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2000 articles for “Development” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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A Review Status on Application of Separation Techniques in Daily Life
Abstract: In chemistry and related fields, a unit operation is the basic step in a process. Unit operations involve a physical change or chemical transformation such as separation, crystallization, evaporation, filtration, polymerization, isomerization, and other reactions. Researchers have developed economic ways of using materials and energy. Chemical engineers use chemistry and engineering to turn raw materials into usable products, such as medicine, petrochemicals and plastics on a large-scale industrial setting. They …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 2, 2017 · pp. 30–35 Read article
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FEASIBILITY STUDIES ON A DISTILLATION CASCADE FOR PRODUCTION OF ULTRA-HIGH PURITY TRICHLOROSILANE
Abstract: Elemental silicon is the backbone of the electronics and the solar photovoltaics industry in the present times. This work examines the purification of a silicon precursor such that the total impurity content in it is limited to a few parts per million. Trichlorosilane (TCS) is one of the most important precursors in the production of electronics grade elemental silicon. This is because of the relative ease with which crude trichlorosilane, …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 1, 2018 · pp. 19–35 Read article
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Analysis of Vapour-Liquid Equilibrium Behaviour of Cryogenic Hydrogen-Deuterium Mixtures Using Cubic Equation of State-based Method
Abstract: A comparative analysis of the vapour liquid equilibrium behaviour of the cryogenic hydrogen-deuterium system calculated under the assumption of an ideal solution using pure component vapour pressure data versus that of a real solution using Peng-Robinson cubic equation of state has been presented in this work. It is found that assumption of ideal solution leads to over prediction of the relative volatilities by 14% to 57% depending on the mixture …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 2, 2018 · pp. 1–13 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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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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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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Purification of Pectinase Derived from Peels of Mango, Papaya, and Banana using Aspergillus Niger
Abstract: Its name comes from the Greek word pectin, which means "congealed and curdled." Heneri Bracannot was the first to isolate and describe it in 1825. Pectin, a multifunctional constituent of cell wall is the high value functional food ingredient widely used as gelling agent and as stabilizer. Fruits contain pectin, a fibre. It's frequently used in food and cooking as a thickening. It's used to create medicine on occasion. Pectin …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 2, 2021 · pp. 39–48 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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Application of Hengstebeck's Model in Multicomponent Crude Oil Distillation Design
Abstract: Mathematical models were developed for the analysis of the Atmospheric Crude Distillation Unit of Port Harcourt Refinery in Nigeria. The resultant system of equations was solved using the method of matrix inversion using Mathlab software and the models predicted with reasonable accuracy composition of side draws (different fractions) and temperatures. Also, the effect of process parameters on the overall performance of the unit was studied. In addition, the study applied …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 1, 2022 · pp. 13–19 Read article
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Mass Production and Isolation of Trichoderma harzianum from Different Media Using Liquid and Solid Fermentation Technique and Evolution against Fusarium oxysporum
Abstract: Mycelial growth conidal production and biomass yield of trichoderma species (Trichoderma harzianum) were examined on different culture media including potato dextrose media, waksman media, soyabean meal media, glucose peptone media, jaggery media, malt extract media, cornmeal media, czepaks media. A big factor in growth rate was the medium. The optimum medium in terms of growth spore generation and biomass output was soyabean meal media. For mycelial growth, biomass output, and …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 1, 2022 · pp. 27–37 Read article
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Chemical Analysis of Ground Water Quality in Jaipur for Multi Purposes
Abstract: Jaipur's groundwater quality is steadily declining as a result of the city's growing development and modernization. The present study's assessment of the water quality is restricted to the principal ions' concentrations, distributions, relative abundances, and patterns of changeability in the chemistry of the groundwater. An evaluation of groundwater for domestic usage is made based on the chemicals present in the water. 22 ground water samples from Jaipur, Rajasthan, were collected …
Published in International Journal of Chemical Separation Technology · Vol. 9, Issue 1, 2023 · pp. 40–44 Read article
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Predicting the TPH Concentration along Horizontal Direction of Stagnated Water Contaminated with Crude Oil
Abstract: The research predicts and models TPH concentration along Horizontal Direction of Stagnated water contaminated with Crude Oil. TPH diffusion in the stagnant water media was studied using Developed Dispersion and Degradation Model incorporated with first order degradation rate and the Monod equation. TPH content decreased with increase in time, but randomly varied across the depths. The impact of crude oil was more in the fresh water compared to salt water …
Published in International Journal of Chemical Separation Technology · Vol. 9, Issue 1, 2023 · pp. 12–22 Read article
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Pinch analysis of Cumene process using Aspen Energy Analyzer
Abstract: This article is divided into two parts. In the first part a process flow diagram for the production of cumene is designed with Aspen HYSYS. Cumene obtained is 98.78% pure and the designed plant is safe to environment with less emissions. In the second part heat exchanger networks (HEN) was developed for the process plant by performing pinch analysis using Aspen Energy Analyzer. Retrofit analysis was applied to find an …
Published in International Journal of Chemical Engineering and Processing · Vol. 1, Issue 1, 2015 · pp. 21–30 Read article
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Design and Pinch Analysis of Methyl Acetate Production Process using Aspen Plus and Aspen Energy Analyzer
Abstract: Abstract This study deals with the design and heat integration of Methyl Acetate production process. Initially, Methyl Acetate production process plant is designed using Aspen Plus. Methyl acetate obtained is 99.99% pure and the designed plant is safe to environment with less emissions. For the developed process plant, pinch analysis is applied using Aspen Energy Analyzer. Improved Heat exchanger networks (HEN) is obtained with retrofit analysis of the process plant. …
Published in International Journal of Chemical Engineering and Processing · Vol. 1, Issue 1, 2015 · pp. 31–40 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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Influence of CeO2 nanoparticles on the corrosion behavior of electrodeposited Ni coatings
Abstract: Nickel-Ceria (Ni-CeO2) nanocomposite coatings were developed on mild steel (MS) substrate using electrodeposition method. The codeposition of the nanoparticles was achieved from the optimized Ni plating bath loaded with CeO2 nanoparticles (particle size <20 nm). Ni and Ni-CeO2 coatings were achieved at a wide current density (c.d.) range from 1.0 to 5.0 A/dm2 under optimal conditions, and their corrosion protection efficacy was examined in 5% NaCl medium. The material property …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 1, 2016 · pp. 19–28 Read article
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Magneto-electrodeposition of Sn–Ni alloy Coating for Better Corrosion Protection
Abstract: The present paper reports the development of excellent corrosion resistant Sn–Ni alloy coatings from a new pyrophosphate bath by magneto-electrodeposition (MED) approach. First part reports optimization of conditions for deposition of Sn–Ni coatings on mild steel by conventional electrodeposition (ED) method and their characterization. The second part demonstrates how the corrosion resistance of Sn–Ni alloy coatings can be improved drastically by MED method, using same bath. Significant decrease of corrosion …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 1, 2016 · pp. 29–42 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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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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Electrochemical Sensors: An Intense Mechanism in Scientific World
Abstract: Potentiometric, amperometric and conductometric electrochemical sensors have found a numeral of exciting uses in the areas of environmental, industrial, and clinical analyses. This review presents an overall outline of the three main kinds of electrochemical sensors, relating fundamental characteristics, improvements and their involvement to the area of analytical chemistry, concerning appropriate characteristics of the development of electrochemical sensors.
Published in International Journal of Chemical Engineering and Processing · Vol. 3, Issue 1, 2017 · pp. 41–45 Read article