GATE CE · 2026 · CE
Question 64: Water and Waste Water Quality and Treatment
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Question 64
CENAT2 marksNeeds review
Anaerobic bacteria are being utilized for the destruction of biodegradable organic content of wastewater measured in terms of Chemical Oxygen Demand (COD). The yield coefficient (Y) is 0.06 gram Volatile Suspended Solids (VSS) per gram of COD. Bacterial biomass forms the sludge during the process. The proximate chemical formula of anaerobic bacteria is C₆H₇NO₂.
The COD (in %) converted into bacterial biomass is ______ (rounded off to the nearest integer).
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2026CE
GATE CE 2026 · Paper 2
Civil Engineering · Original paper archive
- Section
- Civil Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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