BYW, they might want to pick a seed with higher oil content. http://www.journeytoforever.org/biodiesel_yield.html
James Slayden On Sat, 21 Dec 2002, hcr_ii <[EMAIL PROTECTED]> wrote: > Todd, when I was a student in this department there was quite a bit > of work being done on the pyrolysis of coal. I suspect this is what > they are talking about in this paragraph: > > "Waste pyrolysis oil is currently burned as fuel, but this can be > quite polluting," said Dr Dupont. "Our system would still make use > of its energy potential, while allowing the often noxious chemicals > in the oil to be more easily controlled." > > i.e. 'waste' oil from a totally separate process, not the co-product > of the steam reforming of sunflower oil. > > H > > > --- In biofuels-biz@yahoogroups.com, "Appal Energy" <[EMAIL PROTECTED]> > wrote: > > > http://reporter.leeds.ac.uk/483/s3.htm > > > > All a bit elusive... quote: > > > > "Most methods of producing hydrogen burn another fuel for energy, > > which itself creates pollution - carbon monoxide, nitrogen oxides > > and other emissions," said Dr Dupont. "Our catalyst uses oxygen > > from the air to heat up naturally, and this heat is used to > > reform the oil with steam to create hydrogen. The excess carbon > > dioxide is taken into the second catalyst, then released for > > storage or use in other chemical processes, ensuring that > > damaging levels of CO2 aren't just put back into the atmosphere." > > > > "Oxygen from the air to heat up naturally..." Interesting. I > > wonder what their loss rate of catalyst, or energy cost to > > restore it if needed, or life cycle energy cost to refine it. > > > > They mention pyrolysis in a latter paragraph. Wonder where they > > get the "damaging levels of CO2? If they were using the pyrolytic > > fuels from the process itself to perpetuate stripping (not > > "creating") hydrogen they would be carbon neutral at worst, erego > > no "damaging levels of CO2." Not to say that CO2 recovery is not > > intelligent, as it could be used to produce methanol as a useable > > byproduct, among other things. > > > > Todd Swearingen > > > > Biofuels at Journey to Forever > http://journeytoforever.org/biofuel.html > Biofuel at WebConX > http://webconx.green-trust.org/2000/biofuel/biofuel.htm > List messages are archived at the Info-Archive at NNYTech: > http://archive.nnytech.net/ > To unsubscribe from this group, send an email to: > [EMAIL PROTECTED] > > > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > Biofuels at Journey to Forever http://journeytoforever.org/biofuel.html Biofuel at WebConX http://webconx.green-trust.org/2000/biofuel/biofuel.htm List messages are archived at the Info-Archive at NNYTech: http://archive.nnytech.net/ To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
