Browsing Chemical Engineering by Title
Now showing items 418-437 of 1129
-
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 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 ... -
Fabrication of high flux nanofiltration membrane via hydrogen bonding based co-deposition of polydopamine with poly(vinyl alcohol)
( Elsevier B.V. , 2018 , Article)The use of bio-inspired polydopamine (PDA) chemistry for membrane development has attracted increasing interest in recent years. This paper reports on the fabrication of new nanofiltration (NF) membrane with a robust and ... -
Fabrication of titanium dioxide nanomaterial for implantable highly flexible composite bioelectrode for biosensing applications
( Elsevier Ltd , 2021 , Article)Implantable and stretchable electrodes have managed to progress the medical field from a medical diagnosis aspect to a patient treatment level. They offer the ability to detect biosignals and conduct electrical current to ... -
Factors affecting the induction of UV protectant and lipid productivity in Lyngbya for sequential biorefinery product recovery
( Elsevier Ltd , 2019 , Article)With objective to design cyanobacterial biorefinery, taking Lyngbya as a model organism, a detail sequential protocol has been developed for production of UV protectant and lipids. This study addresses ultra violet radiations ... -
Fe-natural zeolite as highly active heterogeneous catalyst in decolorization of reactive blue 4
( International Journal of Environmental Science and Development , 2020 , Article)Heterogeneous Fenton-like reaction using Fe-natural zeolite (Fe-NZ) was investigated for the decolorization of Reactive Blue 4(RB4). The effect of iron ions loading, H2O2 concentration and initial pH value were investigated. ... -
Fenton oxidation for soil remediation: A critical review of observations in historically contaminated soils
( Elsevier B.V. , 2022 , Article Review)Fenton-based treatments have received tremendous attention in recent decades as viable strategies for soil decontamination. Historically contaminated soils are characterized by particular contamination types, pollution ... -
Field evaluation of membrane distillation technologies for desalination of highly saline brines
( Elsevier , 2014 , Article)Membrane distillation (MD) is a hybrid thermal-membrane desalination process that uses low-grade waste heat and hydrophobic membrane to produce high quality distillate. The MD process can treat highly saline brines that ... -
Field study comparing the effect of hydraulic mixing on septic tank performance and sludge accumulation
( Taylor and Francis Ltd. , 2016 , Article)This study investigates the effect of hydraulic mixing on anaerobic digestion and sludge accumulation in a septic tank. The performance of a septic tank equipped with a hydraulic mixer was compared with that of a similar ...