GATE Civil Engineering
0 votes

A schematic flow diagram of a completely mixed biological reactor with provision for recycling of solids shown in the figure.


$S_0$, $S$ = readily biodegradable soluble BOD, mg/L

$Q, \: Q_r, \: Q_w$ = flow rates $m^3/d$

$X, \: X_0,  \: X_e, \: X_u$= microorganisms concentrations (mixed liquor soils volatile suspended solids or MLVSS ), mg/l

The mean cell residence time (in days, up to one decimal place) is _____

in Others by (3.9k points)
retagged by

Please log in or register to answer this question.

Welcome to GATE Civil Q&A, where you can ask questions and receive answers from other members of the community.
Top Users Sep 2020
    1,042 questions
    95 answers
    44,028 users