Engineering Board Exam Reviewer · Environmental Engineering · medium
A BOD/COD ratio of about 0.5 or higher in a wastewater suggests that it is:
- Non-biodegradable
- Highly radioactive
- Free of organic matter
- Readily biodegradable and suitable for biological treatment
Answer
D. Readily biodegradable and suitable for biological treatment
Solution
Low BOD/COD ratios indicate refractory or toxic organics.
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