[Stoves] Article on pesticide removal using a charcoal making gasifier by Josh Kearns

[Crispin Pemberton-Pigott]

Dear Friends

 

Nice article with useful links at:

 

https://www.engineeringforchange.org/news/2012/12/13/an_ancient_filtration_m
aterial_removes_pesticides_from_drinking_water.html

 

Regards

Crispin

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