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waste water solution

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http://biodiesel.infopop.cc/eve/forums/a/tpc/f/8361026472/m/3127096873

April 05, 2014, 04:39 AM
greenface
waste water solution
what can the waste water (from water wash) be used for ? can i use it to make soap or anything ?
April 06, 2014, 08:55 AM
andyman
waste water is the biggest issue with water washing imo. you could collect it, add acid and recover the ffa/methyl esters. if using koh, the water can then be used as fertilizer for your lawn. i guess most city folk pour it in the sewer.
December 03, 2014, 11:49 AM
hutch56
Should I be concerned about pouring KOH based wash water on the ground?
I have been doing this long enough that I could look into dry washing
December 19, 2014, 12:16 PM
hutch56
Found some useful info:

http://www.make-biodiesel.org/...-water-disposal.html