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WANG Mingchao, XIA Fafa, ZHANG Jie, ZHAO Youcai. Rapid drainage technology for domestic waste body in landfill[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5175-5181. doi: 10.12030/j.cjee.201610052
Citation: WANG Mingchao, XIA Fafa, ZHANG Jie, ZHAO Youcai. Rapid drainage technology for domestic waste body in landfill[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5175-5181. doi: 10.12030/j.cjee.201610052
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Rapid drainage technology for domestic waste body in landfill

  • 1.

    State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China

  • 2.

    China Urban Construction & Design Institute Co. Ltd., Beijing 100120, China

  • Received Date: 03/01/2017
    Accepted Date: 11/10/2016
    Available Online: 26/08/2017
    Fund Project:
  • Domestic waste is of high moisture content, producing large amounts of water in biodegradation process, which results in high water level in waste body and a serious threat to the safe operation of landfill. On the basis of laboratory simulation, different working modes (water-drive-water, gas-drive-water, water-drive-gas, gas-drive-gas), and operation conditions of Venturi vacuum drainage were investigated. The modified Venturi circulation sewage power drainage method is of high drainage velocity, and can reduce the water level rapidly in 110 s. Combining with shaft drainage technique, the optimized Venturi vacuum drainage was applied for practical waste body with the effective radius of 15 m, and central water level decreased by 1.5 m. It proved a fast, efficient and practical drainage technology for the safe operation of the landfill with high water level.
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Rapid drainage technology for domestic waste body in landfill

  • Received Date: 03/01/2017
  • Accepted Date: 11/10/2016
  • Available Online: 26/08/2017
Fund Project:

Abstract: Domestic waste is of high moisture content, producing large amounts of water in biodegradation process, which results in high water level in waste body and a serious threat to the safe operation of landfill. On the basis of laboratory simulation, different working modes (water-drive-water, gas-drive-water, water-drive-gas, gas-drive-gas), and operation conditions of Venturi vacuum drainage were investigated. The modified Venturi circulation sewage power drainage method is of high drainage velocity, and can reduce the water level rapidly in 110 s. Combining with shaft drainage technique, the optimized Venturi vacuum drainage was applied for practical waste body with the effective radius of 15 m, and central water level decreased by 1.5 m. It proved a fast, efficient and practical drainage technology for the safe operation of the landfill with high water level.

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