Simple Centrifuge
Clean waste vegetable oil (WVO), bio diesel, lube oils, and even hydraulic oil in your garage
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Photo Gallery - This gallery represents the work over several years. Some designs have been replaced and/or updated as time progressed. Most images contain a date stamp visable on the large version. Please note the date when viewing. We are always experimenting with new concepts and designs. If you have any questions about any photo please contact us.
Total photos in gallery 1199 - Latest photo update 2014/03/21 23:15:25
Asterisk(*) indicates new photos in the past 30 days
Adapter 56C to 56J ( 15 )
Algae Recovery ( 42 )
Bacterial fermentation ( 1 )
Balancer Mandrels ( 8 )
Bearing replacement ( 23 )
Botry Culture ( 2 )
Building a gantry ( 16 )
Chestnut Extract ( 9 )
Coconut Oil ( 8 )
Construction ( 43 )
Contaminated diesel ( 2 )
Craig's Machine ( 31 )
Cross Drill End Bell ( 4 * )
Crude oil ( 5 * )
Custom motor shaft ( 23 )
Experimental Motor ( 19 )
Explosion proof motor ( 3 )
Feed Cone ( 29 )
Foundry ( 5 )
Foundry 2 ( 18 )
Gear pump ( 2 )
Grinding fluid ( 19 )
Grinding fluid 2 ( 14 )
Heaters ( 9 )
History ( 11 )
Homemade Diesel ( 7 )
Homemade diesel 2 ( 41 )
Homemade Diesel 3 ( 15 )
Homemade Diesel 4 ( 9 )
How it works ( 3 )
Keyless Bushing ( 11 )
Lab Centrifuge ( 16 )
Lab Centrifuge 2 ( 18 )
Lock motor shaft ( 6 )
Magnesol removal ( 6 )
Microwave heater ( 7 )
Misc. Mods ( 4 )
Mitsubishi 4x4 on WMO ( 10 )
New Feed Cone ( 16 * )
New Feed Tube ( 7 )
New Rotor 2013 ( 24 )
New rotor design ( 16 )
Oil and Contaminants ( 41 )
Oil Skimmer ( 8 )
Our Shop ( 37 )
Peristaltic Pump ( 29 )
Renderings ( 8 )
Retrofit rotor for WVOD ( 17 )
Rework Mount ( 10 )
Rotor fins ( 25 )
Seal ( 6 * )
Sea Weed ( 4 )
Sediment removal ( 16 )
See thru lid - Building ( 16 )
See thru lid - Testing ( 28 )
Skim Tube ( 56 * )
Small Settling Tank ( 14 )
Tanks ( 9 )
Tanks - Complete System ( 13 )
Tap drain ( 10 )
Testing Seal Screws ( 6 * )
Tests by fuelfarmer ( 22 )
Turn key machine ( 38 )
Two part rotor ( 30 )
Ultrasonic filter cleaning ( 8 )
Updates ( 26 )
Users Machines ( 34 )
Vacuum pickup ( 3 )
VW on WMO ( 7 )
Water trap ( 5 )
Wine Clarification ( 4 )
WVO Heat Tests ( 7 )
WVO Tests ( 14 )
Homemade Diesel
Gary has been working on a system to distill waste motor oil into diesel fuel.

He writes:
What I'm looking to find out is if your centrifuge will clean up what I send you which is my final product. When I refine my waste oil I heat it up to 690F to 710F when it boils the vapors go into a condencer and turn back into liquid. This liquid has a certain amount of a tar substance in it. To this point the only thing I have found that will take this stuff out of the condenced product is activated charcoal and 10 gallons of charcoal will only filter 300 gallons of diesel. I'm hoping your centrifuge will separate this stuff so I can get rid of the charcoal. This filtering problem is the final hurdle in my complete system, if it works I could market your centrifuge with my refinery or just send people to you to buy one of their own. My system produces about 4.5 to 7 gallons per hour. What I'm sending you is some of the final product that has already been charcoal filtered. What I want to know is if your centrifuge will separate any more of the black tar out of it. If it does then I know I can filter what comes strait out of the condenser.

We'll his diesel arrived today. I ran two gallons at 5 gallons per hour cold. The fuel passed through a 10 micron fuel filter before the centrifuge. The centrifuge pulled a lot of tar from the fuel. Check out the photos!

I spoke with Gary this morning about the results. The diesel he sent had been filtered through a 2 micron CAT fuel filter. He liked the results.

Check out his site at:
www.wasteoildiesel.com
This is a sample before running through the centrifuge. According to Gary this has been filtered through activated charcoal, which is the same thing you'll find in your water filter. The oil looked really good in delivery lines. Sample after running through the centrifuge at 5 gallons per hour. Much more clear than the original feed stock. This is a photo of the samples side by side. The sample on the left is centrifuged, which is obvious by the clarity.
This is a sample before running through the centrifuge. According to Gary this has been filtered through activated charcoal, which is the same thing you'll find in your water filter. The oil looked really good in delivery lines. Sample after running through the centrifuge at 5 gallons per hour. Much more clear than the original feed stock. This is a photo of the samples side by side. The sample on the left is centrifuged, which is obvious by the clarity.
This is the underside of the lid. Note how the tar is thickest closer to the outside because it is heavier than the fuel. Captured tar. Captured tar.
This is the underside of the lid. Note how the tar is thickest closer to the outside because it is heavier than the fuel. Captured tar. Captured tar.
Captured tar.    
Captured tar.    
Numeric Control, LLC
PO Box 916
Morton, WA 98356