Alternative Catalysts and catalyst-free bio
 

I thought these made seme pretty interesting reading, we kinda got on this track in Fabman's thread. I gotta figure out how to invest in some of this stuff.
-matt

http://watthead.blogspot.com/2005/11...t-organic.html

(WARNING - you need Adobe reader)
http://www.biodieselgear.com/documen...cal_Method.pdf

Hey woogs I didnt read those articles but I know of a powder seperator on ebay that is supposed to remove the particles faster than washing or using water. Try keyword search on ebay for bio. But its expensive