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Development and Licensing of Biomass & Charcoal Gasifiers for CHP Powergeneration

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Frequently asked questions



Wood gasification technology


With the technology of wood gasification it is a process with the goal from solid biomass, usually in
the form of wood chips, simultaneously electricity and heat gain.

In contrast to the region is the wood combustion for the purpose of heat production.
This includes both so-called single fireplaces as wood burning stoves and pellet stoves and central heating systems, such as firewood, pellet and wood chips boilers.

The essential difference from the wood gasification is that the plants in the wood combustion produces no useful in an engine gas.

Miss course, insofar as his descriptions of woodchip "Vorofenfeuerungen", where in a first unit fuel gases are produced which completely in a second unit and there are post-combusted heat via heat exchangers to a water circuit


Even more misleading is the term "wood gasification" for a modern firewood boiler, in the two areas for the development of combustion gases and their afterburning are present, which, however, are housed in one unit.


For both concepts, "Vorofenvergaser" and "wood gasification" is that a separation of the fuel gases for later use in a gas engine is not possible.

Rather, burned these fuel gases in direct temporal connection to the entire heat through a heat exchanger to deliver.

The burning of wood can be divided into three phases:


During the drying process (up to 150 ° C) is the in the wood evaporates water contained,

during pyrolysis (150 to 600 ° C) will approximately 85% of the wood mass in the gaseous phase and in the stage of oxidation (400 to 1300 ° C), the combustible constituents the wood with oxygen fully implemented.

On the other hand initially is in wood gasification plants in the actual gasification plant produces a product gas. As a rule, this wood gas is in a second step cleaned and cooled.


Finally, from the gas in a cogeneration plant (CHP) generates electricity and heat. . 


15 kW_e Woodgas Generator CHP

Making baseload heat and power

To use grid tie or offgrid 15.000 Watt_electrical power

Heat production 30.000 Watts_thermal power

Biomassconsumption  100...120 tons / year @  8.000 hours/year

Works without any grid, offgrid usage any time 24/7



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