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_______________?
Correct answer: B. Treating in biological oxygen pond
- A. Chlorination
- B. Treating in biological oxygen pond
- C. Chemical coagulation
- D. None of these
Explanation
Phenolic wastewater below about 100 mg/L can be treated biologically because microorganisms can degrade the phenol at this relatively low concentration. Chlorination and coagulation are not generally the preferred primary treatment for such biodegradable phenolic water.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Industrial workers working in leather tanning & manufacturing units are prone to suffer from ___________________?
____________ substances present in sewage are removed in grit chamber during sewage treatment?
Maximum allowable concentration of CO2 in air for safe working is _____________ ppm (parts per million)?
Noise level during normal conversation among men is about ______________ decibels?
Exposure to small amount of ______________ results in high blood pressure & heart disease in human beings?
Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes________________?