Biogas Plants - Biodigesters | Zureli

Biogas Plants - Biodigesters

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Biogas Plants - Biodigesters

The bio-digesters are «biological engines» allowing the transformation of organic matter (liquid or dry) into biogas and stabilised organic fertiliser.

 

Biogas plants are facilities with three purposes:

  1. Treat the organic matter (liquid or solid) by biological process.
  2. Generate a renewable natural gas for energy usage.
  3. Stabilize the organic material for better use as fertilizer.

 

Bio-digesters convert organic matter carbon in methane (CH4) and carbon dioxide (CO2). The nutrients in organic matter (N, P, K) are not removed and are the by-products (sludge, treated effluent). These by-products become excellent organic fertiliser.

 

Main models developed by BIOTEC:

  • UASB = Upflow Anaerobic Sludge Blanket (-UASB = Upflow Anaerobic Sludge Blanket (model conceived by Professor Lettinga, Wageningen Univ.). It is a compact biodigester model conceived to treat diluted waters.)
  • RAC ® = Contact Anaerobic Reactor (RAC ® = Contact Anaerobic Reactor for high organic load effluent, more than 30,000 ppm of COD, like vinasses or effluents from palm oil mills)
  • RAFAC ® = Contact Upward Flow Anaerobic Reactor (×
    RAFAC ® = Contact Upflow Anaerobic Reactor for the same type of effluent as UASB, up to 30,000 ppm of COD, usually in rural or semi-rural areas where there is more space available. It treats a higher proportion of suspended solids than the UASB. It can be deployed as a tank or lagoon based reactor. Appropriate for effluents from citrus, starch (corn, cassava) or rubber plants, among others.)
  • Bioseco (×
    BIOSECO®  = Reactor for dry biomass (manure, plant residues or fodder), where organic matter is transformed from solid to liquid in the biodigester.)

Implementation average per year:

  • 100.000 m3 of biodigesters
  • 15´000.000 m3 of methane (CH4)
  • 10 MW

  • Type:Exterior
  • Region: Asia , Europe , South America
  • Country: Belgium , Malaysia , Colombia
Bio-digesters convert organic matter carbon in methane (CH4) and carbon dioxide (CO2). The nutrients in organic matter (N, P, K) are not removed and are the by-products (sludge, treated effluent). These by-products become excellent organic fertiliser.
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