Environmental Sanitation Engineering ›› 2024, Vol. 32 ›› Issue (3): 90-93.doi: 10.19841/j.cnki.hjwsgc.2024.03.014

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Study on Seasonal Variation Characteristics of Leachate in Hangzhou Domestic Waste Incineration Plant

DENG Feifei, ZHANG Dongpeng, ZHENG Rendong, ZHOU Weinan, WU Didi, LYU Yuanyuan   

  1. Hangzhou Linjiang Environmental Energy Co. Ltd.
  • Online:2024-07-02 Published:2024-07-02

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Abstract: The leachate treatment station of a large domestic waste incineration plant in Hangzhou was taken as an example. By monitoring the annual variation of leachate index of waste incineration plant, the seasonal variation characteristics of leachate was studied. In order to improve the treatment efficiency of leachate, the variation of pH, COD, ammonia nitrogen and biogas production of leachate were analyzed and discussed. The results showed that the pH, COD and ammonia nitrogen of the leachate of the waste incineration plant were greatly affected by the seasons, showed obvious seasonal differences. The monthly output of leachate of the incineration plant ranges from 26 000 to 39 219 tons, and the biogas produced by a ton of leachate ranged from 19.0 to 31.8 m3.

Key words: waste incineration plant, leachate, ammonia nitrogen, biogas production, seasonal variation

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