Dear AD
Very interesting!!
Is the charcoal that is activated by CaCl2 "good for everything that activated
charcoal is good for", or is it perhaps equally good for some tasks, but not
necessarily as good for all?
What applications have you used the CaCl2 activated charcoal in?
What % by weight CaCl2, would you use?
Thanks!
Kevin
----- Original Message -----
From: Anand Karve
To: Discussion of biomass pyrolysis and gasification
Sent: Sunday, February 19, 2012 10:21 PM
Subject: Re: [Gasification] Active charcoal
Dear Darius,
Normally one needs relatively high temperature to make active charcoal, but
the pretreatment with calcium chloride allows us to make active charcoal even
at relatively low temperatures. We make charcoal from light biomass like
agricultural waste and use a TLUD type kiln. You would have to conduct
experiments using your biomass and your process of charring to see if this
pretreatment works in your case or not.
Yours
A.D.Karve
On Sat, Feb 18, 2012 at 11:01 PM, Darius <[email protected]> wrote:
Dear Dr. A.D. Karve
Charring material are rubber wood.
Could you tell me the detail process?
Regards,
Darius
On 2/18/2012 9:56 PM, Anand Karve wrote:
Dear Darius,
what material are you charring? We make our charcoal from leaves of
sugarcane, which are discarded during the process of sugarcane harvest. By
soaking the leaves in 5% solution of calcium chloride, dying them and then
converting them into char in a TLUD kiln gives us active charcoal. We have not
tested this process in the case of woody material. Perhaps you can do this
experiment.
Yours
A.D.Karve
On Sat, Feb 18, 2012 at 10:14 PM, Darius <[email protected]>
wrote:
Dear all,
Is somebody there can help me to convert our char into active charcoal?
Regards,
Darius
Dr. A.D. Karve
Trustee & Founder President, Appropriate Rural Technology Institute
(ARTI)
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Dr. A.D. Karve
Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
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