Curioustab

Home » Chemical Engineering » Environmental Engineering

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
chemical coagulation
none of these

Correct Answer: treating in biological oxygen pond

← Previous Question Next Question→

More Questions from Environmental Engineering

Which of the following pollutants is not emitted during volcanic eruptions?
Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.
Exposure to chemicals having carcinogenic properties cause
A shallow pond in which the sewage is retained and biologically treated is called
Which of the following is the most severe air pollutant?
Which is the most practical and economical method for removal of suspended solid matter from polluted water?
Which of the following pollutants, if present in atmosphere is detectable by its odour?
The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated.
Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters?
Maximum permissible turbidity in potable water is __________ ppm.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion