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201 articles for “matrix”
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Analytical Profiling of Processed Printer Inks on Papers for Inorganic Trace Elements by Energy Dispersive X-Ray Microanalysis
Abstract: For the forensic examination of printed documents, an attempt has been made to determine the elemental composition of inks of ink jet printer taken from sample documents using nondestructive technique of Scanning Electron Microscope-Energy Dispersive X-Ray Spectrometry and in order to generate the analytical profiling of printed inks for inorganic trace elements leading to the differentiation of printers. All the four primary inks used in printers are the matrix of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 6, Issue 1, 2020 · pp. 5–13 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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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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Chemical Resistance of Coconut Shell-Filled Rubber Vulcanizates
Abstract: In this contribution, the uptake of water, methanol, acetone and toluene at ambient temperature by Coconut Shell-Filled Rubber Vulcanizates as a function of time were studied. The rubber vulcanizate with varying Coconut Shell filler (CSF) concentration of 10 to 50 pphr at 10 pphr interval was prepared using two roll mixing mill and compression moulding process. The effect of filler loading on the percentage uptake of different chemicals (water, methane, …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 2, 2021 · pp. 37–42 Read article
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Preparation and Performance Evaluation of LDPE/Rice Starch Blend Composites by Extrusion Method
Abstract: Discarding synthetic polymers such as low-density polyethylene (LDPE) used in food packaging ingredients is today considered a serious ecological threat because they are non-decomposable. The goal of this article is to create a decomposable polymer by incorporating a bio-polymer (starch) into its polymeric matrix. This article focuses on the preparation and characterization of rice starch (RS)-mixed LDPE decomposable polymer. In the first study, the effect of variability of RS content …
Published in International Journal of Chemical Engineering and Processing · Vol. 8, Issue 1, 2022 · pp. 1–22 Read article
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Chemical Engineering Analysis of Polymer Composite Creation Using Sawdust, Sharp
Abstract: Polyethylene terephthalate (PET) is known for its general adoption for its lightweight and flexibility and durability nature. It is non-biodegradable and contributes majorly to water and land pollution. The amount of plastic-generated waste is increasing extensively following its usefulness there and the inability of users to properly dump or recycle it has resulted in a big threat to the environment. In this research work an attempt has been made to …
Published in International Journal of Chemical Engineering and Processing · Vol. 8, Issue 2, 2022 · pp. 17–29 Read article
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Study on Mechanical and Physical Properties of Wood-Plastic Nanocomposites after Fiber Surface Treatment
Abstract: Numerous composites based on high-density polyethylene (HDPE), wood flour (WF), and nanoclay (Cloisite 30B) were prepared by melt compounding followed by injection mold. This paper aims to evaluate the feasibility of using HDPE and underutilized WF as a material for the development of woodplastic composites, as well as the strengthening effect of nanoclay on them. To develop the poor interfacial interaction between the hydrophilic WF and hydrophobic HDPE matrix, as …
Published in International Journal of Chemical Engineering and Processing · Vol. 8, Issue 2, 2022 · pp. 43–53 Read article
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Core/Shell structures embedded polyaniline nanocomposite for Solar cells
Abstract: The synthesis and characterization of the conducting polyaniline (Pani) films embedded with Co2+ doped, PVA capped PbS/ZnS core-shell particles as photoluminescent boosters is reported. The photoluminescence intensity of the core-shell particles –Pani film had increased significantly.Periodic arrangement of the nanoclusters of the core-shell particles in the continuous conductive polymer matrix and high carrier density promise this material for the photoelectrochemical applications. Solid -state photovoltaic cells have been fabricated with PbS:Co/ZnS-Pani …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 8–18 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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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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Effects of Compatibilizer and Paper Sludge Content on the Performances of Thermoplastic Polymer Composites
Abstract: One of the environmental issues affecting third-world countries is the economic use of lignocellulose waste, which is now being researched. Paper sludge (PS) composites will allow for the effective use of a waste material that is currently burned or buried, as well as the ability to lower the cost of the composite that is created. In this study, the mechanical and thermalcharacteristics of environmentally friendly composites constructed from PS-reinforced recycled …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 2, 2022 · pp. 10–21 Read article
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Performance of Temperature on Compressive and Shear Strength of High Strength Fiber Reinforced Concrete
Abstract: ABSTRACT This paper presents the results of the experimental investigation of various strengths at elevated temperature of high strength fiber reinforced concrete (HSFRC). Variables considered in the research work are various strengths, temperature and fiber volume fractions. Various strengths considered for investigation are compressive strength, shear strength. Concrete mix of M60 grade and crimped steel fibers with aspect ratio 50 are used. The fiber volume fraction is varied from 1 …
Published in International Journal of Construction Engineering and Planning · Vol. 3, Issue 1, 2017 · pp. 13–23 Read article
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Bidding Strategy for Building Projects Based on Game Theory
Abstract: The owners of construction projects typically apply a competitive bid process to award a contract to the qualified bidder who submits the lowest price. For the contractors, it is very difficult to decide an optimal mark-up and bid value to win the contract and at the same time to secure sustaining profitability as high as possible. For that, from the various literatures related to the bidding problems, the factors are …
Published in International Journal of Construction Engineering and Planning · Vol. 5, Issue 1, 2019 · pp. 1–11 Read article
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No Fine Concrete
Abstract: No-fine concrete has been in use in many countries over more than a century. Its higher porosity helps in percolating rain water directly to ground and thereby helps in recharging groundwater aquifer. In this study, 3 batches of no-fine concrete each with two different sizes of aggregate were prepared to find the mix that generated high compressive strength and study the effect of percentage of fine aggregate on the compressive …
Published in International Journal of Concrete Technology · Vol. 3, Issue 2, 2017 · pp. 18–30 Read article
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A Technical Analysis of Fly Ash Concrete for Compressive Strength
Abstract: Fly ash is a waste produced by thermal power plants and used as a supplementary cementitious material (SCM) in the production of Portland cement concrete. A supplementary cementitious material, when used in combination with Portland cement, pays to the properties of the hardened concrete through hydraulic or pozzolanic activity, or both. At present fly ash, is a big environmental concern and issues. The analysis presented in this paper is carried …
Published in International Journal of Concrete Technology · Vol. 4, Issue 1, 2018 · pp. 21–24 Read article
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Potential of Natural Fibres for Strengthening Existing Structures – A Review
Abstract: To rehabilitate the deficiencies in the existing structures, synthetic/artificial fiber reinforced polymer composites have been considered as an effective external strengthening material for construction industries since a long period, due to their outstanding performances like high strength-to-weight ratio, lightness, and resistance to corrosion. But few of their drawbacks in terms of high cost, environmental issues etc., they have been triggered the introduction and development of natural fibers. Natural fibres are …
Published in International Journal of Structural Engineering and Analysis · Vol. 4, Issue 2, 2018 · pp. 38–46 Read article
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Review article: Worthwhile Safeguard of Soil in India – A Need for Future Juveniles
Abstract: Soil is a mixture formed by a porous matrix, which consists of air, water and biota and its severe degradation is a major concern that depends on several factors. Soil problems are due to diversity, water problems, distribution and specific vulnerability of soils. They also depend on geography, relief and climate. In India soil conditions are degraded and are even further worsen by human behavior. Soil is a major part …
Published in International Journal of Water Resources Engineering · Vol. 2, Issue 1, 2016 · pp. 12–15 Read article
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Hydrodynamic Modeling for contaminant spills Case study: Nile River - Upper Egypt
Abstract: Most watercourses are subjected to the threats of contaminant spills. The Nile River is the main drinking and irrigation water source for all Egyptian cities around its banks, especially in Upper Egypt. The southern reach receives considerable amounts of agricultural, industrial and municipal wastes at different sites along its mainstream. The goal of this research is to simulate contaminant spill in the studied part of the Nile River to determine …
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 2, 2019 · pp. 1–16 Read article
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Computing Effect of Gaussian Noise on Pixels: Testing on Red Color Triangle
Abstract: Gaussian noise is the noise that effects the pixels of the image that are in the center i.e. its effect is due to change in light conditions. This paper tests the effect of gaussian noise on the red color image by graphically depicting the matrix representation of the image using mesh diagram in MATLAB. This paper proves that pixels in the center of the image are more affected when these …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 4, Issue 1, 2018 · pp. 7–11 Read article
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A Combined Cycle Power Plant Using Graph Theory and Systems Modelling-Review
Abstract: Graph theory is a well-established tool for the analysis of any system. For the graph theory system has to be divided in to sub systems and factors have to be identified for the analysis. In the present work some of the attributes are identified for the application of graph theory. A proper identification of the attributes helps in precise evaluation of selection of combined cycle power plant systems. As the …
Published in International Journal of Analog Integrated Circuits · Vol. 1, Issue 2, 2015 · pp. 38–42 Read article