biodiesel power

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Saturday, April 12, 2008

Drying washed biodiesel

I'm sorry for the language in this video, but I thought it would still be better to see a video with a foreign language than not see the video at all.

Drying biodiesel is simple. All we have to do is drain the water from the bottom and lift the aquarium stone up a quarter of the hight so dry air is pumped into the biodiesel and moist air leaves the bottle.

Here in the left bottle we have the 4th wash where the biodiesel is misty from the water, and in the right bottle we have been drying biodiesel for 16 hours and ther is practically no water left in the biodiesel.

Friday, April 11, 2008

Washing raw biodiesel continued

Beginning of 3rd wash. The water is not clean because its waste water from my previous 4th wash a month ago. I should probably use more water under the biodiesel.

Thursday, April 10, 2008

Washing raw biodiesel

Duration of first wash was 9 hours, then I replaced the milky water with fresh tap water.

Duration of second wash was 12 hours and you can see here what the water looked like after this second wash.

Tuesday, April 08, 2008

Making biodiesel

Here's a video to show you how I do it

Sunday, April 06, 2008

From restaurant to reactor

Getting oil at the restaurant and filtering, then letting it settle for 2 weeks. You can see the difference in oil color after it has settled in this video


Sunday, July 15, 2007

When to make winter biodiesel



I just made another batch of biodiesel today. That's 170 liters of raw biodiesel.
I also put 170 liters of the former batch into the washing process.
And before that I also took 150 liters out of the washing and drying process and put some in a barrel for the winter and the rest has gone in the tank of my car.

Yes, the winter. July and August is the time you should be making your fuel for the winter. When I make my biodiesel I let it sit for quite a while and then take biodiesel from the top and store it for the winter. The lower half of the biodiesel goes into my fuel tank during the summer.
That's how I got through all of last winter without using petrodiesel at all.

Temperatures fell down to -6°C (21.2°F) and my car was outside all winter but I didn't have any trouble starting the car or driving around with my B100.

Monday, December 18, 2006

Warm winters are great for biodiesel

So, 2 months have passed since my last confession!?
I really didn't mean to write anything else cause nobody's looked at this page. But now, Someone has actually been on this page snooping around.
As you can tell from the date, the temperatures have gone down, below freezing point.
4 or 5 days in a row, I've been starting my car in the morning at temperatures of -4,5°C (23,9°F), with nothing in my tank but 100% pure biodiesel.
Usually you can find data on the internet, that biodiesel becomes useless at temperatures below the freezing point of water, unless it's mixed with petro-diesel, or some other additive is added.
If you scroll down this page you'll find some pictures that show you what my biodiesel looked like after it came out of the freezer. That's probably why I can still start my car normally at these low temps.
Ive tried stuff to lower the gelling point of my biodiesel, but still haven't found anything worth mentioning.
The only thing that I can think of , that makes my biodiesel stay liquid at low temperatures, is the kitchen that provides my oil, gives me oil that has very little animal fats in it. The oil has such a nice color (after I let it sit for a week), that re-using it in my kitchen has really crossed my mind. Only when you compare the color with new vegetable oil, you see that it's really used oil.