Browsing Chemical Engineering by Title
Now showing items 488-507 of 1155
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Heavy metal removal from aqueous solution by advanced carbon nanotubes: Critical review of adsorption applications
( Elsevier , 2016 , Article Review)The scarcity of water, especially in arid and semi-arid regions of the world is exerting great pressure on resources and establishing more need to provide good quality water for human and other consumptions. Water ... -
Helium separation through polymeric membranes: selectivity targets
( Elsevier , 2016 , Article)Gas separation membranes have the potential to recovery and purify helium from natural gas. This can be through direct separation of helium from methane or as part of a natural gas liquefaction process where helium is ... -
Hierarchical porous carbon by ultrasonic spray pyrolysis yields stable cycling in lithium-sulfur battery
( American Chemical Society , 2014 , Article)Utilizing the unparalleled theoretical capacity of sulfur reaching 1675 mAh/g, lithium-sulfur (Li-S) batteries have been counted as promising enablers of future lithium ion battery (LIB) applications requiring high energy ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference Paper)Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under severe environmental conditions after only short service life. To overcome this problem, it is imperative to employ high-quality concretes ... -
High capacity carbon dioxide adsorption by inexpensive covalent organic polymers
( Royal Society of Chemistry , 2012 , Article)Efficient CO2 scrubbing without a significant energy penalty remains an outstanding challenge for the fossil fuel-burning industry where aqueous amine solutions are still widely used. Porous materials have long been evaluated ... -
High performance CO2 filtration and sequestration by using bromomethyl benzene linked microporous networks
( Royal Society of Chemistry , 2016 , Article)Porous solid sorbents have been investigated for the last few decades to replace the costly amine solution and explore the most efficient and economical material for CO2 capture and storage. Covalent organic polymers (COPs) ... -
High performance ordered nanoporous membranes from block copolymers
( Elsevier , 2012 , Conference Paper)[No abstract available] -
High pressure CO2 absorption studies on imidazolium-based ionic liquids: Experimental and simulation approaches
(2013 , Article)A combined experimental-computational study on the CO2 absorption on 1-butyl-3-methylimidazolium hexafluophosphate, 1-ethyl-3-methylimidazolium bis[trifluoromethylsulfonyl]imide, and 1-butyl-3-methylimidazolium ... -
High purity/recovery separation of propylene from propyne using anion pillared metal-organic framework: Application of vacuum swing adsorption (vsa)
( MDPI AG , 2021 , Article)Propylene is one of the world’s most important basic olefin raw material used in the production of a vast array of polymers and other chemicals. The need for high purity grade of propylene is essential and traditionally ... -
High-pressure CO2/N2 and CO2/CH4 separation using dense polysulfone-supported ionic liquid membranes
( Elsevier B.V. , 2016 , Article)Four ionic liquids (ILs) were blended with polysulfone (PSF) to produce functional dense polymer-supported IL membranes (DPSILMs). The main aim was to investigate the applicability of the DPSILMs in industrial gas processing ... -
Higher acid recovery efficiency of novel functionalized inorganic/organic composite anion exchange membranes from acidic wastewater
( MDPI AG , 2021 , Article)In this work, the synthesis of a series of the functionalized inorganic/organic composite anion exchange membranes (AEMs) was carried out by employing the varying amount of inorganic filler consist of N-(trimethoxysilylp ... -
Highly active and stable bi-functional NiCoO2 catalyst for oxygen reduction and oxygen evolution reactions in alkaline medium
( Elsevier Ltd , 2019 , Article)Single step solution combustion technique was used to synthesize NiO, Co3O4 and NiCoO2 mixed metal oxide with good crystallinity and uniform properties. XRD spectrum indicates the existence of cubic NiCoO2 phase without ... -
Highly Active Lanthanum Perovskite Electrocatalysts (LaMnxCo1-xO3 (0 ≤ x ≤ 1)) by Tuning the Mn:Co Ratio for ORR and MOR in Alkaline Medium
( Springer , 2023 , Article)Lanthanum-based perovskites (LaMnxCo1-xO3 (0 ≤ x ≤ 1)) were synthesized using a solution combustion synthesis technique with variable ratios of Co and Mn to investigate the surface property and electrocatalytic characteristics ... -
Highly effective hydrogenation of CO2 to methanol over Cu/ZnO/Al2O3 catalyst: A process economy & environmental aspects
( Elsevier , 2023 , Article)The hydrogenation of CO2 to methanol is one of the promising CO2 utilization routes in the industry that can contribute to emissions mitigation. In this work, improved operating conditions were reported for the sustainable ... -
Highly efficient methanol oxidation reaction on durable Co9S8 @N, S-doped CNT catalyst for methanol fuel cell applications
( Elsevier Ltd , 2022 , Article)The implementation of direct methanol fuel cells is seen as a reliable factor in the future energy mix. Efficient energy conversion from methanol requires an active and durable catalyst to drive the anodic methanol oxidation ... -
Highly efficient nonenzymatic glucose sensors based on CuO nanoparticles
( Elsevier B.V. , 2019 , Article)In this work, copper nanoparticles using three different modes are synthesized and evaluated for electrochemical properties towards non-enzymatic glucose biosensors. Copper oxide nanoparticles thus obtained are characterized ... -
Highly protective polyolefin coating modified with ceria nano particles treated with N,N,N',N'-Tetrakis(2-hydroxyethyl)ethylenediamine for corrosion protection of carbon steel
( Elsevier Ltd , 2022 , Article)A polyolefin coating was modified with cerium oxide nanoparticles treated with N,N,N',N'-Tetrakis(2-hydroxyethyl)ethylenediamine (THEEDA) as corrosion inhibitor for corrosion protection of carbon steel. Electrochemical ... -
Highly selective CO2 removal for one-step liquefied natural gas processing by physisorbents
( Royal Society of Chemistry , 2019 , Article)Industrial specifications require CO2 concentrations in natural gas below 50 ppm during liquefaction because of corrosion and CO2 freezing. Herein, we report a physisorbent (TIFSIX-3-Ni) that exhibits new benchmark CO2/CH4 ... -
Highly sensitive humidity sensor based on cadmium selenide quantum dots-polymer composites: synthesis, characterization, and effect of UV/ozone treatment
( Springer , 2023 , Article)This work describes the rational design of thin film-based cadmium selenide quantum dots (CdSe) mixed with conductive polyvinylidene fluoride (PVDF), inducing PVDF-CdSe composite for potential resistive humidity-sensing ... -
Highly stable nanoporous sulfur-bridged covalent organic polymers for carbon dioxide removal
( John Wiley & Sons, Ltd , 2013 , Article)Carbon dioxide capture and separation requires robust solids that can stand harsh environments where a hot mixture of gases is often found. Herein, the first and comprehensive syntheses of porous sulfur-bridged covalent ...