Chemical Engineering: Recent submissions
Now showing items 401-420 of 1272
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Electrooxidation of methanol on Ag, AgNi, and AgCo catalysts prepared by combustion synthesis technique
( John Wiley and Sons Ltd , 2022 , Article)Herein, we report the synthesis of silver-based electrocatalysts (Ag/C, AgCo/C, and AgNi/C) using solution combustion method and their performance towards methanol oxidation reaction. Detailed structural and microscopic ... -
Performance of microbial fuel cells in treating petroleum refinery wastewater
( Elsevier Ltd , 2022 , Article)A high level of chemical energy is contained in petroleum refinery wastewater (PRW). In this study, the performance of microbial fuel cell (MFC) treating PRW is investigated in various MFC reactor configurations by studying ... -
Degradation of 4-chlorophenol through cooperative reductive and oxidative processes in an electrochemical system
( Elsevier B.V. , 2023 , Conference)Electrochemical treatment can be an effective approach for degrading recalcitrant organic contaminants because its anode/cathode produces powerful oxidizing/reducing conditions. Herein, through the cooperation of the ... -
A review of the features and applications of ZIF-8 and its derivatives for separating CO2 and isomers of C3- and C4- hydrocarbons
( Elsevier , 2021 , Article Review)Metal organic framework (MOF) membranes have gained more attentions due to their abilities in various applications in gas and liquid separations. The majority of works are related to Zeolite imidazolate frameworks-8 (ZIF-8). ... -
A review on the solid-liquid-vapor phase equilibria of acid gases in methane
( John Wiley and Sons Inc , 2022 , Article Review)In spite of the increasing levels of greenhouse gases in the atmosphere, and their impact on the environment, the demand for natural/biogas will increase significantly in the coming few decades. To cover this demand, the ... -
An empirical correlation-based model to predict solid-fluid phase equilibria and phase separation of the ternary system CH4-CO2-H2S
( Elsevier , 2021 , Article)To cover the expected increased demand for natural gas, energy industry has to exploit sour gas reserves located around the world. However, acid gases have to be removed before the natural gas produced from these fields ... -
Adsorption energy and pore-size distributions of activated carbons calculated using Hill's model
( Multi-Science Publishing Co. Ltd , 2014 , Article)An integral equation derived using a statistical physics treatment by considering the adsorption energy distribution (AED) was used to model the adsorption of ethylene and ethane on resorcinol-formaldehyde-based activated ... -
A rapid method for low temperature microencapsulation of phase change materials (Pcms) using a coiled tube ultraviolet reactor
( MDPI , 2021 , Article)Microencapsulation of phase change materials (PCMs) remain a suitable option within building materials, as they contribute to the thermal mass and provide an energy buffer, an added benefit. This paper presents a novel ... -
Controlled thermal oxidative crosslinking of polymers of intrinsic microporosity towards tunable molecular sieve membranes
( Nature Publishing Group , 2014 , Article)Organic open frameworks with well-defined micropore (pore dimensions below 2 nm) structure are attractive next-generation materials for gas sorption, storage, catalysis and molecular level separations. Polymers of intrinsic ... -
Collective osmotic shock in ordered materials
( Nature Publishing Group , 2012 , Article)Osmotic shock in a vesicle or cell is the stress build-up and subsequent rupture of the phospholipid membrane that occurs when a relatively high concentration of salt is unable to cross the membrane and instead an inflow ... -
Carbon dioxide sequestration and methane removal from exhaust gases using resorcinol-formaldehyde activated carbon xerogel
( Springer , 2013 , Article)The world is faced with intrinsic environmental issues. Among these issues, the minimization of greenhouse gas emission to acceptable levels presents a high priority. This study seeks to help to reduce the greenhouse effect ... -
Influence of carbon uniformity on its characteristics and adsorption capacities of CO2 and CH4 gases
( MDPI AG , 2021 , Article)Activated carbons of resorcinol-formaldehyde aerogels (AC-RFA) were prepared and mixed with multiwall carbon nanotubes (MWCNTs) with various ratios. Samples were characterized by different techniques. The novelty of the ... -
Dopant-free hole-transporting materials for stable and efficient perovskite solar cells
( Wiley-VCH Verlag , 2017 , Article)Molecularly engineered novel dopant-free hole-transporting materials for perovskite solar cells (PSCs) combined with mixed-perovskite (FAPbI3)0.85(MAPbBr3)0.15 (MA: CH3NH3+, FA: NH=CHNH3+) that exhibit an excellent power ... -
Efficacy of using slurry of metal-coated microencapsulated PCM for cooling in a micro-channel heat exchanger
( Elsevier , 2017 , Article)This paper provides a method of heat transfer enhancement using microencapsulated phase change material (MPCM) slurries, utilizing the latent heat of PCM during melting. The values of heat transfer coefficient obtained for ... -
Emulsion stability and cross-linking of PMMA microcapsules containing phase change materials
( Elsevier , 2015 , Article)The microencapsulation of paraffin as a phase change material (PCM) using poly methyl methacrylate (PMM) as a shell was investigated by means of suspension polymerization. The increase in the emulsion stability by using ... -
Impact of synthesis conditions on meso- and macropore structures of resorcinol-formaldehyde xerogels
( Springer , 2011 , Article)Xerogels were prepared by the sol-gel polymerization of resorcinol with formaldehyde at different conditions. The effects of different synthesis factors (namely, resorcinol-to-formaldehyde ratio, resorcinol-to-water ratio, ... -
Energetic investigation of the adsorption process of CH4, C 2H6 and N2 on activated carbon: Numerical and statistical physics treatment
( Elsevier , 2014 , Article)The adsorption energy distribution (AED) function of a commercial activated carbon (BDH-activated carbon) was investigated. For this purpose, the integral equation is derived by using a purely analytical statistical physics ... -
Influence of micro-and mesoporosity of resorcinol-formaldehyde xerogels on adsorption
( Mary Ann Liebert , 2013 , Article)Effects of micro-and mesoporosity of resorcinol-formaldehyde xerogels (RFXs) on the adsorptive properties of crystal violet (CV) were investigated. RFXs were synthesized at different pH values, and corresponding pore ... -
Nanofeatures of resorcinol-formaldehyde carbon microspheres
( Elsevier , 2012 , Article)Resorcinol-formaldehyde activated carbon xerogels were synthesized at certain conditions, and their morphology was studied experimentally to examine their detailed nature on the nanoscale level, which has not been reported ... -
Adsorption and desorption equilibria of nitrogen, methane, ethane, and ethylene on date-pit activated carbon
( American Chemical Society , 2010 , Article)Date pits were used to produce a highly porous activated carbon. The resulting date-pit activated carbon was used in a volumetric adsorption apparatus to measure the vapor-phase adsorption and desorption of nitrogen, ...
