Chemical Engineering - Environmental Engineering - Discussion

Discussion Forum : Environmental Engineering - Section 5 (Q.No. 42)

Environmental Engineering

42.

Lagoons used for purification of polluted water

are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds.

use micro-organisms/bacteria in presence of dissolved oxygen.

gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre.

all (a), (b) & (c).

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

Be the first person to comment on this question !

Post your comments here:

Quick links

Quantitative Aptitude

Verbal (English)

Reasoning

Programming

Interview

Placement Papers