GATE CE · 2018 · CE
Question 52: Water and Waste Water Quality and Treatment
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Question 52
CENAT2 marksNeeds review
A schematic flow diagram of a completely mixed biological reactor with provision for recycling of solids is shown in the figure.
S₀, S = readily biodegradable soluble BOD, mg/L
Q, Qᵣ, Qw = flow rates, m
/d
X₀, X, Xₑ, Xᵤ = microorganism concentrations (mixed-liquor volatile suspended solids or MLSS), mg/LThe mean cell residence time (in days, up to one decimal place) is _____
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2018CE
GATE CE 2018 · Paper 2
Civil Engineering · Original paper archive
- Section
- Civil Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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