learn.howToCalculate
learn.whatIsHeading
Gray water reuse captures wastewater from sinks, showers, laundry for non-potable uses (irrigation, toilet flushing). Reduces freshwater demand.
ステップバイステップガイド
- 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%
解いた例
入力
Household 200 L gray water daily, uses 100 L for toilet/irrigation
結果
Freshwater reduction: 36,500 L/year
Equivalent to 1-2 months supply
避けるべきよくある間違い
- ✕Mixing gray water with black water (toilet)
- ✕Over-storing gray water without treatment (odor and contamination)
よくある質問
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.
計算する準備はできましたか?無料の Gray Water 計算機をお試しください
自分で試してみる→