Browsing Chemical Engineering by Title
Now showing items 431-450 of 1172
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Epoxy coatings modified with a new cerium phosphate inhibitor for smart corrosion protection of steel
( Elsevier Ltd , 2019 , Article)In this work cerium tri(bis(2-ethylhexyl)phosphate) (Ce(DEHP)3) particles were used as anti-corrosion pigments in epoxy coatings applied on steel coupons. The composition of the corrosion inhibitor was designed to introduce ... -
Erosion behavior of API X120 steel: Effect of particle speed and impact angle
( MDPI AG , 2018 , Article)The dry erosion behavior of API-X120 pipeline steel was investigated, under the erosive interaction of aluminum oxide particulates, in a range of speed (43-167 m·s-1) and impact angle (30°-90°). Erosion behavior is ... -
Estimation of algae concentration in water solutions using spectrophotometry measurements and absorbance first derivative
( TechConnect , 2016 , Conference Paper)The monitoring and detection of algae in wastewater and surface solutions is important in controlling the quality of surface water and wastewater, yet there is currently no quick and simple method to achieve this. The ... -
Ethanol Decomposition and Dehydrogenation for Hydrogen Production: A Review of Heterogeneous Catalysts
( American Chemical Society , 2021 , Article Review)Biowaste derived ethanol is an important feedstock for carbon neutral hydrogen production. It is liquid at atmospheric conditions, has a high hydrogen to carbon ratio, and it can be generated from biomass, lignocellulosic ... -
Ethanol dehydrogenation mechanism on cuni catalysts for hydrogen production
( TechConnect , 2016 , Conference Paper)Ethanol dehydrogenation mechanism was investigated over catalysts containing Cu and Ni metals prepared by solution combustion synthesis. In situ DRIFTS studies were conducted on individual metals (Cu and Ni) as well as on ... -
Evacuated tube heat pipe solar collector for Encontech engine-driven reverse osmosis solar desalination
( John Wiley and Sons Ltd , 2020 , Article)Utilization of a single evacuated tube heat pipe solar collector (ETHPSC) for the efficient deployment of the solar energy toward driving the Encontech heat engine for reverse osmosis desalination is considered in this ... -
Evaluating greywater and A/C condensate daily volume and water quality in urban settings
( American Society of Agricultural and Biological Engineers , 2011 , Conference Paper)Due to increasing water demand as a result of population growth and improvement in living standards, many countries with arid climate are already facing water shortages that are being met by expensive desalination projects. ... -
Evaluating the effect of antiscalants on membrane biofouling using FTIR and multivariate analysis
( Taylor and Francis Ltd. , 2019 , Article)A combination of Fourier-transform infrared (FTIR) spectroscopy, multivariate analysis and conventional microbiological assays were utilized to characterize and differentiate membrane biofouling formed in the presence of ... -
Evaluating the efficacy of AI content detection tools in differentiating between human and AI-generated text
( Springer Nature , 2023 , Article)The proliferation of artificial intelligence (AI)-generated content, particularly from models like ChatGPT, presents potential challenges to academic integrity and raises concerns about plagiarism. This study investigates ... -
Evaluating the Performance of a Newly Developed Carbon Capture Device for Mobile Emission Sources
( American Society of Mechanical Engineers (ASME) , 2017 , Article)In the present study, a new carbon capture device that can be carried on-board vehicles has been developed and tested. The developed device uses absorption and adsorption methods of postcombustion CO2 capture. Sodium ... -
Evaluation of redox performance of silver and transition metal-doped ternary ceria oxides for thermochemical splitting of CO2
( John Wiley and Sons Ltd , 2019 , Article)Synthesis of Ce0.9M0.05Ag0.05O2‐δ materials (where, M = Ni, Zn, Mn, Fe, Cu, Cr, Co, Zr) via coprecipitation of hydroxide method and examination of these materials toward multiple thermochemical CO2 splitting (CS) cycles ... -
Evaluation of the efficiency of ionic liquids in the demulsification of oil-in-water emulsions
( Elsevier , 2021 , Article)The production of oil in water emulsions (O/W-EMUL) is prevalent in the petroleum sector due to the presence of several stabilizers; however, O/W-EMUL is an unwanted phenomenon. Given that, this study evaluates the efficiency ... -
Evolution of Seawater Desalination and Petroleum Refinery Wastewater Treatment in a Microbial Desalination Cell
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Petroleum refining, not only consumes large quantities of water but also generates large quantities of wastewater. Large quantities of petroleum refinery wastewater are generated worldwide, approximately 3.5-5 m3 of ... -
Exceptionally High CO2 Capturing Capacity of Porous Organic Polymers
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Pre-combustion flue gas capture has been emerged as an efficient alternative to circumvent the costly procedures of materials regeneration utilized by the energy industry for CO2 capture and separation. Stability of the ... -
Experimental and DFT Approach on the Determination of Natural Gas Hydrate Equilibrium with the Use of Excess N2 and Choline Chloride Ionic Liquid as an Inhibitor
( American Chemical Society , 2016 , Article)This work presents the characterization of hydrate-forming conditions of a Qatari natural gas-type mixture, QNG-S1, obtained using two different experimental methods, namely, a benchtop reactor and a gas hydrate autoclave. ... -
Experimental and theoretical investigations of the effect of bis-phenylurea-based aliphatic amine derivative as an efficient green corrosion inhibitor for carbon steel in HCl solution
( Elsevier , 2023 , Article)A novel bis-phenylurea-based aliphatic amine (BPUA) was prepared via a facile synthetic route, and evaluated as a potential green organic corrosion inhibitor for carbon steel in 1.0 M HCl solutions. NMR spectroscopy ... -
Experimental Investigation of Isothermal Vapor-Liquid Equilibrium and Estimation of Excess Thermodynamic Properties (hE) of CHO2K-H2O from 278.15 to 423.15 K
( American Chemical Society , 2019 , Article)In this paper, vapor liquid equilibrium (VLE) of a binary mixture, potassium formate-water (CHO2K-H2O), was measured experimentally using a dynamic moving type VLE setup in the temperature range of 313.15 to 393.15 K. ... -
Experimentally measured methane hydrate phase equilibria and ionic liquids inhibition performance in Qatar’s seawater
( Nature Research , 2020 , Article)Qatar has the third-largest natural gas reserves in the world and is the second largest Liquefied natural gas (LNG) exporter in the world. These reserves are mainly located in its offshore North Field where the gas is ... -
Extreme fast charging characteristics of zirconia modified LiNi0.5Mn1.5O4 cathode for lithium ion batteries
( Elsevier B.V. , 2018 , Article)LiNi0.5Mn1.5O4 is a promising high-voltage cathode for lithium-ion battery fast charging applications. Aware of its electrochemical stability issues, the material's surface is modified with small amounts of zirconia (ZrO2) ... -
Fabrication and characterization of pyridinium functionalized anion exchange membranes for acid recovery
( Elsevier B.V. , 2019 , Article)In the present work, the fabrication of pyridinium functionalized anion exchange membranes (AEMs) for acid recovery using diffusion dialysis (DD) processes was developed using brominated poly (2,6-dimethyl-1,4-phenylene ...