Compressed Biogas

Main Components

Feedstock Pre-treatment

Anaerobic
Digestion

Biogas
Upgradation

Digestate
Management




A typical Biogas/Bio-CNG production plant

  • Step 1: Feedstock Pre-treatment
    Mechanical or Chemical or Hydrothermal Pre-treatment based on feedstock and associated impurities
  • Step 2: Anaerobic Digestion
    Unique design technology for mixing (Turbo Liquid Gas Mix System) Medium to higher organic load effluents. Operates on either Mesophilic or Thermophilic process
  • Step 3: Biogas Upgradation & Purification
    CO2 removal either by Dry or Wet scrubbing based on H2S content in Biogas H2S removal either by Pressure Swing Adsorption (PSA), Membrane or Amine Solution based Purified Biogas is compressed up to 250 bar pressure and stored in cascade cylinders for transferring to fuel station
  • Step 4: Digestate Management
    Digested substrate slurry from digester will pass through Solid Liquid Separator (Screw Press or Decanter) system to form High Quality Solid Organic Manure compiling with FCO (Fertilizer Control Order) standards for Organic Manure.




BIO-CNG POTENTIAL PER TON OF WASTE AND ITS APPLICATION

Bio-CNG potential per ton of waste:


Sources of Waste Raw Biogas (m続/Ton of Waste) Bio-CNG (Kg/Ton of Waste) Solid Fertilizer (Kg/Ton of Waste)
POME (Palm Oil Mill Effluent) 40 15 29
Cow Dung 45 16 134
Poultry Litter 85 33 237
Napier Grass 120 44 155
Organic MSW 120 48 126
Paddy Straw 300 109 520
Spentwash 40 16 29
Press Mud 120 46 190
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