Papers by Muhammad Faisal Irfan
Mining, Metallurgy & Exploration
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Energy
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American Journal of Applied Sciences
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Journal of Physics and Chemistry of Solids, 2016
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Environmental Progress & Sustainable Energy
The catalytic activity of Co3O4 catalyst was examined in a differential reactor for NO conversion... more The catalytic activity of Co3O4 catalyst was examined in a differential reactor for NO conversion into NO2 and N2O. It was observed that mostly NO oxidized into NO2 rather than N2O over catalyst at above 250 ℃ in the presence of 5% oxygen and 10% water and the maximum conversion was noted to be 71% at 300 ℃. However, the presence of H2O contents slightly suppressed the NO2 generation due to the occupation of active sites by H2O but there was no effect found to be appeared on the N2O generation. At low calcination temperature of 300 ℃, the activity of the catalyst for NO conversion into NO2 and N2O was found to be highest compared with the activities at higher calcination temperatures due to the sintering of the catalyst. NO conversion in to NO2 and N2O was also inhibited in the presence of hydrocarbon over Co3O4 due to the hydrocarbon competition with NO on the active sites of the catalyst. Moreover, on Co3O4 catalyst, the activity of NO conversion was more selective towards the NO2...
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The combustion characteristics of Datong coal in the different N2/O2/CO2 environments have been e... more The combustion characteristics of Datong coal in the different N2/O2/CO2 environments have been extensively studied by using thermo-gravimetric technique. The effects of combustion environment, oxygen and CO2 concentrations, particle size and different heating rates were considered. Results show that the coal pyrolysis in CO2 environment can be divided into three stages: moisture release, devolatilization and char gasification by CO2 at higher temperature zone. In the lower temperature zone, the mass loss rate of coal pyrolysis in CO2 environment is higher than that in N2 environment and the burning process of coal in O2/CO2 environment is almost same compared with that in O2/N2 environment for equivalent oxygen concentrations but slightly lesser than O2/N2 environment. With the increase of oxygen concentration, the burning rate of coal increases and burnout time is shortened. As the heating rate increases, coal particles are faster heated in a short period of time and burnt in a hi...
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Renewable and Sustainable Energy Reviews, 2012
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The Environmentalist, 2011
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Renewable and Sustainable Energy Reviews, 2012
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Journal of Industrial and Engineering Chemistry, 2013
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International Journal of Chemical Kinetics, 2006
Nitrogen oxides (NO, NO 2 , and N 2 O) are one of the major sources of air pollutants that contri... more Nitrogen oxides (NO, NO 2 , and N 2 O) are one of the major sources of air pollutants that contribute to photochemical smog, acid rain, ozone depletion, and green house effects 1. Nearly all NO x (95%) derives from transportation (49%) and power plants (46%) 2. For NO x removal, ...
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Industrial & Engineering Chemistry Research, 2009
The NO reduction over CuO/γ-Al 2 O 3 catalyst in a bubbling fluidized bed reactor has been determ... more The NO reduction over CuO/γ-Al 2 O 3 catalyst in a bubbling fluidized bed reactor has been determined on the basis of the two-phase model at the maximum conversion temperature of 300 °C. This temperature is critical as it deals maximum conversion, NH 3 adsorption/desorption, and ...
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Fuel, 2012
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Environmental Progress & Sustainable Energy, 2012
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Energy Conversion and Management, 2011
NOx reduction from gas stream by selective non-catalytic reduction (SNCR) using urea as a reducin... more NOx reduction from gas stream by selective non-catalytic reduction (SNCR) using urea as a reducing agent was performed in this study. A Pilot-scale experimental system was designed and constructed to evaluate the NOx reduction efficiency and temperature window of the process. Particularly, different types of additives were added during SNCR process to improve NOx reduction efficiency and enlarge temperature window.
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Energy, 2011
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Electrochimica Acta, 2013
Graphene is a 2D allotrope of carbon with exciting properties such as extremely high electronic c... more Graphene is a 2D allotrope of carbon with exciting properties such as extremely high electronic conductivity and superior mechanical strength. It has considerable potential for applications in fields such as bio-sensors, electrochemical energy storage and electronics. In most cases, graphene has been functionalized and modified with other materials to prepare composites. This work reviews the electrochemical modification of graphene. Commencing
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Chemosphere, 2007
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Papers by Muhammad Faisal Irfan