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1246 articles for “thero-chemical”
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Nanomaterials and Their Effects on the Environment: Analyzing Widespread Use
Abstract: Due to the need and uses of nanoparticles in a wide variety of fields of human activity, including industry, agriculture, commerce, medical, and public health, there has been a significant uptick in interest in nanotechnology among the general populace. Because of the inevitability of environmental exposure to nanomaterials as a consequence of their increasing incorporation into our everyday lives, more and more focus is being placed on the study of …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 97–103 Read article
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Exploring the Dual Functionality of Polypyrrole/Cobalt Sulphide Nanocomposite in Photocatalysis and Gas Sensing
Abstract: Cobalt sulphide nanomaterial was synthesized using the co-precipitation method, and chemical polymerization of polypyrrole (ppy) was performed in the presence of the synthesized cobalt sulphide nanomaterial for the preparation of nanocomposite. The synthesized ppy/cobalt sulphide nanocomposite was characterized by transmission electron microscopy (TEM), selected area electron diffraction (SAED), X-ray powder diffraction (XRD), Fourier transformation infrared spectroscopy, and UV-visible spectroscopy. The TEM micrograph revealed that the generated cobalt sulphide nanoparticles were …
Published in Journal of Polymer & Composites · Vol. 11, Issue 3, 2023 · pp. 72–85 Read article
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Nanoparticles in Cutting-edge Healthcare: Current Use and Emerging Issues
Abstract: Nanoparticles are sub-micron-sized particles (less than 100 nm on average). Using these materials as contrast agents in imaging and as carriers for medication and gene transfer into malignancies has given them a prominent place in contemporary medicine. Nanoparticles allow for previously inconceivable levels of analysis and therapy. However, nanoparticles provide new societal and environmental challenges, especially regarding toxicity. In this overview, we discuss how nanoparticles have benefited contemporary medicine and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 3, 2023 · pp. 105–118 Read article
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Investigation into mechanical Characterstics of laminated composite materials (PMMA and NYLON) using FDM
Abstract: The widespread embrace of 3D printing technology stems from its capacity to minimize material waste, offer versatile design options, and enable the production of intricate structures. 3D printed polymer composites reinforced with fibers (carbon, glass, nylon etc.) have been extensively used in automobile, marine, aerospace and energetic applications due to their excellent properties. Nylon fiber is light weight, resistance to damage from oil and chemicals, tough, strong and has higher …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 108–121 Read article
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DGA Analysis of Transformer Oil with Experimental Investigation: An Effective Tool of Condition Monitoring for Power Transformer
Abstract: Dissolved Gas Analysis (DGA) is usually performed for power transformer condition based maintenance activities. The DGA has become a very popular technique for the monitoring the overall health of a power transformer. It is possible to distinguish faults such as partial discharge, over-heating, and arcing in a great variety of oil filled power transformers. A number of samples must be taken over a period of time to discern trends and …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 9–16 Read article
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Potential Application of Pyrolysis Bio-Oil as a Substitute for Diesel and Petroleum Fuel
Abstract: In this review, the potential of biomass-based pyrolysis bio-oil for a replacement to diesel and petroleum fuel was reported. Relevant articles on the pyrolysis of agricultural wastes were consulted. The properties of the bio-oils, diesel, and petroleum were compared. It was found in the literature values that the bio-oil derived from the pyrolysis of empty fruit bunches (EFB) and wood showed a remarkable heating value of 32.60 and 32.40 MJ/kg, …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 19–29 Read article
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Utilization of Egg Yolk as A Non-Toxic Emulsifier in Environmentally Friendly Invert Emulsion Drilling Mud
Abstract: Vegetable oil such as Jatropha has been shown to be a comparable alternative to diesel and mineral oils for environmentally friendly oil based drilling mud. However compatibility of the vegetable oils with the usual chemical additives is still a major challenge that calls for compatible and non-toxic substitutes. This study examined the suitability of hen egg yolk as a non-toxic emulsifier in invert emulsion drilling mud using vegetable oil continuous …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 41–49 Read article
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Heat Integration of Crude Organic Distillation Unit using ASPEN PINCH
Abstract: chemical and petrochemical plants. In this article, the heat integration of crude organic distillation unit was elucidated with pinch analysis and ASPEN pinch simulating tool. Minimum utilities are calculated by constructing composite curves, shifted composite curves, grand composite curves and using problem table algorithm. Simulation studies include the effect of ΔTmin on hot and cold utilities requirement. Further Exergy losses are calculated by constructing Carnot composite curves and Carnot grand …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 35–46 Read article
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Process Scheme for Effluent Treatment for Reinjection of Produced Water
Abstract: The scope of the study is to conceptualize a treatment process for produced water treatment and reinjection into reservoir for pressure support. ABC field is producing 800 m3/day, with 60% water cut. To access the suitability of using effluent water for reinjection in ABC field, produced water analysis and treated water parameters have been considered for conceptualizing the treatment design. Produced water analysis reveals its inferior quality in terms of …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 47–52 Read article
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Wax Deposition Profile Estimation in Production Pipeline Review
Abstract: Wax deposition has been a major challenge in flow assurance of paraffinic crude oils. A major problem occurs because of a decrease in the bulk oil flowing and pipe wall temperatures. Wax deposits form when the temperature of the produced fluid falls below the wax appearance temperature or the cloud point temperature. Problems like pipeline plugging, increased pumping pressure and reduction in production rates are very common. Sophisticated mechanical and …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 18–26 Read article
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A New Description of Multi-phase Flow Behavior at Boundary Layers of Low-permeability Porous Media
Abstract: At present, the recovery factor of low permeability oilfield in China is only about 20%, which is enormously lower than the recovery factor index of 60% by using water-chemical flooding in medium and high permeability layer. There are a lot of causes that resulted in low recovery factor, among them that the complex pore structure, tiny throat, large pore throat ratio and non-Darcy flow in low-permeability oil layer are the …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 1–7 Read article
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Experience from Polymer-EOR on Offshore Heavy Oil Field in Bohai Bay, China
Abstract: In this paper, a review work based on the polymer flood for offshore heavy oil reservoir is presented. In recent years, the CNOOC has launched quite a few chemical EOR projects at offshore oilfields in the Bohai Bay, China. With the useful life of platform and the present production state, polymer flooding is considered and already proved as an important technology for the strategic development of offshore heavy oil fields …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 14–19 Read article
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Extraction and Characterization of an Eco-Friendly Surfactant for Its Use in Enhanced Oil Recovery
Abstract: Experimental studies have been performed to explore the suitability of an eco-friendly surfactant in enhanced oil recovery. In this respect, herbal surfactant has been isolated from soap nut and characterized by its morphology and physico-chemical properties. The extracted surfactant reduces the interfacial tension significantly over a wide range of concentrations. A series of flooding experiments have been carried out using the extracted surfactant and substantial incremental recoveries have been observed …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 20–29 Read article
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Computational Fluid Dynamics Simulations of Horizontal Wellbore Cleaning and Cement Placement Processes in Drilling and Completions Engineering Applications
Abstract: Mathematical modeling and simulations of complex coupled processes require both robust and accurate physics-based techniques. Computational fluid dynamics (CFD) have been used extensively in a wide range of fields such as aerospace, automotive, and chemical processing industries to name a few. Typically, processes during drilling and completion of wells involve modeling of complex rheology fluids, turbulence modeling, multiphase phenomena, and heat transfer. Each individual process could possibly result in a …
Published in Journal of Petroleum Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 26–39 Read article
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Emerging Technologies to Control Wax Deposition in the Oilfields: An Overview
Abstract: Wax deposition on the well bore, production tubing, flow lines and pipelines reduces the production or flow capacity and increases the cost for the production and transportation of waxy crude oils in the oilfields. The different conventional methods for the control of wax deposition problems are mechanical, chemical, electrical, thermal and combination of others. But, there is no single solution to this problem that can be applied to all the …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 2, 2013 · pp. 18–27 Read article
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Inhibitors of steel corrosion in pipelines
Abstract: Traditions of similarity in test methods have evaluated different efficiencies of different inhibitors. Electrostatically adsorbed green organic inhibitors act as mixed type double layer interactions to steel surfaces. Hydro distillation of plant originated oils is good inhibitors to corrosion of steel, achieved from medicinal grounds. Drinking water corrosion responds maximum numbers of ionic variables to deal with additive mechanical variables for studies in corrosion of steel. Intentional injections of HCl …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 2, 2019 · pp. 17–26 Read article
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A Review on Extraction of Liquid Fuel from Waste Plastic
Abstract: Liquid fuel is a plastic-based derived fuel. A rapid economic growth and consumption of plastic across globe, it creates a negative impact on environment and affects the human health. The consumption trend of natural fossil fuel and other renewable resources indicating that a resources are depleting after a certain decades. Thus, to find an alternative energy to secure the future demand of world. Waste plastic are attractive way to address …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 34–40 Read article
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Review on: Plastic Waste Uses for the Production of Liquid Oil
Abstract: Solid waste is a substantial problem, predominantly in emerging countries that lack adequate substructure and operational land mass to process it in a corrected manner. Several emerging nations are facing a combination of issues that avert proper management of solid waste. This paper reviews the management of municipal solid waste in Ethiopia, using the Addis Ababa City as a case study. The consumption of plastic materials is vast and has …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 28–33 Read article
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Physicochemical Characterization of Niger crude for processing and transport
Abstract: Niger crude oil physic chemical properties which influence it processing and flow behavior was investigated in this study. The bulk characterization includes specific gravity, viscosity, pour point, freezing point, wax content, sulfur content, SARA fraction and the Colloidal Instability Index analyses. Results indicate that the crude oil is paraffinic, light and sweet with high wax content (24.8%).The rheological behavior studied from the viscosity variation show that it is very viscous …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 38–43 Read article
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Biogas: Usefulness, existing technology and major hurdles
Abstract: There is strong scientific evidence that the average temperature of the earth’s surface is rising and this may be attribute to increased concentration of carbon dioxide (CO2), and other greenhouse gases (GHGs) in the atmosphere as released by burning fossil fuels. One of the chief sources of greenhouse gases is burning of fossil fuels. Biogas from biomass appears to have potential as an alternative energy source, which is potentially rich …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 1–14 Read article