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Horizontal Bed Kiln

A simple, reliable, energy-efficient device for the production of biochar and other biomass in soil

August 2019
Gallery Horizontal Bed Kiln 1
Gallery Horizontal Bed Kiln 1


The pyrolysis kiln by CarbonZero decomposes carbon to various forms of biochar, humic and fulvic acid with an efficient, affordable and reliable technology.

The solution is designed to extract as much value as possible from biomass waste streams in a simple, reliable way, to enable carbon recycling. The device generates value by (a) producing biochar or torrefied biomass from nearly any feedstock, (b) condensing wood vinegar from the gas stream, (c) cracking and filtering the raw syngas remaining after condensation to produce clean syngas, (d) optionally burning the syngas in a genset to produce electricity, and (e) pre-processing biomass to be converted to humic and fulvic acid in a secondary process.

Label Date August 15, 2019
From Switzerland
Maturity stage Prototype testing in the real world
Looking For Commercial, regulatory, and financial stakeholders

The environmental benefits

  • Decomposes biomass to biochar, wood vinegar, and energy.
  • Uses the minimum amount of thermal and mechanical energy necessary.

The Financial benefits

  • Has a higher daily capacity of about 4 times more at the same cost of the reference.

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile


We develop and promote innovative solutions and technologies to recycle carbon from the atmosphere, where we have an excess, to agricultural soils, where we have too little.

View company profile
Headquarters 6999 Astano, Switzerland

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator CarbonZero has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.