Steady-state design of vertical wells for liquids addition at bioreactor landfills.

作者: Pradeep Jain , Timothy G. Townsend , Thabet M. Tolaymat

DOI: 10.1016/J.WASMAN.2010.02.020

关键词: Dimensionless quantityRange (statistics)Hydraulic conductivityWork (thermodynamics)Environmental engineeringEngineeringMechanicsVolumetric flow rateFunction (mathematics)Volume (thermodynamics)Steady state

摘要: The rate at which liquids can be added to a vertical well, the lateral zone of impact and volume needed wet waste within well are key inputs design system. This paper presents charts that used estimate these as function municipal solid properties (porosity, hydraulic conductivity, anisotropy ratio), dimensions (radius screen length), injection pressure. SEEP/W modeling was conducted for range conditions practically encountered installed in landfilled waste. flow rate, added, pressure were normalized with formulate dimensionless variables. A series created present steady-state impact, liquid reach condition, input By using variables formulated this work, permit user described above wide configurations beyond those simulated without need further modeling. results study suggest extent estimated Darcy's equation assuming saturated unit-gradient regime below bottom. An example problem is presented illustrate use charts. scenario also modeled SEEP/W, compared obtained from demonstrate validity scenarios other than development methodology should thought means provide set bounds an engineer along their judgment system specific site.

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