Not when I was a youngster (I used to haunt gasworks as a 'young
scientist' - every large town in E Australia had one). - Strictly
'destructive distillation' of coal - with just enough air to keep the
process going ... no steam that I was aware of.. (producer gas) - lots
of phenols and other aromatics - and it was all passed through iron
oxide to remove sulphur. Remains were coke - (clinker) which still had
a lot of carbon - used for heating fuel and for industry - steel making
(hence coking ovens for steelworks - most of the gas from those I think
was wasted).
Hugh (the smell lingers..)
On 30/05/15 7:23 PM, Anand Karve wrote:
Dear Hugh,
I thought that coal gas was produced by introducing steam into burning
coal, which produces a mixture of CO and H2. This type of combustible
gas can be produced even from charcoal. It is quite clean and
absolutely without any tar, I was under the impression that the gas
that Mr. Jain refered to was of this type. If that is not the case,
then it is obvious that charcoal cannot be used in his gasifier.
Yours
A.D.Karve
On 5/30/15, hugh<[email protected]> wrote:
Problem is
Gassifying coal, produces coke - carbon + mineral content - it is not
the same as charcoal - especially from a soil perspective. In fact it
can be quite toxic. (As a young boy - if we couldn't get galena (PbS)
crystals (to function as rectifying diodes in crystal sets) we used coke
(which was everywhere in the 50's) - which worked quite well - go
figger....
Hugh
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