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  #1  
Old 04-17-2013, 09:22 AM
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diesel power
 
Join Date: Dec 2011
Location: Europe
Posts: 933
gravity filtration

.

hi guys,

anyone has some info or experience with gravity only filtering wvo
is the gravity itself enough or it must be pushed by pump,presuming that is
outside temp 25C / 75F and filter setup is 20/10/5 micron (in filter housing)?

thanks

ChO


.
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  #2  
Old 04-17-2013, 10:36 AM
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Everything you need to know here: Ron Schroeder upflow filtering method. - Forums

It works and slowly produces as high a quality of oil as my bowl centrifuge.
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2012 S350 BlueTEC 4Matic
2007 ML 320 CDI
2007 Leisure Travel Serenity
2006 Sprinter 432k
2005 E320 CDI
1998 SLK230 (teal)
1998 SLK230 (silver)
1996 E300D 99k, 30k on WVO
Previous:
1983 240D, on WVO
1982 300D, on WVO
1983 300CD, on WVO
1986 300SDL 237k, 25k on WVO (Deerslayer)
1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix
1983 380 SEC w/603 diesel, 8k on WVO
1996 E300D 351k, 177k on WVO

2007 ML320 CDI .. / 2005 E320 CDI .../ 1998 SLK 230 .../ 1991 Daihatsu Rocky
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  #3  
Old 04-17-2013, 12:17 PM
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Lots of experience with gravity filtration. Works fine as long as you have plenty of time. Heat will speed the flow.

Immediately after my de water cycle I drain threw the filter. I set the bottom drain to trickle as not to overwhelm the filter outflow. I've even been brave enuf to walk away for a few hours.

That's it! simple and adiquate for my personal use. very easy and certainly a lot cheeper than pumps and filter housings.
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  #4  
Old 04-18-2013, 12:46 AM
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Location: Sacramento, CA
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WVO station

Here is my WVO fuel station.
Settled, dewatered oil goes in the top 5 gallon bucket which has a
plastic 100 micron strainer that fits over the top lip.
(Strainer shown in front of top bucket)

That drains into larger blue bucket which has 25 micron sock filters in it.
(Sample sock filter shown in front)

Finally, the fuel is drained through a 5 micron sock filter into a 33 gallon barrel.
12V electric fuel pump is used to fill the car.

It has served me well for three years.

Good Luck,
Jeff
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gravity filtration-wvo-station.jpg  
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  #5  
Old 04-18-2013, 03:30 AM
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tx

.

superb info,will give it a try,... thanks guys!

.
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  #6  
Old 04-18-2013, 09:50 PM
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Centifuge

I use a bowl centrifuge. It is on a timer and makes four passes for each 30 gallons of oil. I change the filters on my cars every 5000 miles when I change the oil on my cars. They never clog and never have issues. But I filter 100-150 gallons a week I do not have time for slow.
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  #7  
Old 11-16-2013, 02:09 PM
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Where can I get a bowl centrifuge at a reasonable price?
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  #8  
Old 11-16-2013, 09:35 PM
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reasonable

About $1000 is the cheapest new models that will work. But there are a few.
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  #9  
Old 11-16-2013, 11:37 PM
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83 300SD WVO Blend
 
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I pour settled WVO into the first barrel, which overflows through a triple water filter set up (30, 15, and 10 microns), into a secondary barrel which I pump into a cone bottom tank with a water pump hooked up to it. This water pump acts as a mixer (for my blend) and as a pump to my fuel nozzle when it's time to fill up the Benz. My filtration system was based on this diagram (thanks John Galt)
http://www.frybrid.com/forum/attachment.php?attachmentid=2119&stc=1&d=1193006636
The only mod's I have done to my car is to ditch the little plastic fuel filter, replaced it with a cleanable metal filter, followed by another water separator/fuel filter, and then the stock MB final fuel filter. I also have added a heat exchanger recently which I am liking on these colder mornings.
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  #10  
Old 03-23-2014, 04:59 PM
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I've been using a cold upflow system to clean UVO for about seven years now. It works very well and produces all the clean fuel I need.

http://www.burnveg.com/forum/about9.html
Here's some pics of a system similar to mine:



save these pics if you're interested in this, since the frybrid site will disappear in the near future and I can't figure out how to attach pics to this site
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  #11  
Old 03-23-2014, 08:54 PM
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John, I think you put me onto Coorga Quik N Dri dewatering resin. I just use a packed column now. Strainer on inlet and 5 micron sock on outlet. Crackle test is good as long as the column outlet is submerged. Otherwise the trickling stream picks up significant moisture from the air.

I think a made a PDF of that thread, as well.
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82 Benz 240 D, Kuan Yin
12 Ford Escape 4wd

You're four times
It's hard to
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concentrate on
have an accident
two things
when you're on
at the same time.
a cell phone.


www.kiva.org It's not like there's anything wrong with feeling good, is there?
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  #12  
Old 03-23-2014, 09:47 PM
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Quote:
Originally Posted by moon161 View Post
John, I think you put me onto Coorga Quik N Dri dewatering resin. I just use a packed column now. Strainer on inlet and 5 micron sock on outlet. Crackle test is good as long as the column outlet is submerged. Otherwise the trickling stream picks up significant moisture from the air.

I think a made a PDF of that thread, as well.
Yup, I still use Q&D too. Not sure how you made a PDF of the thread, but would like to know.
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  #13  
Old 03-24-2014, 12:39 PM
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Chrome browser. Go to the page, file, save as PDF. Either that or it will print to PDF.
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CC: NSA

All things are burning, know this and be released.

82 Benz 240 D, Kuan Yin
12 Ford Escape 4wd

You're four times
It's hard to
more likely to
concentrate on
have an accident
two things
when you're on
at the same time.
a cell phone.


www.kiva.org It's not like there's anything wrong with feeling good, is there?
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  #14  
Old 06-04-2014, 11:08 AM
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Quote:
Originally Posted by John Galt View Post
I've been using a cold upflow system to clean UVO for about seven years now. It works very well and produces all the clean fuel I need.

Dewatering and Cleaning VO with Cold Upflow Settling : Vegetable oil Collecting, Filtering and Dewatering
Here's some pics of a system similar to mine:



save these pics if you're interested in this, since the frybrid site will disappear in the near future and I can't figure out how to attach pics to this site
I happened upon this system years ago (WVO/BioDiesel forum), and have no reason to look anywhere else for WVO cleaning system. There is no better way to filter/dewater WVO in my opinion. Very rarely do I ever need to change the filters in my car, the oil is so clean. Thanks John for this great system....Rich
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