>Keith, Todd, > >My statement about the hard white crystals was not to >be taken seriously! It was just a gentle way of asking >Paddy what the hell he thought he had in the those >three quite non-mysterious layers. Diamonds ?????? > >Michael
Hi Michael I knew you were talking about diamonds, wasn't quite sure why though. Yes, a mystery about a non-mystery. Well, we've all asked him now, let's see what he says. Best Keith > >--- Appal Energy <[EMAIL PROTECTED]> wrote: > > Michael, > > > > Beat's the bejeebers out of anyone here as to what a > > crystalline > > structure capable of scratching glass would be at > > the bottom of a > > wash tank. You don't have any dishonest cousins in > > the diamond > > business do you? > > > > We've used wash waters that swing 1.0 + or - either > > way of > > neutral, inclusive of shallow well water, creek > > water, brackish > > water (sulfonated) city water and distilled, and > > such has never > > happened here. > > > > And were it a waxy crystalline structure, there > > would be no > > scratch potential. Mineral deposits could leave the > > appearance or > > feel of scratched glass, but > > can easily be removed using a mild HCl acid > > solution. > > > > Todd Swearingen > > > > ----- Original Message ----- > > From: Michael Allen <[EMAIL PROTECTED]> > > To: <biofuels-biz@yahoogroups.com> > > Sent: Tuesday, September 03, 2002 5:24 AM > > Subject: Re: [biofuels-biz] some clarification? > > > > > > > Dear Paddy, > > > > > > >"It's great to get some input from a knowledgable > > > > person such as Michael Allen" > > > > > > Thanks for the ego massage Paddy but it's even > > greater > > > to have some input from someone with the knowledge > > AND > > > EXPERIENCE that Todd has! I think that this > > > demonstrates the real value of the biofuels-biz > > group. > > > > > > And thanks Todd . . . . . Now about these very > > hard > > > whitish crystals I get at the bottom of the > > wash-tank > > > sometimes . . . . they seem to scratch even glass > > . . > > > . . . could they be . . . . ???? :-) > > > > > > > > > --- Appal Energy <[EMAIL PROTECTED]> wrote: > > > > Dear Mr. or Ms. Goat, > > > > > > > > The contents of the middle layer to which you > > refer > > > > are largely > > > > dependant upon the degree of reaction > > completion, > > > > the reaction > > > > type (acid/base or base) and the processing > > steps > > > > used > > > > (principally in an acid/base). > > > > > > > > The belief that this layer is primarily soap is > > > > largely in error, > > > > as soap is soluble in water. However soap does > > > > emulsify oily > > > > substances. The white layer you refer to is > > largely > > > > an > > > > emulsification. The extent of the emulsification > > is > > > > greatly > > > > dependent upon how well the initial reaction was > > > > conducted. > > > > Incomplete reactions when blended in 50/50 > > ratios > > > > with water in > > > > 55 gallon lots can result in literally as much > > as > > > > several feet in > > > > depth of emulsification. A complete reaction > > should > > > > yield no more > > > > than a fraction of an inch of an emulsion layer. > > > > > > > > The three layers yielded from a catalyst > > recovery > > > > attempt are > > > > from bottom to top: A) neutralized catalyst in > > > > precipitate form. > > > > B) crude glycerin (but not quite so crude as > > > > previously) > > > > consisting of glycerin, water, discolorants and > > > > perhaps excess > > > > acid. C) recovered free fatty acids (soaps that > > have > > > > been broken > > > > down by the acid to FFAs) with perhaps a > > fraction of > > > > soluble > > > > alkyl esters. > > > > > > > > The small alkyl ester fraction will be largely > > > > dependant upon > > > > your previous separation technique (how much > > > > biodiesel is > > > > imported into the FFA recovery process) and to > > what > > > > degree the > > > > FFA recovery process is acidified. > > > > > > > > As the ester fraction should be small to > > > > "non-existant," it is > > > > almost of no consequence to know that alkyl > > esters > > > > in either an > > > > acid or base environement are continually > > reverting > > > > between FFA > > > > and ester throughout an equilibrium reaction. > > > > Chances are that a > > > > FFA recovery step will be acidified in slight > > excess > > > > and all or > > > > almost all esters that existed at the beginning > > of > > > > the process > > > > will be non-existant by its end, having reverted > > to > > > > FFAs. > > > > > > > > Todd Swearingen > > > > > > > > ----- Original Message ----- > > > > From: goat industries > > > > <[EMAIL PROTECTED]> > > > > To: <biofuels-biz@yahoogroups.com> > > > > Sent: Monday, September 02, 2002 2:40 PM > > > > Subject: [biofuels-biz] some clarification? > > > > > > > > > > > > > It's great to get some input from a > > knowledgable > > > > person such as > > > > Michael > > > > > Allen - Michael, could you do us a favour and > > tell > > > > us: > > > > > a) what is the major component of the 'creamy' > > > > middle layer in > > > > the post wash > > > > > methyl ester/water mixture that is commonly > > called > > > > soap? > > > > > b) what are the three layers that are formed > > when > > > > crude, black, > > > > glycerine is > > > > > neutralised with acid? > > > > > Your help would be greatly appreciated! ------------------------ Yahoo! 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