Chemical Engineering :: Environmental Engineering
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The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by
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Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by
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Which of the following dust collection equipments is the least efficient (for sub-micronic particles) ?
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Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is
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Dust collection efficiency of a cyclone separator depends upon its
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Ionisation potential employed in the industrial electrostatic precipitator is of the order of
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The widest explosive limit is of __________ , thereby making it the most explosive gas.
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Aerobic biological oxidation ponds used for the purification of polluted water
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Polluted water having low BOD are most economically treated in
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Tri-sodium phosphate is used in boiler water treatment to reduce
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