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Processes. what you can achieve with Biogreen

Drying

Before to be treated, the biomasse must be dryed. This step reduce wet and allows to heat it more easily. This is an additional part of the Biogreen® process which can be connected with all kind of dryer systems. ETIA can also offer a whole process including a dryer.

Thermochemical conversion

The thermochemical transformation changes the product’s structure by applying heat in a controlled atmosphere. Depending on the operating parameters, the thermochemical treatment of the ligneous cellulosic biomass will produce bio-char, bio-oil, chemical ingredients, soil fertilizer, and etc. With Biogreen®, ETIA offers a multipurpose and efficient range of solutions designed for the energy and agrochemical conversion of the biomass.

Torrefaction

Biogreen can be used for biomass torrefaction. Torrefaction is one of the possibilities to create denser energy. Treatment is achieved within a few minutes in a temperature range between 200°C to 300°C in an anaerobic environment. Biomass will lose weight (around 30%), and become crumbly. This prepares it to be crushed or gasified. Torrefaction also produces a homogeneous product, which can be easily compacted to produce TOP (torrefied wood pellet).

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Torréfaction de biomasse (Version française)

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Pyrolysis

Pyrolysis operates between 400°C and 900°C. The oil can be used as fuel, carbon black, or a soil enhancer . The oil can be used as fuel for renewable chemical industries. It can also be refined. Gas can be used as fuel for burner or gas engines or turbines. High temperature pyrolysis also produces high quantity of high calorific value with CH4 concentration up to 50% depending on feedstock quality.

Gasification

Biogreen® allows gasification (with small amount of air injection) or high temperature pyrolysis (800°C to 900°C). Calorific value of the gas can be in the range between 10 to 30 MJ/m3. After a gas clean up process, gas can be used as fuel for electricity production or syngas production.

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Gasification process (English version)

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Gazéification (Version française)

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