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_______________?

Related Mcqs:

Pick out the correct statement ?

A. Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water B. COD is determined by oxidising the organic matter present in water with potassium dichromate in cone, sulphuric acid solution at boiling temperature for specified time C. COD is related to BOD of a given waste in water but … Pick out the correct statement ?Read More...

Presence of nitrates in water in excess of 50 ppm causes________________?

A. Methemoglobinemia B. Gastroenteritis C. Asphyxiation D. Tooth decay...

Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre) ?

A. Lagooning B. Activated carbon adsorption C. Biological oxidation pond D. Chemical coagulation...

Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about ______________ decibels?

A. 75 B. 95 C. 120 D. 140...

Noise level inside a jet airliner in normal flight is about ______________ decibels?

A. 80 B. 100 C. 125 D. 150...