Easy
1 point
ID: #19426
Question
Which coagualant is generally not used in sewage treatment?
Options
1
alum
Correct Answer
2
ferric chloride
Correct Answer
3
ferric sulphate
Correct Answer
4
cholrinoted copper
Correct Answer
Explanation
Chlorinated copper is not a standard coagulant. Common coagulants include alum, ferric chloride, and ferric sulphate. Copper compounds are toxic and generally used as algaecides, not coagulants.