On Tue, 20 May 2003 11:44 pm, Appal Energy wrote:
The only place that we've ever achieved a white precipitate is in the wash
cycle. This has (or had) been tentatively calculated to be a metal stearate
(potassium or sodium) due to it's appearance after the introduction of the
caustic(s) and
Hi Paul
No, the precipitate also forms in the bio-diesel.
Once my camera is charged I'll send over a photo
of what I have here.
Mark
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- Original Message -
From: paul van den bergen [EMAIL PROTECTED]
To: biofuel@yahoogroups.com
Sent: Tuesday, May 20, 2003 7:14 PM
Subject: Re: [biofuel] acid esterification Re: FFA
On Tue, 20 May 2003 11:44 pm, Appal Energy wrote:
The only place that we've ever achieved a white precipitate
OK, different Mark chiming in, my turn:
I've been wondering about this white precipitate too. I haven't seen too much
'first stage glycerine' in general because I dont' usually make test batches
(but
Todd can you PLEASE re-post your test batch method for acid-base like you
just did on
Dear Mark
Thanks for the response. I have found a grim
supply of free oil from a University campus
kitchen.
It takes 6.8cc of 0.025M NaOH solution to turn to
pH 8.5 via Phenolthalein titration. This I have
no problem with. So, I mix 200cc anhydrous
methanol and 10.3g of analytical grade NaOH
for the post below. A good bit of material for everyone to chew on
for a while.
Todd Swearingen
- Original Message -
From: girl_mark_fire [EMAIL PROTECTED]
To: biofuel@yahoogroups.com
Sent: Tuesday, May 20, 2003 1:17 AM
Subject: [biofuel] acid esterification Re: FFA
OK, different Mark
