Chemical Engineering: Recent submissions
Now showing items 321-340 of 1172
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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 ... -
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). ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ... -
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 ... -
Properties of electrodeposited Ni-B-ZrO2 composite coatings
( Electrochemical Science Group , 2015 , Article)Ni-B coatings have high hardness and high wear resistance which make them suitable for automotive, aerospace, petrochemical, textile and electronics industries. Further improvement in properties (especially the corrosion ... -
Synthesis and properties of electrodeposited Ni-B-Zn ternary alloy coatings
( Electrochemical Science Group , 2014 , Article)Ni-B coatings have decent properties like high hardness, wear resistance and decent anti-corrosion properties which make them suitable for automotive, aerospace, petrochemical, textile and electronics industries. Despite ... -
Thermal insitu analyses of multicomponent pyrophosphate cathodes materials
( Electrochemical Science Group , 2015 , Article)Development of secondary batteries based on abundant and inexpensive elements are vital. Amongvarious alternative choices, sodium-ion batteries (NIBs) are promising because of plentiful resourcesand low costs of sodium ... -
Ni-P-TiO2 Composite coatings on copper produced by sol-enhanced electroplating
( Electrochemical Science Group , 2014 , Article)Ni-P-TiO2 composite coatings were prepared on copper substrate by TiO2 sol-enhanced electroplating. A systematic study of Ni-P-X coatings with different sol concentrations (TiO2 concentration X from 0 to 50 mL/L) has been ... -
Synthesis and properties of electrodeposited Ni-B-CeO2 composite coatings
( Advanced Engineering Solutions , 2014 , Conference Paper)Ni-B coatings have decent properties like high hardness, wear resistance and decent anticorrosion properties which make them suitable for automotive, aerospace, petrochemical, textile and electronics industries. In the ... -
Synthesis and characterization of novel Ni-B-Y2O3 composite coatings
( AIChE , 2014 , Conference Paper)Corrosion damages and the importance of its prevention has been presented. An overview of previous research on Ni-B (and Ni-P) coatings has been presented. Synthesis and characterization of electrodeposited Ni-B and Ni-B-Y2O3 ... -
Anomalous manganese activation of a pyrophosphate cathode in sodium ion batteries: A combined experimental and theoretical study
(2013 , Article)Sodium ion batteries (SIBs) have many advantages such as the low price and abundance of sodium raw materials that are suitable for large-scale energy storage applications. Herein, we report an Mn-based pyrophosphate, ...