Browsing Chemical Engineering by Title
Now showing items 1117-1136 of 1141
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Use of DPSIR Framework to Analyze Water Resources in Qatar and Overview of Reverse Osmosis as an Environment Friendly Technology
( John Wiley and Sons Inc. , 2019 , Article Review)Qatar and other countries of Gulf Cooperation Council are among the most water scarce countries in the world and are being characterized as “high‐water risk” countries by Water Resource Institute. Therefore, it is important ... -
Use of laser-induced break spectroscopy for the determination of major and trace elements in Zanthoxylum armatum
( Springer Nature , 2020 , Article)Zanthoxylum armatum (ZA) is a medicinal plant (MP) that is widely distributed in hilly and moist areas and has a different medical effect on human curative functions. Laser-induced breakdown spectroscopy (LIBS) was employed ... -
Use of nanoadvanced activated carbon, alumina and ferric adsorbents for humics removal from water: isotherm study
( Springer Nature , 2020 , Article)The adsorption of humic substances on three different adsorbents was investigated and adsorption isotherms were applied in this research. The three adsorbents studied include granular activated carbon (GAC), ferric ... -
Use of rice husk as an effective sorbent for the removal of cerium ions from aqueous solution: Kinetic, equilibrium and thermodynamic studies
( Desalination Publications , 2019 , Article)In this research, the sportive removal of cerium ions (Ce (IV) from aqueous solution by rice husk (RH) has been studied in batch mode at ambient temperature. The effect of operational parameters such as contact time, amount ... -
Use of water in aiding olefin/paraffin (liquid + liquid) extraction via complexation with a silver bis(trifluoromethylsulfonyl)imide salt
( Academic Press , 2014 , Article)This paper describes the extraction of C5-C8 linear -olefins from olefin/paraffin mixtures of the same carbon number via a reversible complexation with a silver salt (silver bis(trifluoromethylsulfonyl) imide, Ag[Tf2N]) ... -
Using electric power to synthesize resorcinol-formaldehyde gels with enhanced characteristics
( John Wiley and Sons Ltd , 2020 , Article)A novel electrochemical approach was introduced for crosslinking resorcinol-formaldehyde (RF) gels at room temperature without utilizing a catalyst or a buffer. The electrochemically cross-linked gels and their subsequent ... -
Utilization of biochars as sustainable catalysts for upgrading of glycerol from biodiesel production
( Elsevier Ltd , 2021 , Article)Abundant bioglycerol generated via transesterification of triglycerides was used to synthesize valuable glycerol carbonate, GC. This was achieved by pyrolyzing cow dung (CDB) and fish scale (FSB) biowastes at various ... -
Utilization of residual organics of Labaneh whey for renewable energy generation through bioelectrochemical processes: Strategies for enhanced substrate conversion and energy generation
( Elsevier Ltd , 2019 , Article)Labaneh whey (LW)that is rich in residual organics was evaluated for bioelectricity generation using microbial fuel cell (MFC)in two different configurations namely single chamber (MFC-SC)and dual chamber (MFC-DC)MFCs. The ... -
Utilization of symmetric electrode materials in energy storage application: A review
( John Wiley and Sons Ltd , 2022 , Article Review)The development of efficient energy storage systems is an important field of research in the modern era where fossil fuels are headed toward. depletion. The invention of batteries is regarded as one of the most significant ... -
Utilizing environmentally friendly hyperbranched polyglycerol polymers to separate gasoline from deionized water
( Blackwell Publishing Ltd , 2020 , Article)Hyperbranched polyglycerol polymers (HPG) were synthesized, characterized, and used to separate gasoline from deionized water. The study indicates HPG as potentially effective materials for the recovery of oil from oil/water ... -
Valorization and optimization of agro-industrial orange waste for the production of enzyme by halophilic Streptomyces sp.
( Academic Press Inc. , 2021 , Article)This study underlines the biotechnical valorization of the accumulated and unusable remains of agro-industrial orange fruit peel waste to produce α-amylase under submerged conditions by Streptomyces sp. KP314280 (20r). The ... -
Valorization of biodiesel byproduct glycerol to glycerol carbonate using highly reusable apatite-like catalyst derived from waste Gastropoda Mollusca
( Springer Science and Business Media Deutschland GmbH , 2020 , Article)Predominantly, calcium oxide from the calcined waste Gastropoda Mollusca (Achatina fulica sp.) was post-functionalized and stabilized using trisodium phosphate to obtain an apatite-like catalyst (snail shell apatite, SNS-AP) ... -
Variance-based global sensitivity analysis of a multi-population, single-chamber microbial fuel cell operating in continuous flow mode at steady state
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)Microbial fuel cells (MFCs) are environmentally friendly devices which are used to convert chemical energy in organic wastes to electrical energy. MFCs have a strong non-linearity that requires a very sophisticated controlling ... -
Various potential techniques to reduce the water footprint of microalgal biomass production for biofuel—A review
( Elsevier B.V. , 2020 , Other)Due to their rapid growth rates, high lipid productivity, and ability to synthesize value-added products, microalgae are considered as the potential biofuel feedstocks. However, among the several bottlenecks that are ... -
Virtual mimic of lab experiment using the computer-based Aspen Plus® Sensitivity Analysis Tool to boost the attainment of experiment's learning outcomes and mitigate potential pandemic confinements
( John Wiley and Sons Inc , 2022 , Article)The computer-based Aspen Plus® Sensitivity Analysis Tool (APSAT) was used as a virtual environment to mimic a gas absorption lab experiment in the Unit Operations Lab within the curriculum for the Bachelor of Science in ... -
Viscosity and density of ternary solution of calcium chloride + sodium chloride + water from T = (293.15 to 323.15) K
( American Chemical Society , 2014 , Article)Viscosities and densities of ternary systems of CaCl2–NaCl–water were measured in the range of T = (293.15 to 323.15) K at 5 K intervals and up to 4.5 mol·kg–1. Two equations based on the Exponential and Goldsack and ... -
Viscous behavior of imidazolium-based ionic liquids
(2013 , Article)The viscosity of four imidazolium-based ionic liquids is analyzed as a function of pressure and temperature. Experimental measurements were carried out using an electromagnetic moving piston viscometer in the 303-353 K and ... -
Viscous origin of ionic liquids at the molecular level: A quantum chemical insight
( Elsevier , 2014 , Article)The viscosity of selected families of ionic liquids has been assessed at the molecular level as a function of the intermolecular interactions using Density Functional Theory together with Atoms-in-a-Molecule and Natural ... -
Viscous-Gravity spreading of oil on water
( John Wiley & Sons, Inc. , 2001 , Article)Spreading of oil on calm water is analyzed for the second stage of spread, which is controlled by a balance between gravity and viscous forces. The analysis, using the integral boundary-layer method, agreed well with a ... -
Visible light-driven metal-oxide photocatalytic CO2 conversion
( John Wiley & Sons, Ltd. , 2015 , Article)In this work, nine photocatalysts were prepared by a conventional solid-state reaction method. The samples were characterized by X-ray diffraction, UV–Vis diffuse reflectance spectroscopy, surface area measurements based ...