METHOD FOR PRODUCING METHANE BY ANAEROBIC FERMENTATION FROM DRY BIOMASS

Invention relates to plant for production of biogas. It enables the use of biomass with relatively high dry matter content (>30%). Increased methane production is achieved by optimization of process of anaerobic fermentation and better micro-environmental conditions. This is achieved by blending...

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Bibliographische Detailangaben
Hauptverfasser: KOTE E ECS VLADIMIRS, ZABAROVSKIS EDUARDS, DUBROVSKIS VILIS
Format: Patent
Sprache:eng ; lav
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Zusammenfassung:Invention relates to plant for production of biogas. It enables the use of biomass with relatively high dry matter content (>30%). Increased methane production is achieved by optimization of process of anaerobic fermentation and better micro-environmental conditions. This is achieved by blending fresh biomass with digestate in given ratio, heating and recirculation of leachate and specific biogas extraction from key reaction zone. Izgudrojums attiecas uz biogāzes ražošanas iekārtām. Iekārtā var izmantot biomasu ar augstu sausnas saturu (>30%). Metāna ieguve tiek nodrošināta ar anaerobās fermentācijas procesa optimizāciju un mikroorganismiem labvēlīgas vides radīšanu. To panāk ar svaigas biomasas un digestāta samaisīšanu noteiktās attiecībās, infiltrāta uzsildīšanu un recirkulāciju, kā arī īpašu biogāzes izvadīšanu no galveno reakciju zonas.