[Gasification] mycoremediation of tarry water

Mark Ludlow mark at ludlow.com
Sat Feb 2 23:43:53 CST 2013


I am still wanting to know how folks are dealing with the
existing fleet of scrubbers that must be out there?

 

From: Gasification
[mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of Tom Miles
Sent: Saturday, February 2, 2013 10:34 PM
To: 'stuart mather'; 'Discussion of biomass pyrolysis and
gasification'; 'Kevin C'
Subject: Re: [Gasification] mycoremediation of tarry water

 

While we develop gasification and pyrolysis for their
benefits we need to manage the byproducts so they don't
endanger health.  

 

I posted the Myanmar story on this list about a year ago. I
do not know if anything has been done about it.

 

It should be easy to accept the fact that tar in water can
be toxic. Run your dirty gasifier, clean the gas with water,
and have the water analyzed. You will ring all the bells for
toxicity (mostly from benzene and cresols). Picture that
water going into ponds and waterways where people bath and
wash their clothes. Why should anyone be surprised that
people can get sick? Not everyone is like the man I met in
Siberia, where the life expectancy is about 59,  who
attributed his old age and good health to taking a spoonful
every day of pyrolysis oil from pine needles. 

 

This is nothing new. Some years ago the first job of a young
bioenergy specialist in Alaska was to clean up the site of
an experimental wood gasifier that was intended for use in
native villages. The classic Imbert style gasifier had been
developed and tested with federal money for remote power
generation. The site was so toxic that it had been
designated a "superfund" site by the Environmental
Protection Agency. That killed interest in gasification in
the state for many years. 

 

The Gasification Guide project in Europe didn't seem to
address liquid effluents. Studies of liquid effluents from
gas scrubbing have been done under the IEA Task 33 biomass
gasification. 

http://www.gasification-guide.eu/gsg_uploads/documenten/D10_
Final-Guideline.pdf

 

 

Tom     

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