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Artifical photosynthesis   Message List  
Reply | Forward Message #11135 of 11589 |
This will probably not help us any, but progress is being made to an artificial leaf.

Notice - the most efficient antenna is on an algae.

<http://www.gizmag.com/artificial-leaf-converts-light-to-energy/12126/>

--
Toward freedom,

Bobby Yates Emory


Sun Jul 5, 2009 1:18 am

liberty1_27606
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Message #11135 of 11589 |
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This will probably not help us any, but progress is being made to an artificial leaf. Notice - the most efficient antenna is on an algae. ...
Bobby Yates Emory
liberty1_27606
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Jul 5, 2009
1:19 am

Hey Bobby, we have discussed this a few times before. Here is my take, starting with some background. Photosynthesis is made up of 2 basic steps, the light and...
bhans@...
earthmimic
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Jul 6, 2009
2:12 pm

... How efficient in terms of total solar flux -> hydrogen standard enthalpy?...
Jim Bowery
Jim_Bowery
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Jul 6, 2009
6:41 pm

... Sorry, make that "water standard enthalpy"....
Jim Bowery
Jim_Bowery
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Jul 6, 2009
6:50 pm

Hi Brian: Thanks for the very clear recap. Milking is the model I have in mind, which is what I believe is being done by those closest to commercialization. ...
Alex Markin
maskedinvestor
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Jul 6, 2009
2:37 pm

Hi Brian, "By eliminating the in-efficient dark cycle and optimizing the light cycle to yield its H2 efficiently, we can increase the efficiency of energy...
Frankco
francot2
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Jul 6, 2009
4:15 pm

Hey Jim, I have no clue because that would depend on how much H2 you could yield vs how much goes into bioproduction of algae vs others... It was awhile ago...
bhans@...
earthmimic
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Jul 6, 2009
8:39 pm

... Ah, Dr. Melis. I received this from him last May: "About 45% of the energy of sunlight is PAR, with 30% max that can be converted into chemical energy in...
Jim Bowery
Jim_Bowery
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Jul 6, 2009
9:19 pm

There you go. If you have a system that is running 12% solar yield, you would really have something. Ofc we are regulated well under that 12% and I figured 6%...
bhans@...
earthmimic
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Jul 6, 2009
9:44 pm

... With energy as your market, and ignoring ocean-based collectors, you're probably right. My interest has always been primarily protein (and omega-3 oils)....
Jim Bowery
Jim_Bowery
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Jul 6, 2009
11:27 pm

Brian, Since we are paying nothing for the energy from the sun, there is no need to include the sun's energy in EROI. The energy that is used to truck around...
Bobby Yates Emory
liberty1_27606
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Jul 7, 2009
5:05 am

I agree with you Jim. I would buy some algaltofu Brian ... From: "Jim Bowery" <jabowery@...> Sent: Monday, July 06, 2009 7:27 PM To:...
bhans@...
earthmimic
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Jul 7, 2009
12:06 am

Algae's current theoretical upper limit for conversion of solar energy is about 20%, right? And Jim says 6% is realistic. To make algae, and some oil. Then...
George Peters
ibgp3
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Jul 7, 2009
7:33 pm

Bobby, I agree, the sun is free, EROI does not have to include the sun. That isnt what Im talking about. Im talking about refinery, pumps, transport, running...
bhans@...
earthmimic
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Jul 7, 2009
11:21 am

... You agree with him on more than that. ... And Bobby said "The important numbers are the capital and operating expenses." Where the algae-energy critics...
Jim Bowery
Jim_Bowery
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Jul 7, 2009
3:31 pm
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