In reply to Jed Rothwell's message of Wed, 04 Apr 2007 14:35:15 -0400: Hi, [snip] >Jones Beene wrote: > >>>However, what's not clear to me is what would algoil be doing under >>>equivalent conditions at 9 am in December, when temperatures are >>>hovering around 15 - 25 degrees F, or less. >> >>The prime location for any algae pond and CO2 sytem is adjacent to a >>regular power plant, where the hot water from cooling the steam >>generators (waste heat) heats the pond. > >As far as I know, all of the present large-plans to grow algae use >waste heat and CO2 from power plants. Some pilot plants have been built. > >It should be noted that there is a huge amount of waste heat from >power generation, so this method could recycle a lot of carbon. As I >said before, I expect the photosynthetic efficiency of algae in the >artificial environment would be much better than the natural 2%. The >waste heat from generators far exceeds the total amount of heat >generated by burning coal. See the figure on last page of this document: > >http://lenr-canr.org/acrobat/NRELenergyover.pdf
Why is the "Unit cost" in $/kW as opposed to $/kWh? Is this a mistake, or are they actually talking about power plant construction costs? Regards, Robin van Spaandonk http://users.bigpond.net.au/rvanspaa/ Competition (capitalism) provides the motivation, Cooperation (communism) provides the means.
