Get Answers to all your Questions

header-bg qa

Activated sludge should have the ability to settle quickly so that it can:

a. be rapidly pumped back from sedimentation tank to aeration tank
b. absorb pathogenic bacteria present in wastewater while sinking to the bottom of the settling tank
c. be discarded and anaerobically digested
d. absorb colloidal organic matter

Answers (1)

The answer is the option (c) be discarded and anaerobically digested

Posted by

Gurleen Kaur

View full answer