تصفح Chemical Engineering حسب العنوان
السجلات المعروضة 226 -- 245 من 1133
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Combustion synthesis of bifunctional LaMO3 (M = Cr, Mn, Fe, Co, Ni) perovskites for oxygen reduction and oxygen evolution reaction in alkaline media
( Elsevier B.V. , 2018 , Article)Lanthanum based electrocatalytically active LaMO3 (M = Cr, Mn, Fe, Co, Ni) perovskites were synthesized using a single step solution combustion technique. The structural and morphological properties of the catalysts were ... -
Combustion synthesis of copper ceria solid solution for CO2 conversion to CO via reverse water gas shift reaction
( Elsevier Ltd , 2022 , Article)The reverse water–gas shift chemical (RWGS) reaction is a promising technique of converting CO2 to CO at low operating temperatures, with high CO selectivity and negligible side products. In this study, we investigate the ... -
Combustion synthesis of copper-nickel catalysts for hydrogen production from ethanol
( Elsevier B.V. , 2015 , Article)Cu and Ni based catalysts were synthesized using solution combustion synthesis method. The catalytic activity and hydrogen selectivity were investigated for ethanol decomposition reaction. The amount of fuel content in the ... -
Combustion synthesis of lanthanum oxide supported Cu, Ni, and CuNi nanoparticles for CO2 conversion reaction
( Elsevier , 2022 , Article)The reverse water gas shift (RWGS) process is considered a feasible method for lowering greenhouse gas emissions by utilizing CO2 and converting it to CO. Herein, we evaluated the catalytic conversion of CO2 through the ... -
Combustion synthesis: A novel method of catalyst preparation
( Royal Society of Chemistry , 2019 , Article)In this chapter, we summarize work accomplished primarily by the authors on the use of solution combustion synthesis (SCS) in catalysis. Research in combustion synthesis at University of Notre Dame started with the group ... -
Combustion synthesized A0.5Sr0.5MnO3-δ perovskites (where, A = La, Nd, Sm, Gd, Tb, Pr, Dy, and Y) as redox materials for thermochemical splitting of CO2
( Elsevier B.V. , 2019 , Article)In this paper, A0.5Sr0.5MnO3 perovskites (where, A = La, Nd, Sm, Gd, Tb, Pr, Dy, and Y) were examined towards thermochemical CO2 splitting (CS) reaction. The solution combustion synthesis (SCS) method was employed for the ... -
Combustion synthesized nickel-cobalt catalyst deactivation by coking during ethanol decomposition reaction
( American Institute of Chemical Engineers , 2019 , Conference Paper)In this work, we report the catalytic dehydrogenation of ethanol over porous cobalt oxide and nickel-cobalt bimetal oxide (NiCoO2). Catalyst deactivation and the nature of carbon formation on these two catalysts are ... -
Comparative Investigation of the Physicochemical Properties of Chars Produced by Hydrothermal Carbonization, Pyrolysis, and Microwave-Induced Pyrolysis of Food Waste
( MDPI , 2022 , Article)This work presents a comparative study of the physicochemical properties of chars derived by three thermochemical pathways, namely: hydrothermal carbonization, HTC (at 180, 200 and 220 °C), pyrolysis, PY, (at 500, 600 and ... -
Comparative study between adsorption and membrane technologies for the removal of mercury
( Elsevier B.V. , 2021 , Article)Mercury is one of the most detrimental by-products of industrial activities, such as mining and fossil fuel combustion. What differentiates this contaminant from other pollutants is its bioaccumulation and rapid distribution ... -
Comparative Study of Homogeneous and Heterogeneous Modelling of Water-Gas Shift Reaction with Macro-or Micro-kinetics
( Elsevier Ltd , 2016 , Conference Paper)This paper presents critical studies on water-gas shift reaction (WGSR) kinetic models as well as the modelling approaches of the reactor, in which the reaction is conducted - the packed-bed tubular reactor (PBTR). There ... -
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. ... -
Comparative study on low and high pressure CO2 adsorption capacity of organic materials
( AIChE , 2016 , Conference Paper)Application of solid sorbents for CO2 capture and separation has been under consideration since last decades owing to the promising feature of repeatable use, low cost of regeneration and thermo physical stability. However, ... -
Comparison between multi-stage and single stage microalgae dewatering processes
( AIChE , 2018 , Conference Paper)The present work shows a quick, simple and accurate method for algae harvesting with a potential to relate the required polymer dose with in-situ hydrodynamics properties of alga solution. The method also reduces the lag ... -
Comparison of 2D triangular C-grid shallow water models
( Elsevier Ltd , 2018 , Article)An ideal two-dimensional (2D) shallow water model should be able to simulate correctly various types of waves including pure gravity and inertia-gravity waves. In this paper, two different triangular C-grid methods are ... -
Comprehensive insights into conversion of microalgae to feed, food, and biofuels: Current status and key challenges towards implementation of sustainable biorefineries
( Elsevier , 2023 , Article)Microalgae have been promoted as important feedstocks for producing biofuels and bioproducts. However, their production on a large scale would require a large amount of water and nutrients. Considering the importance of ... -
Comprehensive performance analysis and optimization of 1,3-dimethylimidazolylium dimethylphosphate-water binary mixture for a single effect absorption refrigeration system
( Higher Education Press Limited Company , 2022 , Article)The energy and exergy analyses of the absorption refrigeration system (ARS) using H2O-[mmim][DMP] mixture were investigated for a wide range of temperature. The equilibrium Dühring (P-T-XIL) and enthalpy (h-T-XIL) of mixture ... -
A comprehensive review on application of plant-based bioadsorbents for Congo red removal
( Springer , 2022 , Article)Rapid development of global printing and dyeing industry has enhanced the need of different dyes. Congo red (CR) dye is one of widely used dyes in dyeing industry due to its high chromaticity. So, CR with high chemical ... -
Computational Screening of Potential Inhibitors of Desulfobacter postgatei for Pyrite Scale Prevention in Oil and Gas Wells
( American Chemical Society , 2021 , Article)Sulfate-reducing bacteria (SRB), such as Desulfobacter postgatei are found in oil wells. However, they lead to the release of hydrogen sulfide. This in turn leads to the iron sulfide scale formation (pyrite). ATP sulfurylase ... -
Computational thermodynamic analysis of a solar thermochemical manganese oxide - Manganese sulfate water splitting cycle
( AIChE , 2016 , Conference Paper)In this paper computational thermodynamics modeling of the solar H2 production via twostep thermochemical manganese oxide - manganese sulfate (MnO-MnS) water splitting cycle is reported. In this cycle, the first step ... -
Computational thermodynamic analysis of solar fuel production via metal oxide based H2O and CO2 splitting thermochemical cycles
( AIChE , 2015 , Conference Paper)In this paper thermodynamic feasibility of the production of solar fuel via SnO2/SnO based thermochemical CO2 splitting redox reactions was investigated. The first step is the thermal dissociation of SnO2 into SnO where ...