Chemical Engineering: Recent submissions
Now showing items 741-760 of 1182
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Amino-functionalised silica-grafted molecularly imprinted polymers for chloramphenicol adsorption
( Elsevier Ltd , 2020 , Article)This research investigated the liquid-phase removal of chloramphenicol (CAP), an emerging contaminant using molecularly imprinted polymers (MIPs). CAP adsorption profiles, equilibrium, and kinetics were analysed. The ... -
Mesoporous and high-surface-Area activated carbon from defatted olive cake by-products of olive mills for the adsorption kinetics and isotherm of methylene blue and acid blue 29
( Elsevier Ltd , 2020 , Article)The K2CO3 activation of defatted olive cake in N2 atmosphere was attempted for activated carbon (DOC-AC) preparation to test its ability for the adsorption of methylene blue (MB) and acid blue 29 (AB 29). The optimum conditions ... -
Adsorption of endocrine disrupting compounds and other emerging contaminants using lignocellulosic biomass-derived porous carbons: A review
( Elsevier Ltd , 2020 , Article)Hydrochars from lignocellulose biomass have received an upsurge of interest in different fields, especially in the area of adsorption. Hydrothermally produced hydrochars are effective adsorbents for removing different ... -
Recent progress on catalytic co-pyrolysis of plastic waste and lignocellulosic biomass to liquid fuel: The influence of technical and reaction kinetic parameters
( Elsevier B.V. , 2021 , Article Review)Discharge of non-biodegradable plastic waste and lignocellulosic biomass into the environment, and the resultant pollution has persistently increased all over the globe. This activity poses a threat not only to mankind, ... -
Co-hydrothermal carbonization of different feedstocks to hydrochar as potential energy for the future world: A review
( Elsevier Ltd , 2021 , Article)Co-hydrothermal carbonization (co-HTC) has emerged recently as a promising thermochemical technique that can transfer organic solid residue (e.g., biomass, sewage sludge, plastic, livestock manure) into value-added products ... -
Desorption of chloramphenicol from ordered mesoporous carbon-alginate beads: Effects of operating parameters, and isotherm, kinetics, and regeneration studies
( Elsevier Ltd , 2021 , Article)This study has investigated the desorption of an emerging contaminant, known as chloramphenicol (CPC), from ordered mesoporous carbon (OMC)-alginate beads. The effects of initial concentration, operating temperature, and ... -
A review on microwave-assisted synthesis of adsorbents and its application in the removal of water pollutants
( Elsevier Ltd , 2021 , Article Review)The use of conventional heating techniques in adsorbents preparation involves long synthesis time, high energy consumption, high cost and material fast firing. Recently, Microwave heating technique has been used to replace ... -
Dark-Fenton oxidative degradation of methylene blue and acid blue 29 dyes using sulfuric acid-activated slag of the steel-making process
( Elsevier Ltd , 2021 , Article)The pollution of water by effluents from dye industries is a widely established environmental and health problem that requires new insights and urgent attention. In this study, methylene blue (MB) and acid blue 29 (AB29) ... -
Insight into the chemically modified crop straw adsorbents for the enhanced removal of water contaminants: A review
( Elsevier B.V. , 2021 , Article Review)Crop straws represent the major part of lignocellulosic wastes that mainly consist of three polymeric components, namely cellulose, hemicellulose, and lignin. These straws gain great attention owing to their low cost, ... -
Natural and Low-Cost P. turgidum for Efficient Adsorption of Hg(II) Ions from Contaminated Solution: Isotherms and Kinetics Studies
( Springer , 2021 , Article)Mercury (II) ions (Hg(II)), a potent heavy metal water pollutant, was efficiently removed using a novel adsorbent prepared from Panicum turgidum roots by facile drying. The experimental conditions such as the solution pH, ... -
Utilization of biochars as sustainable catalysts for upgrading of glycerol from biodiesel production
( Elsevier Ltd , 2021 , Article)Abundant bioglycerol generated via transesterification of triglycerides was used to synthesize valuable glycerol carbonate, GC. This was achieved by pyrolyzing cow dung (CDB) and fish scale (FSB) biowastes at various ... -
Advanced Polymeric Materials with Exceptional Carbon Dioxide Capture Capacities
( Hamad bin Khalifa University Press (HBKU Press) , 2011 , Conference)Carbon dioxide (CO2) emissions resulting from combustion of fossil based fuels increasing the atmospheric CO2 concentration (currently at 393 ppm) is indubitably an alarming environmental issue such as an irreversible ... -
Applications of Matlab optimization capabilities in the design of N-continuous stirred tank bioreactors connected in series
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference)The optimal design (variable volume) of continuous stirred tank reactors (CSTR's), in series, performing biological conversion of organic materials, was derived. The optimal design was based on the minimum overall reactor ... -
Reactive Absorption of CO2 Using Ethylaminoethanol Promoted Aqueous Potassium Carbonate Solvent
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Atmospheric concentration of CO2, which is considered as one of the major greenhouse gases (GHGs), has increased up to 398 ppmv as of 2015. CO2 concentration in atmosphere was 280 ppmv in pre-industrial era, and due to the ... -
Electrochemical Analyses of Sodium based Mixed Pyrophosphate Cathodes for Rechargeable Sodium Ion Batteries
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Lithium ion batteries (LIB) are widely applied to energy storage systems, like electric vehicles, ships. While limited reserves of lithium and cost of lithium enforced to explore new materials. Hence, Low cost and abundance ... -
Development of Green Inhibitors to Prevent Hydrates Formation, Protect Environment and Reduce Energy Cost in Oil and Gas Industry
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Gas hydrates are identified as ice-liked solid, crystalline compounds having polyhedral water cavities, where gas molecules get trapped during operation under high pressure and low temperature condition. These hydrates ... -
The carbon conundrum: GCC perspectives
( Hamad bin Khalifa University Press (HBKU Press) , 2012 , Article)The solution to the carbon conundrum does not seem to be within reach in the short or medium term, despite significant advances and knowledge gains in demonstration scale CCS facilities. This stems from the fact that ... -
Solar Thermochemical CO2 Utilization via Ceria Based Redox Cycle
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)According to the recent studies, it is expected that the global energy requirement will increase from 14 TW to 30 TW by the year 2050. Currently, fossil fuels are the major energy source utilized for the fulfillment of the ... -
Simulation and Optimization of an LNG Plant Cold Section
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference)Simulation and Optimization of an LNG Plant Cold Section Mary Anna Katebah, Mohamed Mamoon Hussein, Easa I. Almusleh* Chemical engineering department, Qatar University Global energy demands are expected to rise by almost ... -
Protecting environment and assuring efficient energy transfer using ionic liquids
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference)Gas hydrates are ice-like crystalline compounds that are formed when small gas molecules get trapped within the water molecules under high pressure and low-temperature conditions in oil and gas transmission lines. The ...
