My thinks the lye in the water as well as the methanol would not fair well on the paint :) Although if you have any defoliating of such things as Poison Ivy it works greeat for that.
L. --- In biofuel@yahoogroups.com, "Teoman Naskali" <[EMAIL PROTECTED]> wrote: > I live in a large building with a car park, the cars there are washed > almost every day, and the person washing then usually has a bucket full > of water & detergent. > > Could I use the wash water for washing cars? Or would there be any nasty > residue or other chemical that could stein or harm the car? > I'd first have to let it sit for a week or two to make sure that the > methanol evaporates from it. > > > Teoman > > -----Original Message----- > From: Kevin Shea [mailto:[EMAIL PROTECTED] > Sent: 06 September 2004 04:58 > To: biofuel@yahoogroups.com > Subject: Re: [biofuel] Circulation with pump washing. > > > Hi bioveging, > Todd spoke words of wisdom to me and helped me save about four days, so > I > went back and found the post. I had spent time and $$$ on the bubble > wash > method, but thought it to take too long for my liking. > > Since then, I drain my separation (after reaction ) to a secondary 55 > gal > white poly drum and where it settles for 18-24hrs. My secondary drum > has > two side bulkhead valves installed about 6"-10" apart from another , > with > 1/2 ballvalves. I'll simply drain the Glycerin-level just below the top > ballvalve, using the lower valve. Then drain the BD the top layer into > another secondary wash drum that has the same bulkhead setup. Yeah, I > could > have used the standpipe design, but decided on see-through poly. > > After following Todd's rules, I'll add 5-10 gal of water gently (I put > the > garden hose just below the BD, so not to create emulsion) and mix with > the > same mixer I used in my reactor tank for 3-5 min., wait 30min - 1 hour > for > settling and repeat twice, before draining the murky water and starting > the > process over until satisfied. > > So my original post had to do with saving time! However, I was > introduced to > a better way to wash BD without any pumps or bubble stones etc. Hope it > helps..No emulsion! > > ********************************************************************* *** > **** > ******************* > > > > Kevin, > > Yes. You can speed up the process considerably. It involves the > following: > . > 1) Throw out your mist washer. > 2) Box up your bubble washer. > 3) Make absolutely sure that you never try to wash an incomplete > reaction by > testing washing a 1 ounce sample in a sealed jar. > 4) Use a motor driven impeller to mix the water/fuel mixture to the > point of > appearing homogenous for ~5 minutes. > 5) Let settle 1 hour. > 6) Syphon off the top layer of fuel and repeat steps 5, 6 & 7 two more > cycles. > 7) Let the fuel air dry or heat to 120*F to dry. > 8) Combine all your wash waters and the 1"-2" of fuel that was left on > top > after each syphoning in a collection tank. > 9) Let settle 24 hours. > 10) Remove lower water layer to a wastewater treatment tank to recover > the > soaps. > 11) Return the accumulated fuel from the wash water residue to your > first > wash of your next batch. > > Depending upon the volume of oil in your batch, the hp/size of your > reactor > tank and wash tank motors/impellers, you could get your entire batch > process > time down to 24 hours. > > Most people avoid mechanical mixing of the fuel at the wash stages, > thinking > that it will create emulsion problems. And they're right if they try to > wash > "fuel" from incomplete reactions. > > That's the primary reason why they were "invented" and have achieved > such > wide acceptance - too many people aren't meticulous about making sure > that > their reactions are complete. > > Todd Swearingen > > ----- Original Message ----- > From: "Kevin Shea" <[EMAIL PROTECTED]> > To: <biofuel@yahoogroups.com> > Cc: <[EMAIL PROTECTED]> > Sent: Saturday, May 01, 2004 10:43 PM > Subject: [biofuel] Questions Speed-up washing biodiesel > > > > Hello, > > > > Is there a way to speed-up the water-biodiesel wash during the > "settling > of washing the fuel? I've read the bubble washing techniques & > understand > it, but for the best quality of biodiesel, it can take up-to-a- week, > with > several washes. One person mentioned a centrifuge, which I never used & > know > nothing about that equipment. I imagine it to be a very expensive > machine, > takes up a large amount of space, and may not be available to the > average > homebrewer. > > > > Could vibration assist in aiding water to help filter water to "shake" > past the biodiesel to the bottom water level in a shorter amount of > time? > > > > Has anyone tried to experiment using vibration? Also, -In order to > understand the process better, does anyone have a mpeg simulation > illustrating the (Molecular model) cleansing of biodiesel in the wash > stage > process or something similar? > > > > I am curious to see the what exactly is happening in the batch? While > I'm > at it, how about a simulation of the transesterification process in a > mpeg? > > > > Anyone? > > > > > > Thank you, > > Kevin Shea > > > > > > > ----- Original Message ----- > From: "bioveging" <[EMAIL PROTECTED]> > To: <biofuel@yahoogroups.com> > Sent: Sunday, September 05, 2004 4:35 PM > Subject: [biofuel] Circulation with pump washing. > > > > OK, I tried the drill pump via the standpipe and returned it via the > > water drain and that didn't give satisfactory results. I then tried > > to hook up a Pony Pump and do the same thing with essentially the > > same unresults, so I then had the brilliant idea of hooking up the > > Pony Pump to the water drain and have it splash into the BD from the > > top and that gave about the same results as the former two methods, > > unsatisfactory. > > Now, before I waste more of my time there has to be someone that > > does this successfully and that has been having quite a yarn at my > > trial and error stuff, so how's about sharing how you do it ???? > > My next attempt will be to draw from the water drain and have it > > return via a tube to a T section in the center top of the tank and > > the cross members will have holes drilled into them so that it will > > esentially give me a hard rain, which I am pretty sure will work. > > Like mist washing, but on steroids, HA! > > Of course another way would be to load a bunch of water into the > > reactor after draining the glycerine and having a go at it that way, > > but I do not want to have water residue in the works when I get > > ready to do another batch, so same tank for all uses doesn't work > > for me. > > > > Any comments? > > > > L. > > > > > > > > > > > > Biofuel at Journey to Forever: > > http://journeytoforever.org/biofuel.html > > > > Biofuels list archives: > > http://infoarchive.net/sgroup/biofuel/ > > > > Please do NOT send Unsubscribe messages to the list address. > > To unsubscribe, send an email to: > > [EMAIL PROTECTED] > > Yahoo! Groups Links > > > > > > > > > > > > > > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Biofuels list archives: > http://infoarchive.net/sgroup/biofuel/ > > Please do NOT send Unsubscribe messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > Yahoo! Groups Links ------------------------ Yahoo! Groups Sponsor --------------------~--> $9.95 domain names from Yahoo!. Register anything. http://us.click.yahoo.com/J8kdrA/y20IAA/yQLSAA/FGYolB/TM --------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://infoarchive.net/sgroup/biofuel/ Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Yahoo! 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