[Gasification] Coconut Charcoal

Peter Davies idgasifier at gmail.com
Sun Oct 4 16:25:53 CDT 2015

Hi Angie,

 From my notes you will have around 50 tonnes of shell. Probably the 
quickest and easiest would be to build a deep cone Kon Tiki kiln 
http://www.ithaka-institut.org/en/ct/101 where there is a link to a 
presentation on the technology.

Below is an image of coconut char produced from one of our small round 
hearth downdraft gasifiers optimised for both char and clean gas. This 
is a from a pilot unit in the Pacific Islands undergoing trials. The 
image is taken from the front with the char bin door removed, the top 
(narrowest point) of the char column is the entry below the gasifier.

The unit gives around a 15% recovery on a dry basis, fixed carbon is 
 >85%. The coconut shell is crushed to average piece sizes of 30mm 
before feeding to the gasifier.

All the best with your project.


> On 10/3/2015 9:33 PM, acdewi at gmail.com wrote:
>> Hello all - Cheers from Bali!
>> I am part of a team developing various coconut products ranging from 
>> virgin coconut oil, palm sugar, coconut flour, etc.etc.
>> We will be processing around 1 million coconuts this year and want to 
>> effectively, efficiently, and affordably utilize the coconut shell as 
>> a value add product.
>> Anyone have experience with making coconut charcoal? Or a step 
>> further, making activated carbon with coconut shells?
>> In the future (year 2) we will be incorporating biomass gasification 
>> using coconut shells, but for the upcoming year we are looking for 
>> solutions to our coconut shell surplus.
>> Thanks in advance,
>> -Angie

Peter Davies
Managing Director
ID Gasifiers Pty Ltd
Delegate River, Victoria
Ph: 0402 845 295

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