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ZLD project of landfill leachate

Author:孙奇 Click: Time:2019-05-30 00:00:00

ZLD project of landfill leachate

A power generation project by waste incineration in an industrial park in Jiangsu province is located at Yancheng city, occupying 74 thousand m2 of land. The total capacity of urban household waste is 1,400 tons per day. A process of pretreatment +UASB anaerobic reactor +MBR biochemical treatment system +NF nanofiltration is adopted to ensure that the treated waste water quality meets level-3 criteria of national discharge standards and then can discharge treated waste water to the centralized sewage treatment plant of the park.

"RO reverse osmosis +MD membrane distillation +MED forced circulation crystallization" process is adopted in the central sewage treatment area of the park to convert all concentrated brine into solid and fulfill zero liquid discharge of waste water in the park. The CSRE membrane distillation system has a feed capacity of 12.5 t/h and an evaporation capacity of 10 t/h. The concentrated brine from RO with a salt content of 40000mg/L is concentrated 5 times to 200000mg/L, which is the feed of subsequent forced circulation crystallization. In this project, membrane distillation technology is selected to concentrate brine to a higher concentration at one time, reducing intermediate process units and improving the stability of the whole system.




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Mobile: +86 138 1108 7068

Email:contact@csretech.com.cn

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