Physics · Environmental Engineering
A dual-pipe plumbing system in a building separates sewage and sullage. This configuration is ideal for ________, where the less polluted sullage is collected and treated for ________.
- 1water recycling, toilet flushing✓
- 2multiple elutriations, cooking
- 3water filtration, bathing
- 4pre-chlorination, washing utensils
Correct answer
water recycling, toilet flushing
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