i had about 11 gallons of residual wvo in barrrels so i poured it out on the warm day and put into my alky mix tank-120gal-
and attached heater. i had about 40 gal of glycerol left over from previous batches that was about 40% alky and some diesel too.
i have observed some talking about recycling glycerin so i thout i would try it.
i added 10 gallon of agitated glycerol, started miixing and heating to 140f. i noticed good mix and upon stopping after 1/2hr mix i noticed no oil layer forming, so i fired it back up.
i added 300 gms of koh and about 2 gallons of alkyl. ran it up to 140 again and mixed for an hour. i let sit for two hrs and got 11 gallons of ester.
so, yes, it is a cost effective thing to do at least with koh. i cant leave well enough alone and just added 200 more gms and 1 l of alky. i want to see the change in yeild and will test water mist wash of two gallons for ph.
i will post the ph results on one two ands three washes. tomorrow.
i will also use a little muriatic acid after third wash if necc.
i should have taken a sample of that first ester and washed and ph tested-i use strips on the water and do not mess with titration. never fails.
(tke small amount of oil and add equal amount of boiling water, shake and settle. ph the water. no, u cant measure by standard means but it is consistent)

skip.....(mentored by lord tilly div.)

oops, i added about 14 gal of glycerol-----

8 hrs later...
there is 25 gal total in tank and a very clean layer all the way to 15 gallon line.
it appears i gained a little, but must take into account the free diesel that was in
the glycerol. truth will show when i remove the alky from glycerine and do a ph on water washes.
mix consisted of 11gal wvo
total of 500gms of koh, about 12.2 gms liter (high?)
added total of 8 liters aky
unknown alky amount in glycerol, but it should have been 30-40%

my goal was max amount of ester, and quick separation. second mix cycle was done at 120 f.

stay tuned for ph....

well, did a water wash and test my well water is 6.5???
my wash water was 7? mmmmmm so, i took a liter of oil off the bottom and mixed with a liter of water in the dp bottle and shook. got quick separationin a few min at room temp and water tested at 7
noway i get that lucky. i added 2cc of old battery acid and shook and got hardly any separation? for the hell of it i put 2gms of koh in and mixed and got perfect milk........
mmmmmmmmm guess i soaped it to death.
one thing i noticed on the batch which settled for 12 hrs is most of the glycerine bottom two thirds, had hardly any alky in it. then it got thin. it has never been that dramatic b4.
so i sprinkled the batch which had some cottage cheese already in the bottom on the first wash, there was a lot of emulsion.
i have added more water from the top to try and pull down that emulsion but since everything is 60f, it is slow goin.
ill let settle for twelv hrs and post result. oh, there is some wax floating on top!???

6 hrs later
water washes about 8. funny how it moves. i made the mistake of jetting the fluid back in as i was mixing with a pump. what was happening was i was emulsifying. so, i changed that and let sit a while but there was a lot of suspension and cottage cheese. i hit again with spray, but just made the cheese float, what i did then was kick on the bubbler for 10 mins and made a nice white soup. so i heated to 140f and let cool for about 3 hours.
good separation with about 3 gallons of water then 3 gallons of white sludge. net yeild was
11 gallon of bio. i guess i shouldnt complain. i did use less alky, and knowing that i should have stayed with the orig. amount of koh and mixed longer and hotter.
on the washes, i was never really above 8, and would drop maybe 1/2 point with each changeout. i am also thinking that since i was not really exposing the surface to wind, it could not evap that little bit that makes it cloud.
me thinks too that in order to get an accurate ph using wash water, on must do it warm and mix for at least ten minutes. then let settle for an hour or whatever it takes to get full sep.
i would like to compare the results to titration-not som much looking for equal numbers, but comparing the changes of ph (water vs oil titration)with each water change once a chart is developed, then one could reference it for easy titration. ie ph# = amount of catalyst.
btw, this was some nasty oil, of which a lot was made from cancers and was kinda gloppy, even at 70f.
sorry for the ramble and lousy explaination.

Where do you get your fat, the Pathology Lab?? What is it that you call "Cancers?", I hope not removed groaths from people-- Thats just gross!, or do you get fat from rendering plants, I hear some guys do that!, Im not that brave!

H.C. Staying Vegetarian Div. SWC.

yep, i was installed in a rendering plant. brought my equipment home though. still got all the oil i could need.
the cancers come from dairy cattle mostly, some pork too. they die before 5 from cancer from all the hormones, etc...
then, the meat goes to hormel, mcdonalds, etc... and they cout out the cancers and send em to us. usually about 50-60 tons a day.
then it goes into the supercooker, pressed, centrifuged and hoppered. the dry protien powder currently is going to tyson chicken for feed. the oil goes to brokers and winds up in cosmetics, etc... and of course, since it taste good, it goes into commercial 'blend' which is what retraunts buy in 5 gallon plastic cans and a lot of it goes to fast food like mcdonalds which is why the food taste so good.
God bless america and support your local cancer society!(your doc needs new golf clubs)

as an aside, i accidently heated this oil to about 230 and it darkened and carmelized a bit. water washing is pulling out thick white goo like conditioner. is this mono and diglycerides?? if i methoxide it again, i get a glycerine that stays fluid. i am happy with it, but it is more viscous than it should be

skippy....in the avoid value added products and commercial foods division

ps....beware of zombie animals that come alive in rendering plants

Skippy, Its increadable that this sort of thing happens! What percentage do you think of the animals killed for human consumption do you think have some form of cancerous groath?, From what you suggest, the percentage must be quite high! which is frightning!

I take it, you are Vegetarian!, I am --well mostly!

i would say that feedlot animals all have some sort of growths.
i have a freind at a packing house who says so, and another that worked in wy at mc donalds packing house and said the same. he also said most people there raised their own beef at home.

all the social engineering babble that can go on here lends me to think that everyone at least once should go to a render plant and buy oil. it would surely chaznge your prospective.

r u listening hintertech?

skip.....dirt under fingernails/anti-dreadlock liberals division.