نتایج جستجو برای: boudouard reaction
تعداد نتایج: 412407 فیلتر نتایج به سال:
Carbon deposition due to the inverse Boudouard reaction (2CO → CO2 + C) has been studied on yttria-stabilized zirconia (YSZ), Y2O3, and ZrO2 in comparison to CH4 by a variety of different chemical, structural, and spectroscopic characterization techniques, including electrochemical impedance spectroscopy (EIS), Fourier-transform infrared (FT-IR) spectroscopy and imaging, Raman spectroscopy, and...
Increasing the energy density of supercapacitor without sacrificing its high power is an everlasting pursuit in storage. Using ionic liquid electrolyte with operating voltage can increase but usually at expense due to large ion size, low conductivity and viscosity. Herein we demonstrate a simultaneous densities (EMIMBF4) mainly by enlarging ion-transfer micropore channels electrode material, i....
Hydrogen has received substantial attention because of its diverse application in the energy sector. Steam methane reforming (SMR) dominates current hydrogen production and is least expensive endothermic reaction to produce grey hydrogen. This technology provides advantages low cost high efficiency; however, it emits an enormous amount CO2. Carbon capture storage (CCS) helps reduce these emissi...
The reaction mechanism of the carbothermic reduction Fe3O4 powder heated by radiating multi-mode microwave with 2.45 GHz and 2.8 kW was clarified means gas analysis changing contact state mixed powder. process classified in three stages. In stage I, magnetic loss induction current graphite (Gr) reached peak temperature 1000°C to 1200°C 30 s 40 after irradiation, then dropped rapidly at 600°C 70...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...
Abstract Platinum group metals such as palladium and rhodium based catalysts are currently being implemented in gasoline particulate filter (GPF) autoexhaust after treatment systems. However, little is known about how the trapped matter, incombustible ash, interacts with catalyst so may affect its performance. This operando study follows evolution of Pd found two different model GPF systems: on...
Metallurgical coke with high strength and low reactivity is used in the ironmaking blast furnace. Replacement of some coking coal bio-coal was shown to result lower higher produced due introduction reactive carbon ash components catalyzing Boudouard reaction, but also lowering blend fluidity, which influences negatively. The current study aims investigate possibility counteract negative impact ...
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