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Water requirement for biofuels 3

"There is simply not enough water for biofuels" states the article in CO2science.org.

i know, you guys are already saying that for algae, we dont need fresh water. We need saline water and sewage water and water that is to be treated are enough etc.,

These scientists are also talking about EROWI
Energy returned on water invested.
I agree with the concept, given the impending shortage of water.
You know what the scientists are saying ?
" the most water-efficient, fossil-based technologies have an EROWI one to two orders of magnitude greater  than the most water-efficient biomass technologies, ."

Read the article here
http://www.co2science.org/articles/V13/N34/EDIT.php


Sat August 28 2010 03:12:52 AM by Richard water and biofuels  |  EROWI 1838 views

Comments - 3

  • Shankar wrote:
    Sat August 28 2010 06:53:34 AM

    This is getting tricky. This business of biofuels.

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  • Sun August 29 2010 07:57:37 AM

    Algae need water and Nitrogen (amongst other things)and the simple answer to both is URINE.

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  • Larsyn wrote:
    Sun August 29 2010 03:50:38 PM

    Algae used to clean wastewater will provide additional water for other uses. Granted maybe not pure but useable freeing up fresh water for human consumption.

    Vote Up! 1 Vote Down! 0

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