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Old 01-08-2010, 01:51 AM   #11 (permalink)
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Not sure about enzymes?

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Old 01-08-2010, 05:41 AM   #12 (permalink)
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Foolproof biodiesel process: Journey to Forever

One-step Biodiesel Production from Yellow Grease - UNITED ENVIRONMENT & ENERGY, LLC
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Old 01-08-2010, 10:36 AM   #13 (permalink)
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Both of those methods use alcohol esterification... I'm asking about the enzyme method that Bicycle Bob suggested.
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Old 01-08-2010, 02:34 PM   #14 (permalink)
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lipase enzyme

Catalyzing Future Fuels - Biodiesel Magazine

theres also a pdf on it, but it cost money
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Old 01-08-2010, 02:41 PM   #15 (permalink)
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solid catalyst

As a long time home brewer, I think the solid catalyst idea and the enzymatic/lipase approach are about like making practical electricity from a hydrogen fusion reactor. We see periodic press releases about how great it is, and how soon it's coming. Just another 2-3 years and it will be on the market. Electricity too cheap to meter. Blah blah blah.

It will be great when it gets here, I'm sure.

The glycerin byproduct apparently makes an excellent feed additive for cows if you remove the extra methanol first.

It also burns well in my wood stove in a small steel box about the size of a shoe box. I mold it into 1 liter blocks and burn it with wood. It reduces my wood requirements about 40%. It does burn hot, being in the alcohol family, so you need a stove with good combustion air control and a good damper in the flue as well. Use at your own risk.

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Old 01-08-2010, 06:12 PM   #16 (permalink)
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Quote:
Originally Posted by solarguy View Post
As a long time home brewer, I think the solid catalyst idea and the enzymatic/lipase approach are about like making practical electricity from a hydrogen fusion reactor. We see periodic press releases about how great it is, and how soon it's coming. Just another 2-3 years and it will be on the market. Electricity too cheap to meter. Blah blah blah.

It will be great when it gets here, I'm sure.

The glycerin byproduct apparently makes an excellent feed additive for cows if you remove the extra methanol first.

It also burns well in my wood stove in a small steel box about the size of a shoe box. I mold it into 1 liter blocks and burn it with wood. It reduces my wood requirements about 40%. It does burn hot, being in the alcohol family, so you need a stove with good combustion air control and a good damper in the flue as well. Use at your own risk.

Finest regards,

troy
Makes good soap, too. Also OK fertilizer, I'm told. There are 1,000 potential uses for the waste stream, actually.
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Old 01-09-2010, 12:50 AM   #17 (permalink)
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Quote:
Originally Posted by Bicycle Bob View Post
I've heard of the lye and alcohol method, which leaves glycerine behind, and a method with enzymes; never a solid catalyst.
????
Where have you people been the last 9 years???

Texas BioDiesel, Inc. :: Our Technology
A Solid Catalyst Unlike the Rest - Biodiesel Magazine
Solid Catalyst to Convert Algae into Biodiesel - Oilgae.com

I can't located the specific one now but originally it was announced on the original from the fryer to the fuel tank forums about several scientists that had a solid catalyst method where the catalyst was not used up but their funding was pulled by the government, a few years later a company offering the systems large scale popped up. This has been at least 4 years ago and the fryer article was probably 9 years ago.

Anyway there are MANY solid catalyst methods floating around, I just can't find the one I remember. I will keep looking
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Old 01-09-2010, 12:53 AM   #18 (permalink)
Moderate your Moderation.
 
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Please do - interested.
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Old 01-09-2010, 01:14 AM   #19 (permalink)
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Please do - interested.
Arg, I really hate the way google searches work now, back when they were not for profit you actually found what you were looking for, now I keep getting this thing

The Truth About Oil

I will have to see if I can trace my steps through the old forums
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Old 01-09-2010, 01:16 AM   #20 (permalink)
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Oh Noes... I hate those stupid ads.

I just got offered $50 to setup a new paypal account... *gone*.

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