Environmental Engineering in CE
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

Chlorination
Treating in biological oxygen pond
None of these
Chemical coagulation

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Environmental Engineering in CE
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

Proportional to the viscosity & density of the gas
Proportional to the pressure of the gas
Inversely proportional to viscosity of gas
Both B and C

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