Very nice post from Ed Beggs to the vegoil-diesel group on filtering WVO. Enjoy!
Best Keith >To: [EMAIL PROTECTED] >From: "Neoteric Biofuels Inc." <[EMAIL PROTECTED]> >Date: Tue, 21 May 2002 09:20:56 -0700 >Subject: Re: [vegoil-diesel] WVO filtering tips? >Reply-To: [EMAIL PROTECTED] > >A few comments on this rig: > >A lot of contraption for doing a bit of filtering. > > Get the restaurant to put the oil back in the containers they get it in >after it is cool enough not to be a problem. > >If these are translucent poly, put them in the sun for a few hours on a hot >sunny day (it'll work as well as the drums), and in a few hours the sun will >have it hot enough to pour through a filter. (Needs to be about 140F) That >is the safest and easiest way to collect and heat oil in a warm climate. I >have measured temperatures this high in translucent poly jugs after several >hours on a summer day in the sun. The plastic is thin and can't handle much >more than that, so placing back into the cardboard box the oil jugs >originally come in, before lifting and pouring, would be good idea for safer >handling. Or use the pump. > >We also have a very good, and inexpensive hand operated plastic transfer >pump available that will handle chemicals as well as oil. I have not posted >it yet, but will put on our site soon. > > Pumps on both up and down strokes. Fast and easy for those on a limited >budget that don't want to buy the electric pump. > >----- > >Decant into filter cone. > >---- > >Use. > >Discard the jug or send it for recycling. >----------------------------------------------------------- >I started out using those bag filters, and built a nice stand out of >plywood, tall enough to put a metal pail under. > > Cleaning them out got to be a pain. Even took them to the carwash one night >in frustration, and pressure washed them in the car mat holders. That >worked, but left a bit of a slippery film on the floor - not good. Just a >nuisance, overall, so stopped using them a long time ago. > > >Then we went to a few different pumps and filters - hydraulic pump and >filters, a stainless restaurant oil recycling machine, etc. Really fancy >ideas on filtering, and it cost us some money. > >Guess what... > > Paper filter cones are best, and the ones we have filter down to as low as >0.5 microns. The little transfer pump with the right kit on it works fine, >for both filtering and for filling the tank. > >Our machines, bag filters, hydraulic pumps, cartridge filters, most of the >steel drums, and even the old diesel fuel pump from a service station that >we picked up, are all sitting unused. Fortunately, we scrounged all this >stuff very cheap, so not a lot of dollars invested, and we will get most or >all back on resale (anyone want to buy it after reading this???? I thought >not! Well, the pumps are nice if anyone wants a nice pump for higher volume >use). > >Save yourself a lot of trouble and mess. Collect in the jugs. Heat by some >SAFE means. Filter with these paper cones. That works for anyone that is >using a normal amount of oil. If you are using big volumes, maybe do >something else, but we run three vehicles with this setup and it works very >well. We use two drums as well, one for heating, and another for clean >storage of filtered oil. The oil is pre-settled a few weeks in the jugs it >came in, then into the heating drum. > >BE CAREFUL HEATING! If you can't use the sun and are going to use immersion >type heater, heating element, etc. the surface temperature of the element >can easily be higher than the flash point of the oil. If the oil goes below >the level of the element and the element is still on and hot, you will have >a FIRE. Also do not heat oil that has much water in it, and heat up >slowly,especially if you plan to heat above BP of water. The water under the >oil can be heated to steam and will then suddenly erupt violently, spewing >hot oil everywhere! Wear appropriate gear, keep a fire blanket and a fire >extinguisher at hand, and never leave unattended. > >Solar is safest if you can do it that way. > > > >Regards, > > >Edward Beggs, BES, MSc >www.biofuels.ca > > > > > > > >------- > >RE: Pump - most transfer pumps made for diesel fuel will not handle the >higher viscosity of vegoil for very long and the motor will burn out. Also, >a transfer pump that is made for water needs to be fitted with the oil >resistant kit, otherwise the impeller and seals will let go in short order, >if pumping hot oil. > >------ > >Two drums of oil strapped onto a utility trailer behind a "POS Chevette" is >a fair bit of weight for the brakes on that car - be aware of the need to >stop - pulling for a diesel is easy, but they will pull a lot more than the >brakes can deal with! > > > > >on 5/21/02 12:39 AM, craig reece at [EMAIL PROTECTED] wrote: > > > Check out this link on the Infopop Board (aka the Maui Board:) > > >http://biodiesel.infopop.net/2/OpenTopic?a=tpc&s=465094322&f=166094322 >&m=96430 > > 49815 > > > > Craig > > > > lorilee415 wrote: > > > >> Hi, I'm wondering if people have tips for pre-filtering waste veggie > >> oil? Greasel sells .5 micron filters which trap a whole lot. > >> > >> The oil we are getting is pretty dirty and has "anti-foaming agents" > >> (silicate/silicone?) in it. We used a 12 volt pump to pump it once > >> and got salad dressing (it emulsified and took forever to filter). > >> > >> I'd rather avoid heating the oil before filtering. I'm in Northern > >> California so don't have to deal with super cold weather. > >> > >> Please send your clever solutions! > >> > >> > >> > >> > >> Yahoo! Groups Sponsor > > ADVERTISEMENT > > > > > >> > >> To unsubscribe from this group, send an email to: > >> [EMAIL PROTECTED] > >> > >> > >> > >> Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > > > > > > > To unsubscribe from this group, send an email to: > > [EMAIL PROTECTED] > > > > > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > > > > >To unsubscribe from this group, send an email to: >[EMAIL PROTECTED] > > > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ ------------------------ Yahoo! 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