What are the sources of SO2?
[3 marks]Write a note on Alkalized Alumina process.
[4 marks]Discuss control of oxides of nitrogen by modification of operating conditions and modification of design condition.
[7 marks]Discuss the assumption and limitation of Gaussian Plume modelling.
[3 marks]Discuss the Features of AERMOD.
[4 marks]Discuss control of oxides of Sulphur during combustion.
[7 marks]Discuss control of oxides of Sulphur by desulphurization of flue gas by wet methods.
[7 marks]Write the formula for Gaussian Model.
[3 marks]Explain Chemico process in detail.
[4 marks]Discuss the Control of Sulphur dioxide emission by wet scrubbing methods.
[7 marks]Explain in detail about Girbotol process and Claus process for sulphur removal during combustion.
[3 marks]Discuss control of oxides of Sulphur by extraction from fuels.
[4 marks]Ahorizontal parallel-plate ESP consists of a single-duct 38ft high and 20ft deep with a 11-inch plate-to-plate spacing. Acollection efficiency of 92.7% is obtained with a flow rate of 2800 acfm. The inlet loading is 6.29 gr/ft3. Calculate the following:
[7 marks]What value of ϕ will yield an efficiency of 99.8%?
[ marks]What are the limitations of deterministic models?
[3 marks]Write a note on hydrodesulphurization of coal.
[4 marks]Acyclone currently operates with an efficiency of 74%. Assuming that the flow rate is increased by 43%, estimate a revised efficiency.
[7 marks]Discuss the various mechanisms to control particulate matter.
[3 marks]Explain GLC determination in detail.
[4 marks]Discuss control of oxides of Sulphur by desulphurization of flue gas by dry methods.
[7 marks]What are the limitations of statistical models?
[3 marks]Discuss the Features of CALINE.
[4 marks]Discuss the control of oxides of nitrogen from effluent gas by catalytic decomposition and reduction.
[7 marks]What the sources of NOx?
[3 marks]Design a gravity settler to remove all iron particulates of 40 μm from a dust laden gas stream having flow as 120 ft3/s and velocity as 11 ft/s. Consider density of particles as 7.62 g/cm3
[4 marks]Discuss the control of oxides of nitrogen from effluent gas by adsorption and absorption.
[7 marks]What will be the drift velocity for the system?
[ marks]What will be the outlet loading?
[ marks]What will the efficiency be if the collection area doubles, while the drift velocity and the volume rate of flow remain the same for ϕ ? old
[ marks]What will the efficiency be if the drift velocity doubles, while the collection area and the volume rate of flow remain the same ϕ ? new
[ marks]What will the efficiency be if the volume rate of flow doubles, while the drift velocity and the collection area remain the same ϕ ? new
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