Browsing Chemical Engineering by Title
Now showing items 1035-1054 of 1133
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The Economics of Helium Separation and Purification by Gas Separation Membranes
( American Chemical Society , 2017 , Article)Membrane gas separation has the potential to recover and purify helium, either directly from natural gas or as part of the off gas produced from the nitrogen rejection unit in conventional natural gas processing. Process ... -
The effect of chitosan's addition to resorcinol/formaldehyde xerogels on the characteristics of resultant activated carbon
( MDPI AG , 2019 , Article)Hybrid chitosan-resorcinol/formaldehyde xerogels were synthesized, and the effect of including minor quantities of chitosan on the consequent activated carbon was investigated. The resulting activated carbon were characterized ... -
The effect of intermediate ozonation process on improving biogas production from co-digestion of agricultural waste and manure
( TechConnect , 2016 , Conference Paper)Anaerobic co-digestion of agricultural solid waste, wastewater, and manure was evaluated in batch reactor. The performance of anaerobic digestion (AD) was monitored by assessing the methane production potential, maximum ... -
The effect of N-heterocyclic carbene units on the absorption spectra of Fe(ii) complexes: A challenge for theory
The absorption spectra of five Fe(II) homoleptic and heteroleptic complexes containing strong sigma-donating N-heterocyclic carbene (NHC) and polypyridyl ligands have been theoretically characterized using a tuned ... -
The effect of vacancy defects on the adsorption of methane on calcite 104 surface
( Elsevier Editora Ltda , 2021 , Article)Density functional theory calculations are used to study the effect of vacancy defects (ionic Ca and charge neutral CO3) on the adsorption properties of CH4 molecule on different calcite surfaces. Both types of vacancy ... -
The impact of charges in force field parameterization for molecular dynamics simulations of deep eutectic solvents
( Elsevier , 2015 , Article)The nanoscopic characteristics and macroscopic physicochemical properties of choline chloride:levulinic acid (1:2 mole ratio) deep eutectic solvent are analyzed from molecular dynamics simulations. Considering the ionic ... -
The impact of mechanical shear on membrane flux and energy demand
( Elsevier B.V. , 2016 , Article Review)The use of forced mechanical shear for both disc membranes (rotating and vibrating disc filtration, RDF and VDF respectively) and hollow fibres (vibrating HF membranes, VHFM) is reviewed. These systems have been extensively ... -
The impact of mechanically-imposed shear on clogging, fouling and energy demand for an immersed membrane bioreactor
( MDPIAG , 2018 , Article)The impact of the application of mechanically-imposed shear on the propensity for fouling and clogging (or “sludging”—the agglomeration of sludge solids in the membrane channel) of an immersed flat sheet (iFS) membrane ... -
The novel advancements of nanomaterials in biofuel cells with a focus on electrodes' applications
( Elsevier , 2022 , Article)Biofuel cells (BFCs) convert biochemical energy into electrical energy by virtue of the biocatalyst component. They incorporate bio-catalysts composed of microorganisms and enzymes. BFCs are considered among the novel ... -
The potential use of solar photocatalytic oxidation for removal of emerging pharmaceuticals from effluent of wastewater treatment plant: A pilot plant study
( AIChE , 2017 , Conference Paper)The treatment of effluent wastewater containing pharmaceutical by solar advanced oxidation processes were studied in a pilot plant. The removal efficiency of four groups of pharmaceuticals (antibiotics, estrogens, acidic, ... -
The potential use of solar photocatalytic oxidation for removal of emerging pharmaceuticals from effluent of wastewater treatment plant: A pilot plant study
( AIChE , 2017 , Conference Paper)The treatment of effluent wastewater containing pharmaceutical by solar advanced oxidation processes were studied in a pilot plant. The removal efficiency of four groups of pharmaceuticals (antibiotics, estrogens, acidic, ... -
The potential use of solar photocatalytic oxidation for removal of emerging pharmaceuticals from effluent of wastewater treatment plant: A pilot plant study
( AIChE , 2017 , Conference Paper)The treatment of effluent wastewater containing pharmaceutical by solar advanced oxidation processes were studied in a pilot plant. The removal efficiency of four groups of pharmaceuticals (antibiotics, estrogens, acidic, ... -
The prospect of synthesis of PES/PEG blend membranes using blend NMP/DMF for CO2/N2 separation
( Springer Science and Business Media B.V. , 2021 , Article Review)Carbon dioxide (CO2) emissions have been the root cause for anthropogenic climate change. Decarbonisation strategies, particularly carbon capture and storage (CCS) are crucial for mitigating the risk of global warming. ... -
The size and performance of offshore produced water oil-removal technologies for reinjection
( Elsevier , 2014 , Article)Produced water (PW) is wastewater generated from oil exploration, and requires treating for oil and suspended solids removal. The viability of an effluent treatment unit process for this duty is dependent both on its ... -
The stabilizing effect of expanded graphite on the artificial aging of shape stabilized phase change materials
( Elsevier Ltd , 2015 , Article)Artificial aging of Shape Stabilized Phase Change Materials (SSPCM) based on linear low density polyethylene (LLDPE) and paraffin wax (W) modified with various amounts of expanded graphite (EG) was investigated and reported ... -
Theoretical Studies of a Silica Functionalized Acrylamide for Calcium Scale Inhibition
( MDPI , 2022 , Article)The calcium carbonate (CaCO3 ) scale is one of the most common oilfield scales and oil and gas production bane. CaCO3 scale can lead to a sudden halt in production or, worst-case scenario, accidents; therefore, CaCO3 scale ... -
Theoretical studies of methane adsorption on Silica-Kaolinite interface for shale reservoir application
( Elsevier B.V. , 2021 , Article)Shale gas is mostly made up of methane and is currently being exploited in fulfilling the world's energy demands. Density Functional Theory (DFT) and Molecular Dynamics (MD) techniques are employed for understanding methane ... -
Theoretical study on amino acid-based ionic pairs and their interaction with carbon nanostructures
( American Chemical Society , 2014 , Article)Quantum chemistry methods were used to analyze the properties of ionic pairs formed by combination of the 1-ethyl-3-methylimidazolium cation with anions derived from alanine, glycine, serine, and phenylalanine amino acids, ... -
Theoretical study on the solvation of C60 fullerene by ionic liquids
( American Chemical Society , 2014 , Article)The solvation of C60 fullerene by 24 different ionic liquids belonging to the imidazolium, piperazinium, and cholinium families was analyzed from a nanoscopic viewpoint using classic molecular dynamics simulations and ... -
Thermal conductivity and latent heat thermal energy storage properties of LDPE/wax as a shape-stabilized composite phase change material
(2014 , Article)Phase change material (PCM) composites based on low-density polyethylene (LDPE) with paraffin waxes were investigated in this study. The composites were prepared using a meltmixing method with a Brabender-Plastograph. The ...