National First prize winner

STERCUS Solutions

Reverse photosynthesis reactor for heat, sterile compost and CO2 reduction


Biological substance seems like a wonder of nature – it is made of almost eternally long atom sequences, and the sequences are generally made of simple inorganic substances during the photosynthesis reaction, where carbon dioxide and water with a help of sun’s energy in plant cells are transformed into glucose and oxygen. Every tiniest sawdust, blade of grass and blossom is created in this “factory of life”. And every biomass particle after the end of life sooner or later decomposes again to these simple basic elements, releasing sun energy captured during the life, that held elements together. Burning is not the only method to release that captured energy. “CompHeat” proposes an industrial composting reactor to produce heat (~ 70 oC), weed and disease free compost and climate neutral CO2. The process parameters, such as temperature, oxygen and moisture, are automatically controlled.


Quick facts

  • 2016 Participant
    Year of participation
  • Sustainable Land Use, Sustainable Production Systems
  • Latvia

Yes, I want to know more about this start-up.


  • Laura Dzelzkaleja (Environmental Science engineer), Sandra Salmina (PR and Marketing), Alvis Sokolovs (Project manager and Electrical and Automation Engineer), Linards Grigans (Electrical and Automation Engineer)

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