تصفح Chemical Engineering حسب العنوان
السجلات المعروضة 904 -- 923 من 1137
-
Simulation and economic evaluation of natural gas hydrates [NGH] as an alternative to liquefied natural gas [LNG]
( Elsevier B.V. , 2005 , Article)Despite the fact that relatively little is known about the ultimate resource potential of natural gas hydrates, it is certain that gas hydrates are a vast storehouse of natural gas and significant technical challenges need ... -
Simulation and Optimization of an LNG Plant Cold Section
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)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 ... -
Simulation of large capacity MSF brine circulation plants
( Elsevier B.V. , 2006 , Article)New multistage flashing desalination units (MSF) are being constructed with large capacity that may vary from 50,000 to 75,000 m3/d. This is almost 2–3 times the conventional unit capacity of 27,000–32,000 m3/d, which were ... -
Simulation of steam gasification of halophyte biomass for syngas production using Aspen Plus
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)Exploring the new non-edible source of biomass for green energy production becomes extremely important with the increase in global energy crises. The primary objective of this work is to evaluate the potential of halophyte ... -
Simulation-optimization framework for synthesis and design of natural gas downstream utilization networks
( MDPI AG , 2018 , Article)Many potential diversification and conversion options are available for utilization of natural gas resources, and several design configurations and technology choices exist for conversion of natural gas to value-added ... -
Simultaneous water reclamation and nutrient recovery of aquaculture wastewater using membrane distillation
( Elsevier , 2022 , Article)A large amount of aquaculture wastewater with high load of nutrients, organic matter, and microalgae will pollute receiving water body and needs to treat before discharge. In this work, membrane distillation (MD) with the ... -
Single and multi-component adsorption of aromatic acids using an eco-friendly polyaniline-based biocomposite
( Elsevier B.V. , 2017 , Article)The polyaniline coated with an agricultural waste (Argan nut shell) was prepared via in-situ chemical polymerization and used as an adsorbent material for removal of trimellitic (Tri), hemimellitic (Hemi) and pyromellitic ... -
Single crystal structure, vibrational spectroscopy, gas sorption and antimicrobial properties of a new inorganic acidic diphosphates material (NH4)2Mg(H2P2O7)2•2H2O
( Nature Research , 2020 , Article)We report on the successful synthesis of diammonium magnesium dihydrogendiphosphate (V) dihydrate compound (NH4)2Mg(H2P2O7)2•2H2O using a wet chemical route. Single crystal X-ray difraction analysis and micro Raman ... -
Single step synthesis of porous NiCoO2 for effective electrooxidation of glycerol in alkaline medium
( Electrochemical Society Inc. , 2018 , Article)Herein, we report the electrooxidation of glycerol in alkaline media in presence of highly active and durable NiCoO2 catalyst synthesized using single step solution combustion synthesis (SCS) and compare its activity with ... -
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. ... -
Size-resolved ambient bioaerosols concentration, antibiotic resistance, and community composition during autumn and winter seasons in Qatar
( Elsevier , 2023 , Article)This study investigates the size distribution, microbial composition, and antibiotic resistance (ABR) of airborne bioaerosols at a suburban location in Doha, Qatar between October 2021 and January 2022. Samples were collected ... -
Smart epoxy coating modified with isophorone diisocyanate microcapsules and cerium organophosphate for multilevel corrosion protection of carbon steel
( Elsevier B.V. , 2020 , Article)This study investigates the corrosion resistance of steel plates coated with epoxy-based coatings modified with microcapsules loaded with isophorone diisocyanate and with pH-sensitive cerium tri(bis(2-ethylhexyl)phosphate ... -
Smart non-woven fiber mats with light-induced sensing capability
( MDPI AG , 2020 , Article)This article is focused on the facile procedure for 2D graphene oxide (GO) fabrication, utilizing reversible de-activation polymerization approach and therefore enhanced compatibility with surrounding polymer matrix. Such ... -
Sodium and lithium incorporated cathode materials for energy storage applications - A focused review
( Elsevier B.V. , 2021 , Article Review)The idea of lithium (Li)/sodium (Na) incorporated cathodes for both Li/Na-ion batteries has gained significant consideration throughout the past decade. The encouraging performance of various reported Li/Na incorporated ... -
Sodium intercalation/de-intercalation mechanism in Na4MnV(PO4)3 cathode materials
( Elsevier Ltd , 2018 , Article)Na4MnV(PO4)3 is a sodium ion conducting material with a NASICON type crystal structure. This phase is not much known as an electrode material. The present work focuses on the sodium ion intercalation/de-intercalation ... -
Sol-gel derived CeO2-Fe2O3 nanoparticles: Synthesis, characterization and solar thermochemical application
( Elsevier Ltd , 2016 , Article)Synthesis of CeO2-Fe2O3 nanoparticles via propylene oxide (PO) aided sol-gel method for the production of solar fuels via thermochemical H2O/CO2 splitting cycles is reported in this paper. For the synthesis of CeO2-Fe2O3, ... -
Sol-gel synthesis of nanocrystalline Ni-ferrite and Co-ferrite redox materials for the rmoche mical production of solar fuels
( Materials Research Society , 2014 , Conference Paper)In this contribution, we report the synthesis and characterization of NixFe3-xO4 and CoxFe3-xO4 redox nanomaterials using sol-gel method. These materials will be used to produce solar fuels such as H2 or syngas from H2O ... -
Sol-gel synthesized NixFe3−xO4 for thermochemical conversion of CO2
( Elsevier B.V. , 2019 , Article)To identify the best suitable metal oxide (MO) to split H2O/CO2, it is critical to investigate the formation of O2 vacancies during thermal reduction (TR) step and the re-oxidation of the MOs via H2O or CO2 splitting (CS) ... -
Solar co-production of samarium and syngas via methanothermal reduction of samarium sesquioxide
( Elsevier Ltd , 2016 , Article)This paper reports the thermodynamic analysis of the solar methanothermal reduction of Sm2O3 for the co-production of Sm and syngas in (a) Sm-Syngas open cycle, and (b) Sm-Syngas closed cycle. As per the chemical thermodynamic ... -
Solar driven two-step CH4 reforming and H2O splitting using Al2O3 for Co-production of Al, syngas, and H2
( Elsevier Ltd , 2018 , Article)The thermodynamic equilibrium and efficiency analysis of the solar-driven Al2O3-based CH4 reforming and H2O splitting process is performed in two sections: (1) Al and syngas producing open process (AS), and (2) Al, syngas, ...