogy. Sublattice share of triangular geometry among Gd ions bear magnet isotropy tosubject sharp response devoid of dipole …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 1, 2021 · pp. 8–16 Read article
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Evaluation of Quality of Brake Fluids Available in Indian Market
Abstract: Brake fluid is a specialty fluid capable of transmitting hydraulic pressure from brake pedal through hydraulic lines to braking mechanism on wheels to slow or stop the vehicle. For this, it must be incompressible, possessing characteristics as per specified quality standards. To avoid formation of gas phase due to absorbed moisture, wet Equilibrium Reflux Boiling Point (ERBP) should be high enough. The present study pertains to the evaluation of quality …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 2, 2023 · pp. 15–25 Read article
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Determination of % recovery of the solute using Batch Leaching
Abstract: The aim of this study was to investigate the dissolution kinetics of salt in water in a mechanical agitation system and to precipitate salt using water at various conditions. Amount of Sand, Water and Salt were selected as parameters. It was observed that increase in the Salt content and decrease in the salt/sand ratio causes an increase the dissolution rate of salt. The dissolution extent is highly increased with increase …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 1, 2017 · pp. 15–23 Read article
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ROBOTIC ARM DESIGN BY 3D PRINTING TECHNOLOGY
Abstract: The work is designed to develop a pick and place robotic arm by using the 3D printing technology. This type of 3D printing is an additive manufacturing process. In this manufacturing process the three dimensional objects are produced by converting digital 3D model into physical 3D object. These 3D models can be designed by using AUTOCAD software or SOLIDWORKS and it can be transferred to 3D printing software. In 3D …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 21–27 Read article
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Membrane Distillation: An Emerging Technology
Abstract: Membrane distillation is a process that utilizes both temperature and pressure difference which results in the 100% theoretical separation of non-volatiles though the distillation is the very old form of purifying water this is the modified form of distillation that uses the membrane for better separation and it is also a highly effective one which can replace the conventional methods if it is exploited properly. This article aimed to develop …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 2, 2021 · pp. 23–33 Read article
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Comparison of Theoretical and Experimental Investigation of Suspened Solids Sedimentation Model in Stagnant Water Environment on Crude Oil Degradation
Abstract: In this investigation the developed model of Ukpaka’s, Stoker’s and Newton’s were compared with the determine values from the experimental data obtained in the suspended solid (TS) in a stagnant water environment. Theoretical and experimental data established in this research demonstrated a good match as well as the evaluated deviation error reveals acceptable range indicating the usefulness of these models in monitoring and predicting the TS sedimentation mechanism in crude …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 1, 2022 · pp. 1–16 Read article
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A Study on the Effect of Current Density on Electrocatalytic Behavior of Ni–Co Alloy
Abstract: Active, stable and more efficient electrocatalysts are the requirements for water splitting applications. In this direction, the present paper presents the experimental results on electrolytic development of Ni–Co alloy coatings, and their application as electrode material for hydrogen evolution reactions (HER) and oxygen evolution reactions (OER). The Ni–Co alloy coatings were electrodeposited on copper substrate from a sulfate bath, using the glycerol as additive. The deposited coatings were then tested …
Published in International Journal of Chemical Engineering and Processing · Vol. 3, Issue 1, 2017 · pp. 9–23 Read article
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Study of the energy utilisation characteristics of solid state hydrogen storage and recovery systems
Abstract: The energy usage patterns during solid state hydrogen storage and retrieval on commercially available hydride forming alloys have been examined in this work through thermodynamic model based calculations, considering the entire storage and recovery system. It is calculated that energy (mechanical and thermal) equivalent to about 16 to 30% of the stored hydrogen energy is involved in the hydriding step, while 9 to 40% of the stored hydrogen energy equivalent …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 1, 2020 · pp. 51–61 Read article
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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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Simulation of Biomethane Steam Reforming Plant for Hydrogen Production using Aspen Hysys
Abstract: Aspen Hysys simulation of a process plant for hydrogen production from biomethane through steam reforming process was considered in this work. Models for reactor designs were developed using the principles of conservation of mass and energy. The kinetic model for the biomethane steam reforming process was developed from first principle using the Eley-Rideal mechanistic approach. Computer software (Aspen Hysys) was adopted for the design and for the simulation of the …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 2, 2021 · pp. 10–20 Read article
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Studies on the Effect of Coal Mining on the Water Quality Parameters of Lilagar River Passing Through Dipika Coal Field Area
Abstract: Lilagar river is a perennial water resource which is the biggest tributary of river Mahanadi in Chhattisgarh Lilagar river originates from Urta village near Pali in Korba district. The river flows through forest land, cropland and density populated rural areas. Mining of coal also causes pollution. Coal mine water is acidic in nature and dissolves the toxic elements like Cd, Pb and Al. water from river, pond and other sources …
Published in International Journal of Environmental Chemistry · Vol. 1, Issue 2, 2015 · pp. 1–3 Read article
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Preparation of a composite Materials from activated carbon and waste plastic for water Treatment
Abstract: Insoluble resins offer several advantages in preparation processes, the chemical, photochemical and thermal mechanical properties of composites are largely affected by matrix properties. The aim of our study was a double aspect, the synthesis of a polymer-based ion exchanger from waste polystyrene and the composite material valorization in water treatment. a series of experiments was made to prepare the sulfonated polystyrene ion exchange resin and the composite material based on …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 2, 2019 · pp. 38–48 Read article
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Nanocoating and Electrospraying Techniques Used for Corrosion Mitigation of Aluminum in Nitrogen dioxide Environment
Abstract: Nitrogen gas absorbs moist air to produce nitric acid. It develops acidic medium for aluminum. It forms a corrosion cell on the surface of aluminum. The formation of corrosion cell is written as: Al|Al+3||H+|H2 thus Corrosion reactions accelerate on aluminum surface and Al is oxidized into Al+3 and the H+ ions is reduced into H2. This acid produces various forms of corrosion in aluminum like galvanic, pitting, stress, crevice, blistering, …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 2, 2020 · pp. 20–31 Read article
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Bioremediation of Polluted Drainage with Petroleum Hydrocarbon
Abstract: This research was aimed at examining the petroleum product discharge in drainage within Port Harcourt City, samples were collected and mixed. Microbial analysis and physicochemical properties of the sample were determined. The sample was subjected into bioremediation after culturing of the microorganisms isolated, identified and characterized. The two microorganisms used are pseudomonas aeruginosa and aspergillus niger. The results obtained revealed high concentration for heavy crude oil than mixed crude oil; …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 2, 2021 · pp. 24–34 Read article
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A Review on Potential Uses and Characterization of Okra Fiber Reinforced Polymer Composites
Abstract: The environment, ecology, and new rules from the government agencies are major concerns in the quick-paced society. As a result, scientists and researchers are searching for natural fiber reinforced composites that are biodegradable and renewable. Natural fibers have undeniable advantages over synthetic fibers, including low density, equivalent strength, non-toxicity, low cost, and minimal waste disposal issues. The possible uses of natural fibers have been thoroughly investigated by researchers. But in …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 2, 2022 · pp. 22–33 Read article
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Study of Corrosion Rate in Water Treatment Plant in Oil field
Abstract: The high cost of corrosion, the corrosion engineers concern and its reduction in oil, gas and petrochemical countries is essential about 10% of the cost of producing a barrel of crude oil cost. Corrosion rates in the world costs 42–80 cents a barrel for crude oil is produced, specific climatic conditions, history of the country's refineries and oil production are the main factors affecting the cost of corrosion in oil …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 Read article
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Synthesis and Characterization of Polyurethane in Powder Form
Abstract: Polyurethanes (PUs) are defined as a class of versatile materials with great potential for use in different applications, especially based on their structure-property relationships. Their specific mechanical, physical, biological, and chemical properties are attracting significant research to tailor made PUs for various applications. Enhancement of the properties and performance of PU-based materials are achieved through altering the production process or the raw materials used in their fabrication or via the …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 22–27 Read article
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ISONIAZID STABILIZED TUNGSTEN TRICARBONYL COMPLEX: A NEW CO-RELEASING MOLECULE WITH ANTIBACTERIAL ACTIVITY
Abstract: Transition metal carbonyl complexes substituted with biologically active ligand can act as CO-releasing molecules which have beneficial roles including antimicrobial activity. Careful choices of ancillary ligand such as isoniazid help in eliminating issues of toxicity that may arise from drug substrates. Substitution reaction of tungsten hexacarbonyl with isoniazid in the presence of trimethylamine N-oxide under nitrogen atmosphere was carried out at ambient temperature for 72 hrs. The product was characterized …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 36–43 Read article
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Examination of White Specie Onion for Production of Oil: Integration for Pharmaceutical Production
Abstract: Research work was carried out to examiner the characteristics of oil produced from white specie of onion obtained in Nigeria. The following functional parameters were examined with therefractive index of 1.34926, density of 1.1036g/cm3, viscosity of 2.45cst, iodine value of 28.1083%, saponification value of 10.94%, free fatty acid (FFA) of 11.264%, peroxide value of 45% and acid value of 2.104%. The result obtained reveals the significance of white onion specie …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 1, 2020 · pp. 1–14 Read article
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The Improvement of Polyvinyl Chloride Synthesis Using Different Approaches
Abstract: Polyvinyl chloride (PVC) is produced by the polymerization of the vinyl chloride monomer either by direct chlorination of olefins or by addition of hydrogen chloride to acetylene. The polymerization conditions are: heat, peroxides or oxidizing agents with basic structure as -CH2CHCl.CHCl-CH2.CHCl-. Polyvinyl chloride is a thermoplastic and its plasticity can be increased by incorporating ‘plasticizers’ of relatively low molecular weight organic materials during molding or extrusion. PVC has high hardness …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 48–52 Read article