Thankyou Tom. Time to update the glycerine "disposal" section at Journey to Forever.
All best Keith >Hello All, > I use KOH as my caustic. I add a small amount of phosphoric >acid (~1ml per L of WVO that was reacted) in my first wash. > Last year I experimented composting glycerin. Some of my >compost piles got glycerine split from the cocktail while others got >unsplit glycerin. For both I diluted the glycerine with well water. >I sprinkled a roughly 50% glycerin : 50% water mix on the leaf layer >of compost piles as I built them (layers of rotted manure, grass >clippings, and dry leaves + a bit of agricultural limestone). I >repeated the sprinkling when it came time to turn them. > The split glycerine may have had an edge in temp and quickness >to warm, but both produced temps 10 -15 degrees F hotter than >similar piles in which I only sprinkled water. > This year I have added water from the 1st and 2nd washes to >unsplit glycerine instead of diluting it with well water. I used a >pump to spray the mix onto the leaf layer. Results: > 24 hrs: had heated up > 48 hrs: too hot to keep my hand in > 72 hrs: temps of 68C and 69C and 70C (deep within the pile) ~155 -160F > It is my impression that diluted glycerine (split or unsplit) >not only composts well, but actually accelerates the process by >enhancing microbial metabolism and probably population growth. > Tom > >P.S. Last year I made more compost than ever before. My garden was >the best ever ..... virtually problem free. _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
