Compost plant Cobb, Georgia

Annual Throughput: 100.000 t/a

 

Wastes treated:

  • Municipal solid waste (MSW), 300 t/day
  • Sewage sludge, 100 t/day wet

 

Start-up of operation: 1997

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Overall view

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Turner in aeration hall

 

Process:

  • MSW pretreatment: Manual sorting for rejects like hoses, wire etc.
  • Ferrous separation
  • three days retention time in five digestors
  • Screening at 35 mm, overs are rejects (appr. 35 %)
  • Composting in three aeration bays 20 x 120 m, 4 weeks retention time
  • Compost refing unit
  • waste air treatment by biofilter

 

 

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