Pyrolysis of biomass is a thermochemical treatment at temperatures 450-600℃ in the absence of oxygen. The results are carbon and ash, commonly called biochar, a syngas containing CO, H2 and CH4 and tarry liquids referred to as bio-oil. All organic materials can be used, forest residuals like wood and bark, agro residuals such as straw, husks, shells and even slurries and sludges such as manure and all other organic sludges. The yield of carbon, gas and bio-oil varies depending on feed stock.

 
 
 
 

Forest residuals

 

Wood in all shapes and form, bark and branches can successfully be turned into value using our pyrolysis process. Calculate 250-300 kg of high carbon content biochar and around 3 MW worth of energy in the syngas and bio-oil per ton dry wood residuals. Our gravimetric COBIS-reactor is the perfect match for this type of feed stock. Low energy consumption and a syngas virtually free from tar makes if the perfect choice for a combination of production of biochar and power and heat or cooling.

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Agro residuals

 

Anything that can be shredded to small particulate size suits our directly heated screw reactor. Sawdust or agro residuals such as bagasse, stalks or straw will produce a biochar suitable for a wide variety of usage, a bio-oil to be utilized as an energy source and partially used to dry the biomass and partially for other heat or cooling use and a high LHV syngas for power production. Biomass from agro residuals often comes with a high ash content and low ash melting point and the low pyrolysis temperature eliminate the risk of slagging ash.

 
 

Slurry and sludge

 

Manure is a huge problem due to the release of high methane emissions. This problem becomes an advantage in the process we are developing. The solid fraction is separated from the liquid phase through a screw press and pyrolyzed creating a biochar with high phosphorous and nitrogen content thus superior as soil enhancement with a built-in natural fertilizer. The liquid fraction is sent our unique High Pressure Anaerobic Digester producing bio-methane with more than 90% methane content. 

It’s all about making value of a problem….