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William K.
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Platinum
How much energy to do the conversion?
William K.   4/10/2013 4:40:46 PM
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Cooking oil into jet fuel sounds like a worthy effort, although I would rather that any risks of engine problems were more down to earth. I think that I have seen the process done in a "garage lab", my recollection is that it used a hot plate, and I have no idea what else. So how much energy is needed for the conversion as opposed to refining it from crude oil? Does anybody know? Or is it just that used cooking oil is a renewable resource, and quite an inexpensive feedstock?

Ann R. Thryft
User Rank
Blogger
Re: What are the numbers?
Ann R. Thryft   4/10/2013 12:24:11 PM
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TJ, I don't recall coming across those details, but I wasn't looking for them. There's a lot of info there on KLM's biofuels--let us know if you find out.

Ann R. Thryft
User Rank
Blogger
Re: Great news
Ann R. Thryft   4/10/2013 12:23:20 PM
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Rob, jet fuel, whether petro-based, bio-based or a blend, is a quite different formulation from fuels made for automobile engines. Also, the fuel used depends on whether those engines  were modified. In most cases, the oil has to be processed to various extents before it's usable as fuel.

Turbineman
User Rank
Gold
Re: What are the numbers?
Turbineman   4/10/2013 11:07:41 AM
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I'm sure the chili in my employer's cafeteria could be used for biofuel without further refining.

GTOlover
User Rank
Platinum
Re: What are the numbers?
GTOlover   4/10/2013 9:25:39 AM
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I would expect the fryer oil supply to slowly dwindle as big brother forces us to give up fried food (bad for your health). Maybe this will change their minds and allow us to eat fried food to help fuel the planes!

TJ McDermott
User Rank
Blogger
What are the numbers?
TJ McDermott   4/9/2013 10:41:02 PM
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Ann, do you have access to any volume numbers regarding this fuel?  For instance, what capacity is the KLM jet, and what capacity a typical fast food fryer has (and how often the fryer oil gets changed)?  It would give us an idea of how far-reaching this fuel will be?

 

Rob Spiegel
User Rank
Blogger
Re: Great news
Rob Spiegel   4/9/2013 9:48:41 PM
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The practices of Willie Nelson and Neil Young can't be all bad. Both of those muscians have used old cooking oil to fuel their tour busses. But let's hope the pilots on the transatlantic fights are using a different fuel from that used by Willie and Neil to power themselves. 

far911
User Rank
Silver
Re: Great news
far911   4/9/2013 2:01:55 PM
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Truly is an achievement, but how well it works for minimizing pollution and what about in terms of cost effectiveness.

Ann R. Thryft
User Rank
Blogger
Re: Great news
Ann R. Thryft   4/9/2013 1:11:01 PM
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Thanks, Elizabeth, I appreciate your enthusiasm. And I enjoy finding and writing these stories. Although the subject is very different from robotics, these achievements also remind me of a lot of science fiction I read in the 60s ands 70s.

Elizabeth M
User Rank
Blogger
Great news
Elizabeth M   4/9/2013 6:00:19 AM
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You know by now I'm sure that I love reading about these stories. This is great news. I know a few people with cars that run on used cooking oil, so it's good to see it being used on a larger scale. And you're right, it's such a high-profile story it should get others looking more seriously at biofuels if they haven't already. Thanks for keeping up with this coverage.

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