Chemical Engineering: Recent submissions
Now showing items 281-300 of 1175
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Reaction kinetics of carbon dioxide in aqueous blends of N-methyldiethanolamine and glycine using the stopped flow technique
( Elsevier , 2016 , Article)Carbon dioxide managements and its association with global worming remains a major concern among governments and the scientific community, with novel, energy efficient and more affordable technologies topping the research ... -
Thermodynamic characterization of deepwater natural gas mixtures with heavy hydrocarbon content at high pressures
( Elsevier , 2015 , Article)This paper includes high-accuracy density measurements and phase envelopes for deepwater natural gas mixtures. Mixtures primarily consist of (0.88 and 0.94) mole fraction methane and both mixtures includes heavy components ... -
Green hydrogen for industrial sector decarbonization: Costs and impacts on hydrogen economy in qatar
( Elsevier , 2021 , Article)This study focuses on the development of a strategic framework for the design of a hydrogen supply chain network (HSCN) mainly investigating the potential of industrial decarbonization and multi-sectors integration (i.e., ... -
Comparative Study on Gas-Sensing Properties of 2D (MoS2, WS2)/PANI Nanocomposites-Based Sensor
( MDPI , 2022 , Article)NH3 is a highly harmful gas; when inhaled at levels that are too high for comfort, it is very dangerous to human health. One of the challenging tasks in research is developing ammonia sensors that operate at room temperature. ... -
Understanding electricity generation in osmotic microbial fuel cells through integrated experimental investigation and mathematical modeling
( Elsevier Ltd , 2015 , Article)(Graph Presented). Osmotic microbial fuel cells (OsMFCs) are a new type of MFCs with integrating forward osmosis (FO). However, it is not well understood why electricity generation is improved in OsMFCs compared to regular ... -
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 ... -
Microbial desalination cells as a versatile technology: Functions, optimization and prospective
( Elsevier , 2015 , Article Review)Saline water such as seawater or brackish water is a potential source for drinking water or for non-potable applications, but the existing desalination techniques are energy intensive. Therefore, there is an urgent need ... -
Development of Bioelectrochemical Systems to Promote Sustainable Agriculture
( MDPI , 2015 , Article Review)Bioelectrochemical systems (BES) are a newly emerged technology for energy-efficient water and wastewater treatment. Much effort as well as significant progress has been made in advancing this technology towards practical ... -
Biohydrogen production from lignocellulosic biomass: Technology and sustainability
( MDPI AG , 2015 , Article)Among the various renewable energy sources, biohydrogen is gaining a lot of traction as it has very high efficiency of conversion to usable power with less pollutant generation. The various technologies available for the ... -
Oxygen reduction reaction catalysts used in microbial fuel cells for energy-efficient wastewater treatment: A review
( Royal Society of Chemistry , 2016 , Article Review)Microbial fuel cells (MFCs) as an energy-efficient wastewater treatment technology have attracted increasing interest in the past decade. Cathode catalysts for the oxygen reduction reaction (ORR) present a major challenge ... -
Bioelectricity generation from treatment of petroleum refinery wastewater with simultaneous seawater desalination in microbial desalination cells
( Elsevier Ltd , 2017 , Article)Petroleum refinery wastewater (PRW) contains a high concentration of pollutants and may pose serious environmental risks. Conventional treatment methods of PRW are energy intensive, and thus there is an urgent need to ... -
Recycling of hospital laundry wastewater using membrane technology
( Desalination Publications , 2017 , Article)The laundry wastewater from a Qatari hospital has been characterized and its membrane filtration behavior studied. 1,800-2,500 L or wastewater per cycle for washing a laundry load of 40-50 kg was determined, with the ... -
When bioelectrochemical systems meet forward osmosis: Accomplishing wastewater treatment and reuse through synergy
( MDPI AG , 2015 , Article Review)Bioelectrochemical systems (BES) and forward osmosis (FO) are two emerging technologies with great potential for energy-efficient water/wastewater treatment. BES takes advantage of microbial interaction with a solid electron ... -
Biofilm formation and electron transfer in bioelectrochemical systems
( Taylor and Francis Ltd. , 2018 , Article)In the recent years, considerable body of research has been carried out in the field of bioelectrochemical systems (BESs) for treatment of wastewater and generation of power. In these systems, different microbes are used ... -
Life cycle environmental impact comparison of bioelectrochemical systems for wastewater treatment
( Elsevier B.V. , 2019 , Conference)Bioelectrochemical systems (BESs) are developed to transform the energy harvested from the biomass into electricity. Different types of BESs including microbial fuel cell (MFC), microbial electrolysis cell (MEC), and ... -
Enhanced bioelectrochemical treatment of petroleum refinery wastewater with Labaneh whey as co-substrate
( Nature Research , 2020 , Article)Petroleum refinery wastewater (PRW) that contains recalcitrant components as the major portion of constituents is difficult to treat by conventional biological processes. Microbial fuel cells (MFCs) which also produce ... -
Acrylonitrile process enhancement through waste minimization: Effect of reaction conditions and degree of backmixing
( MDPI AG , 2021 , Article)Waste minimization in reactor design is an effective approach for pollution control, when compared to the traditional practice of the end-of-pipe treatment. Reactor degree of backmixing and operating conditions are important ... -
Optimum design of n continuous stirred-tank bioreactors in series for fermentation processes based on simultaneous substrate and product inhibition
( MDPI AG , 2021 , Article)Optimization of the continuous fermentation process is important for increasing efficiency and decreasing cost, especially for complicated biochemical processes described by substrate and product inhibition. The optimum ... -
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 ... -
Single-and multi-objective optimization of a dual-chamber microbial fuel cell operating in continuous-flow mode at steady state
( MDPI AG , 2020 , Article)Microbial fuel cells (MFCs) are a promising technology for bioenergy generation and wastewater treatment. Various parameters affect the performance of dual-chamber MFCs, such as substrate flow rate and concentration. ...
