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Capacity: 4T/day,Recycling rate:95%,

Operation cost:180CNY/T

Operation cost:180CNY/T *4T=720CNY

Water recycling:4T×95%=3.8T

Save per day:3,000CNY/T ×3.8T-720CNY=10,680CNY

Save per year:10,680CNY/day ×300days=320.4million CNY

* The price of sewage reclamation is about 3000CNY/T.