[Gasification] Biochar - Carbon Negative?

Anand Karve adkarve at gmail.com
Tue Apr 19 23:10:28 MDT 2016

Dear Mark,
with our system of charring, we get char yield of about 30% of the original
biomass. See our web site www.samuchit.com for a video of the process. But
what you say is basically correct. The sequestering of char is a carbon
negative process.

Dr. A.D. Karve

Chairman, Samuchit Enviro Tech Pvt Ltd (www.samuchit.com)

Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)

On Wed, Apr 20, 2016 at 2:29 AM, Mark Bell <markbell555 at gmail.com> wrote:

> After gasification, approximately 5% of the woody biomass remains a
> biochar which sequesters carbon, hence a 'carbon negative' claim can be
> made. Alternatively, if the woody waste is left to rot in situ, the carbon
> sequestration is 0% (all carbon is released/transformed into CO2 and other
> gasses).
> True?
> Mark Bell
> Director, Petawawa Renewable Power Corporation, GP
> PO Box 15
> Orangeville, Ontario
> L9W 2Z5
> Tel:  416 209 7351
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