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Gray water reuse captures wastewater from sinks, showers, laundry for non-potable uses (irrigation, toilet flushing). Reduces freshwater demand.
चरण-दर-चरण मार्गदर्शिका
- 1Typical household: 50-80% of wastewater is gray water
- 2Treatment options: simple settling, biofilter, or UV disinfection
- 3Using gray water reduces freshwater demand 30-50%
हल किए गए उदाहरण
इनपुट
Household 200 L gray water daily, uses 100 L for toilet/irrigation
परिणाम
Freshwater reduction: 36,500 L/year
Equivalent to 1-2 months supply
सामान्य गलतियां जिनसे बचना है
- ✕Mixing gray water with black water (toilet)
- ✕Over-storing gray water without treatment (odor and contamination)
अक्सर पूछे जाने वाले प्रश्न
What's safe to include in gray water?
Sink, shower, laundry water. Exclude toilet (black water), which requires separate treatment.
How long can gray water be stored?
Without treatment: 24-48 hours (anaerobic bacteria grow). With UV/chemical: up to 1 week.
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