Browsing Chemical Engineering by Title
Now showing items 411-430 of 1172
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Enhanced treatment of petroleum refinery wastewater by short-term applied voltage in single chamber microbial fuel cell
( Elsevier Ltd , 2018 , Article)Electrochemically active anodic biofilm that has adapted under mild applied potentials in the range 100–500 mV was evaluated for its improved bioelectrogenesis and bioelectrochemical treatment of petroleum refinery wastewater ... -
Enhancement of biogas production from agricultural wastes via pre-treatment with advanced oxidation processes
( Elsevier Ltd , 2019 , Article)The effects of advanced oxidation processes (AOPs) including Fenton, ozone, and ozone combined with Fe(II) and H2O2 on disintegration/solubilization of three mixed agricultural solid wastes and subsequent anaerobic digestion ... -
Enhancement of electrical and optical performance of N719 by co-sensitization
( Elsevier B.V. , 2018 , Article)This paper deals with the electrical, optical and electrochemical properties of a metal-free dye C78H74O8 (AS-2), which has been used to improve the photo-detection properties of C58H86N8O8RuS2 (N719) based Dye sensitized ... -
Enhancement of flocculation and dewaterability of a highly stable activated sludge using a hybrid system of organic coagulants and polyelectrolytes
( Elsevier Ltd , 2020 , Article)This study investigates the influence of hybrid coagulation-flocculation system on the flocculation and dewaterability efficiency of a real highly stable activated sludge obtained from the membrane bioreactor tank of a ... -
Enhancement of multi-media filter performance using talc as a new filter aid material: Mechanistic study
( Elsevier , 2015 , Article)The potential of using a new filter aid, namely, talc to enhance the removal of particles in a multi-media filter was investigated. In the case of the nano-scale particles the running time was enhanced by 300. min at a ... -
Enhancing desalination and wastewater treatment by coupling microbial desalination cells with forward osmosis
( Elsevier , 2015 , Article)Both microbial desalination cells (MDCs) and forwards osmosis (FO) are emerging technologies for energy-efficient water/wastewater treatment. However, incomplete treatment/desalination in both technologies creates challenges ... -
Enhancing hydrate inhibition performance of biomolecules by doping with synergents
( AIChE , 2017 , Conference Paper)The thermodynamic and kinetic inhibition effectiveness of the selected amino acids (AA): L-Alanine, Glycine, L-Histidine, L-Phenylalanine and L-Asparagine have been tested on the pure methane gas at different concentrations ... -
Enhancing liquid-phase olefin-paraffin separations using novel silver-based ionic liquids
( American Chemical Society , 2015 , Article)This paper describes the extraction of C5-C8 linear α-olefins from olefin/paraffin mixtures of the same carbon number using silver(I)/N,N-dimethylbenzamide bis(trifluoromethylsulfonyl)imide ([Ag(DMBA)2][Tf2N]) or ... -
Enhancing organic contaminant degradation through integrating advanced oxidation processes with microbial electrochemical systems
( Elsevier , 2023 , Article)Microbial electrochemical systems (MES) are studied to degrade organic contaminants with a lower energy demand, but degradation of recalcitrant compounds tends to be challenging. To enhance contaminant degradation in MES, ... -
Enhancing student learning in chemical engineering design via role play and enquiry guided learning: A case study from Qatar
(2012 , Conference Paper)Plant design is the capstone design course taken in the senior year of a chemical engineering students at Qatar University and is spread over two semesters (Plant Design I and Plant Design II). The course content, delivery ... -
Enhancing the degradation of selected recalcitrant organic contaminants through integrated cathode and anode processes in microbial electrochemical systems: A frontier review
( Elsevier B.V. , 2022 , Article)Microbial electrochemical system (MES) technology has been widely investigated for organic degradation. However, the removal of recalcitrant organic contaminants containing halogen-, nitro-, or azo-groups remains a great ... -
Enhancing the electrocatalytic properties of LaMnO3 by tuning surface oxygen deficiency through salt assisted combustion synthesis
( Elsevier B.V. , 2021 , Article)In this work, we report a detailed investigation on the salt assisted combustion synthesis of LaMnO3 perovskite catalyst for improving the electrochemical properties through agglomeration control and enhanced oxygen defects ... -
Enhancing the electrochemical performance of hybrid supercapacitors with in-situ grown ultrasound-mediated heterostructure bi-metallic and dual-linker MOF nanoarchitecture by harnessing charge storage mechanisms
( Elsevier , 2024 , Article)In the present technological era, energy storage devices like batteries and supercapacitors hold immense importance, and their hybrid variants have gained notable interest. The aim of this study was to develop a dual-linker ... -
Enhancing the flocculation of stable bentonite suspension using hybrid system of polyelectrolytes and NADES
( Elsevier B.V. , 2022 , Article)In this study, the influence of a hybrid coagulation/flocculation process on the electrokinetic of highly stable bentonite suspension has been examined. Choline chloride (ChCl) based natural deep eutectic solvent (NADES) ... -
Enhancing the production of biogas through anaerobic co-digestion of agricultural waste and chemical pre-treatments
( Elsevier Ltd , 2020 , Article)Large amounts of agricultural solid wastes (ASWs) and animal dung are produced annually causing serious environmental problem that requires proper treatment. The present study proposes a strategy for optimizing the anaerobic ... -
Environmental degradation of 30 to 50 years old reinforced concrete structures in Qatari climate
( Advanced Engineering Solutions , 2017 , Conference Paper)This paper presents the results of a field survey carried out on three reinforced concrete (RC) structures built respectively in 1960's 1970's and 1980's to determine the main load (environmental) and resistance (concrete ... -
Environmental impacts of solar photovoltaic systems: A critical review of recent progress and future outlook
( Elsevier B.V. , 2021 , Article)Photovoltaic (PV) systems are regarded as clean and sustainable sources of energy. Although the operation of PV systems exhibits minimal pollution during their lifetime, the probable environmental impacts of such systems ... -
Environmental sustainability through process integration, control and optimization
( AIChE , 2016 , Conference Paper)[No abstract available] -
Environmental sustainability through process integration, control and optimization
( AIChE , 2016 , Conference Paper)[No abstract available] -
Enzymatic Electrosynthesis Toward Value Addition
( Elsevier , 2019 , Book chapter)Utilization of enzymes as biocatalyst found to have specific advantages over whole-cell bacterial biocatalyst in electrochemical systems. The process of enzymatic catalysis in association with electrodes was found to have ...