Browsing Chemical Engineering by Title
Now showing items 382-401 of 943
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H2 Production via ferrite based H2O splitting cycle: Solar reactor thermodynamic efficiency analysis
( AIChE , 2018 , Conference Paper)This study reports the thermodynamic equilibrium and efficiency analysis of the Ba-ferrite based thermochemical water splitting cycle. Attempts were made to identify the equilibrium composition associated with the thermal ... -
Handling data uncertainties in event tree analysis
( Elsevier B.V. , 2009 , Article)Event tree analysis (ETA) is an established risk analysis technique to assess likelihood (in a probabilistic context) of an accident. The objective data available to estimate the likelihood is often missing (or sparse), ... -
Harvesting of intact microalgae in single and sequential conditioning steps by chemical and biological based – flocculants: Effect on harvesting efficiency, water recovery and algal cell morphology
( Elsevier Ltd , 2019 , Article)Quick algae harvesting methodologies relating optimum flocculent dose (DOpt.), percentage harvesting efficiency (%HE) and percentage water recovery (%WRecovery) to the in-situ hydrodynamic properties of water-algae systems ... -
Health risk assessment induced by trace toxic metals in tap drinking water: Condorcet principle development
( Elsevier Ltd , 2022 , Article)Acute exposure to trace metals (TMs) in water is hazardous to human health. The average concentrations (Cavg.) and carcinogenic (CAR) and non-carcinogenic (non-CAR) risks of eight TMs to World Health Organization's (WHO) ... -
Heat powered water pump for reverse osmosis desalination
( TechConnect , 2016 , Conference Paper)Current desalination techniques are typically very energy intensive: energy consumption can account for up to 70% of the desalination costs. To improve economics of water desalination plants innovative energy efficient, ... -
Heat recovery in an actual LNG supply chain: Retrofitting of designed heat exchange networks (HENs) for potential fuel saving
( Elsevier B.V. , 2021 , Article)The demand for liquefied natural gas (LNG) is steadily increasing and projected to become an important component of global energy demand. Although LNG processing requires high-energy to convert the gas into liquid, it is ... -
Heavy metal ions removal from industrial wastewater using magnetic nanoparticles (MNP)
( Elsevier B.V. , 2020 , Article)A novel iron oxide magnetic nanoparticles (MNPs) grafted on hyperbranched polyglycerol (HPG) polymer were synthesized, characterized and tested for heavy metals (Ni, Cu and AL) removals from secondary effluent industrial ... -
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 ...
