About the Journal
Journal of Chemical Science and Technology (JCST) is an international journal specializing
in the communication of advanced achievements in all relevant fields of chemical
science and technology. The focus of the journal is to provide an open access for
researchers and scholars all over the world to share their experiences and opinions
related to Chemical science and technology.
Scholars from all relevant academic fields are invited to submit high-quality manuscripts
that describe the latest research results or innovations. All the submissions will
be peer-reviewed by experts in the same research fields.
Journal news:
1, JCST now is a member of CrossRef and has joined CrossCheck to fight against plagiarism. Ensure high ethical standards for all of the submitted papers.
2, JCST to be indexed by Gale
Journal of Chemical Science and Technology has been selected for indexing by Gale,
and papers of JCST will be included in due course, normally within several months.
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Modeling of Adsorption Isotherms for Methylene Blue Sorption onto Fly Ash Modified with Hydrochloric Acid
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Abstract:Batch adsorption experiments were conducted to investigate equilibrium, kinetic and thermodynamics of the sorption of Methylene Blue onto Fly Ash modified with various concentrations of hydrochloric acid (FAHC-4, FAHC-3, FAHC-2 and FAHC-1). Equilibrium data was best described by the Freundlich isotherm model which suggests adsorbents had heterogeneous surfaces therefore multilayer adsorption occurred in all cases. Fly Ash modified with 1M HCl exhibited the highest adsorption capacity (9.8 mg/L) and Fly Ash modified with 4M HCl had the least adsorption capacity (4.4mg/L). Kinetic data was best described by the pseudo-second-order kinetic model which means adsorption processes were controlled by chemisorption. Boyd kinetic model plots revealed that the rate determining step of each sorption process followed the film diffusion mechanism in which adsorbate ions travelled towards the external surfaces of adsorbents due to electrostatic interactions between chemically modified Fly Ash and adsorbate ions. All adsorption processes were spontaneous because Gibbs free energy of adsorption was negative in all adsorption processes.
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Author: Ebelegi Newton Augustus1, Inengite Azibaola Kesiye1, Ayawei Nimibofa1, Wankasi Donbebe1 | | 1.Department of Chemical Sciences, Niger Delta University, Wilberforce Island, Bayelsa State, Nigeria
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Abstract | References Full Paper:
PDF (Size:56KB),
pp.1-9, Pub. Date:
2017-
12-31
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| DOI:10.5963/JCST0601001 |
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Theoretical Comparison between Alumina and Fiberglass in Saving Heat Portability
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Abstract:Energy is always exist in surroundings but it cannot be saved. Many sources of renewable energy were discovered, the problem is how to utilize it. One of the most usable energy sources is the solar energy. And one of the most difficulties is the absence of this source in the night, so it must be stored in the form of another kind of energy. This research focus on using the insulation materials in building hot water storage tanks supplied with solar power to save hot water. Theoretical comparison in terms of energy storage portability between the most two common materials are used in building these tanks.
Matlab and Heat transfer equation used to compute properties for heat insulation and energy loss from the insulating material used to build the tank. Finite difference method used to solve heat equation for two kinds of insulating material (Alumina and fiberglass).
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Author: Zina A.B. Al -Shadidi1 | | 1.Department of physics, Faculty of Education, Aden University, Aden, Yemen
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Abstract | References Full Paper:
PDF (Size:105KB),
pp.10-17, Pub. Date:
2017-
12-31
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| DOI:10.5963/JCST0601002 |
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