Browsing Chemical Engineering by Title
Now showing items 911-930 of 1136
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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, ... -
Solar Energy Storage via Thermochemical Metal Oxide/Metal Sulfate Water Splitting Cycle
( Materials Research Society , 2018 , Conference Paper)This paper reports the effect of Ar molar flow-rate on thermodynamic efficiency analysis of zinc oxide-zinc sulfate (ZnS-ZnO) water splitting cycle useful for solar H2 production. The thermodynamic efficiency analysis is ... -
Solar Fuel production via GeO2/Geo thermochemical H2O and CO2 splitting cycle
( AIChE , 2015 , Conference Paper)This paper reports the thermodynamic feasibility of the production of solar fuel via GeO2/GeO Thermochemical H2O and CO2 Splitting Cycle. This is a two-step process in which the first step is solar thermal dissociation of ... -
Solar hydrogen production via a samarium oxide-based thermochemical water splitting cycle
( MDPI AG , 2016 , Article)The computational thermodynamic analysis of a samarium oxide-based two-step solar thermochemical water splitting cycle is reported. The analysis is performed using HSC chemistry software and databases. The first (solar-based) ... -
Solar hydrogen production via copper oxide - Copper sulfate water splitting cycle
( AIChE , 2015 , Conference Paper)In this paper computational thermodynamics modeling of the solar H2 production via twostep thermochemical copper oxide - copper sulfate (CO-CS) water splitting cycle is reported. In this cycle, the first step corresponds ... -
Solar hydrogen production via erbium oxide based thermochemical water splitting cycle
( American Institute of Physics Inc. , 2016 , Article)The erbium oxide based water splitting (Eb-WS) cycle was thermodynamically studied by using the HSC Chemistry software and databases. The first step of the Eb-WS cycle involves thermal reduction of Er2 O3, whereas the ... -
Solar hydrogen production via thermochemical iron oxide-iron sulfate water splitting cycle
( Elsevier Ltd , 2015 , Article)This paper reports the thermodynamic analysis of solar H2 production via two-step thermochemical iron oxide–iron sulfate (IO–IS) water splitting cycle. The first step belongs to the exothermic oxidation of FeO via SO2 and ... -
Solar hydrogen production via thermochemical metal oxide - Metal sulfate water splitting cycle
( AIChE , 2015 , Conference Paper)This paper reports the thermodynamic analysis of solar H2 production via two-step thermochemical iron oxide - iron Sulfate (IO-IS) water splitting cycle. The first step belongs to the exothermic oxidation of FeO via SO2 ... -
Solar light responsive TiO2-ZnO, modified with graphitic carbon nitride nano-sheet for degradation of AB29
( John Wiley and Sons Ltd , 2020 , Article)BACKGROUND Photodegradation has drawn much attention in recent decades due to the technique’s ability to mineralize nonbiodegradable pollutants. Renewable energy sources, such as solar light energy, can be used to aid the ...