تصفح Chemical Engineering حسب العنوان
السجلات المعروضة 1089 -- 1108 من 1131
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Treatment of septic tank effluent using moving-bed biological reactor: kinetic and biofilm morphology
( Center for Environmental and Energy Research and Studies , 2016 , Article)Septic tanks are very commonly used wastewater collection systems throughout the world, and especially in rural areas. In this study, the use of moving-bed biological reactors (MBBR) for the treatment of septic tank effluent ... -
Treatment of spent engine oil (spent SAE W50) via solvent extraction- adsorption process for the production of transfer oil: Physico-chemical properties of the adsorbents
( Elsevier , 2023 , Article)Regeneration of base oil from spent engine oil (spent SAE W50) for transfer oil production has been investigated using the solvent extraction-adsorption method. Solvent treated base oil regenerated from spent SAE W50 was ... -
Treatment of waste gas contaminated with dichloromethane using photocatalytic oxidation, biodegradation and their combinations
( Elsevier B.V. , 2021 , Article)The treatment of waste gas (WG) containing dichloromethane (DCM) using advanced oxidation processes (AOPs) [UV and UV-TiO2], biological treatment (BT), and their combination (AOPs-BT) was tested. AOP tests were performed ... -
Treatment of waters colored with methylene blue dye by vacuum membrane distillation
( Elsevier B.V. , 2004 , Article)Textile industries consume large amounts of water and generate highly dye-contaminated effluents. Textile wastewaters have to be treated in order to be recycled in the process or to meet legislative requirements before ... -
Treatment technologies for cooling water blowdown: A critical review
( MDPI , 2022 , Article Review)Cooling water blowdown (CWBD) generated from different industries and district cooling facilities contains high concentrations of various chemicals (e.g., scale and corrosion inhibitors) and pollutants. These contaminants ... -
Triple-renewable energy system for electricity production and water desalination
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)This work presents a novel triple-renewable energy system (TRES) that is based on integrating the photovoltaic panels (PVPs), conventional solar chimney (CSC), and cooling tower (CT) in one structure. The ultimate objective ... -
Ultrasonic and thermal properties of γ-irradiated low-density polyethylene
( John Wiley & Sons, Inc. , 1993 , Article)The ultrasonic pulse-echo technique and differential thermal analysis were utilized to characterize and to monitor the effect of ?-irradiation on the sonic modulus and the heat effect of low-density polyethylene. The sonic ... -
Unanswered issues on decarbonizing the aviation industry through the development of sustainable aviation fuel from microalgae
( Elsevier , 2023 , Article)Concerns have been raised about the effects of fossil fuel combustion on global warming and climate change. Fuel consumer behavior is also heavily influenced by factors such as fluctuating fuel prices and the need for a ... -
Unconventional experimental technologies available for phase change materials (PCM) characterization. Part 1. Thermophysical properties
( Elsevier Ltd , 2015 , Article)The use of thermal energy storage by phase change materials (PCM) is increasing in interest for building applications. For the deployment of the technology, appropriate characterization of PCM and hybrid PCM is essential, ... -
Unconventional experimental technologies used for phase change materials (PCM) characterization: Part 2 - Morphological and structural characterization, physico-chemical stability and mechanical properties
( Elsevier Ltd , 2015 , Article)Due to the high interest of appropriate characterization of PCM and hybrid PCM composites, different research centres and universities are using several material characterization techniques not commonly used with PCM, to ... -
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 ... -
Understanding ethanol hydrogen abstraction mechanism on CuNi catalyst
( AIChE , 2015 , Conference Paper)In this work we report the synthesis of copper oxide nanoparticles using solution combustion synthesis. These nanopowders are used as catalyst in ethanol decomposition reaction for hydrogen production. In situ study of ... -
Understanding ethanol hydrogen abstraction mechanism on CuNi catalyst
( AIChE , 2015 , Conference Paper)In this work we report the synthesis of copper oxide nanoparticles using solution combustion synthesis. These nanopowders are used as catalyst in ethanol decomposition reaction for hydrogen production. In situ study of ... -
Understanding the electrochemical performance of LiNi0. 5Mn1.5O4 coated with Yttria and distributed over graphene nanosheets as cathode in li-ion batteries
( Qatar University Press , 2021 , Poster)LiNi0.5Mn1.5O4 is a promising cathode material for lithium-ion batteries with a high-voltage spinel structure. A microwave-assisted chemical co-precipitation method was used to synthesize Y2O3 coated quasi-spheres of ... -
Understanding the Origin of the Ultrahigh Rate Performance of a SiO2-Modified LiNi0.5Mn1.5O4 Cathode for Lithium-Ion Batteries
( American Chemical Society , 2019 , Article)LiNi0.5Mn1.5O4 (LNMO) is one of the most promising cathode materials for next-generation lithium-ion batteries for rapid charging–discharging applications. The surfaces of LNMO samples are coated with different amounts ... -
Understanding the progress and challenges in the fields of thermo-catalysis and electro-catalysis for the CO2 conversion to fuels
( Institute for Ionics , 2024 , Article Review)The need to limit anthropogenic CO2 emissions and lower the atmospheric CO2 concentration makes CO2 conversion an imminent requirement. Availability of suitable facilities and prior understanding how electro and thermal ... -
Unravel the impact of anchoring groups on the photovoltaic performances of diketopyrrolopyrrole sensitizers for dye-sensitized solar cells
( American Chemical Society , 2015 , Article)Two D-?-A dyes, one with a strong electron withdrawing cyanoacrylic acid DPP 20 and one with a weak acceptor carboxylic acid DPP 21 have been synthesized and characterized for their application in dye-sensitized solar ... -
Unravelling and Reconstructing the Nexus of Salinity, Electricity, and Microbial Ecology for Bioelectrochemical Desalination
( American Chemical Society , 2017 , Article)Microbial desalination cells (MDCs) are an emerging concept for simultaneous water/wastewater treatment and energy recovery. The key to developing MDCs is to understand fundamental problems, such as the effects of salinity ... -
Use of DPSIR Framework to Analyze Water Resources in Qatar and Overview of Reverse Osmosis as an Environment Friendly Technology
( John Wiley and Sons Inc. , 2019 , Article Review)Qatar and other countries of Gulf Cooperation Council are among the most water scarce countries in the world and are being characterized as “high‐water risk” countries by Water Resource Institute. Therefore, it is important ... -
Use of laser-induced break spectroscopy for the determination of major and trace elements in Zanthoxylum armatum
( Springer Nature , 2020 , Article)Zanthoxylum armatum (ZA) is a medicinal plant (MP) that is widely distributed in hilly and moist areas and has a different medical effect on human curative functions. Laser-induced breakdown spectroscopy (LIBS) was employed ...
