Hello Cliff >Sorry for the double post, it was very interesting. >The comments on non-sustainability appears to be someone else's >opinion of why it can't work, without much scientific reasons why >not.
My comments (see below). It doesn't imply that the technology itself "can't work", it rejects the idea that it's a "sustainable" technology for producing fuel. What that immediately transfers to is whether or not concentrated pig confinement operations are sustainable. Such operations are not and cannot be sustainable, the evidence against their sustainability is rather vast. If you want to argue with that, the onus would be on you to provide scientific evidence that such operations are sustainable. In fact there's a large amount of scientific and other evidence to support my comments. You can find some of it here, and from here (there's a great deal more): http://journeytoforever.org/farm.html Small farms http://journeytoforever.org/farm_library.html Small Farms Library - Journey to Forever http://journeytoforever.org/farm_pig.html Pigs for small farms >It still sounds like a good idea and I hope the University >of Illinois continues to pursue it. Even in the article it says >that only 70% is converted, which sounds like to me there is still >some waste to be disposed of. But if some good can come of this, >by all means it should be pursued. It gives more uses for pigs >besides meat and lard. There used to be far more uses for pigs other than meat and lard when pigs (and other livestock) were *farmed* rather than just "produced" without any integration with the land and its requirements. Pigs were and are used for land clearance, for weed control, as a highly efficient refertilising stage in a crop rotation, and more - all jobs which, instead of costing money, labour, time, fuel and off-farm inputs, provide better results and produce good pork, without any of the many problems which make industrial hog production unsustainable. See, for instance (again, there's much more than this one piece available): http://www.ssu.missouri.edu/faculty/jikerd/papers/EconFallacies-Hogs.htm Economic Fallacies of Industrial Hog Production John Ikerd University of Missouri Presented at Sustainable Hog Farming Summit, sponsored by Water Keepers Alliance, White Plains, NY, held at New Bern, NC, January 11, 2001. So the hog farmers have been put in the same position as free-range poultry farmers were put in previously. Just an anachronism, victims of free-market forces? No, just victims of corporate bullying, at the expense of the community at large. Turning the manure lakes into fuel might to an extent help to cure the symptom, or one of them, and in so doing could help to prolong this unsustainable abuse of farming. Best Keith Addison Journey to Forever >Best to you, >Cliff >--- In biofuel@yahoogroups.com, Keith Addison <[EMAIL PROTECTED]> wrote: > > It's been posted before, also the similar project with turkey >wastes. > > > > Please see comment here re non-sustainability: > > http://infoarchive.net/sgroup/biofuel/33476/ > > > > Best > > > > Keith Here is is: >"tallex2002" wrote: > >>Hi all, >> >>This is interesting research. We really have to accelerate >>the development of sustainable technologies like these >>and lighten our footprint on this planet. > >It's not a sustainable technology, though it looks like one at first. > >>``Definitely, there is potential >> in the long term.'' > >- says Zhang. But what there is no potential for in the long term, >or at all, is the entirely unsustainable concentrated livestock >containment factory "farming" system it's based on. Essentially it's >a waste disposal method - wrong approach, regardless of whether it >finds a "good" end-use for the waste or not. The idea of "waste" >itself is the wrong approach. Concentrated livestock farms are out >of gear with the land, and disposing of the manure lakes in a useful >way doesn't remedy that. That manure represents the fertility of the >soil which produced the feed. That soil is usually far away, or very >far away, brought to the swine via the waste of large amounts of >fossil fuel. The manure lagoons create all sorts of local and not so >local problems, but while recycling the manure into fuel might solve >some of those problems it doesn't address the overall problem of >factory farming, it's just sticking a band-aid on a cancer. There is >no sustainability until nature's Law of Return is restored and >maintained, and the manure returned in suitable form (composted) to >the land it came from. Integrated, mixed farms using low-input >high-output high-quality methods are productive, economical and >sustainable, and can produce sufficient energy to run the farm and >homestead, plus an excess for export to the community, from an >ever-changing variety of by-products and "wastes" with the dedicated >use of little or no land at all. That's sustainable, and it's no >mystery. > >Best > >Keith > > > > >http://www.thepigsite.com/LatestNews/?AREA=LatestNews&Display=7278 > > >Tuesday, April 13, 2004 > > > > > >Converting Swine Manure to Oil: U of I Makes the Process Faster, >Easier > > >URBANA - Swine manure might just be the surprising key to reducing > > >crude oil imports and creating a new industry in the United States. > > > Need a Product or service? > > > > <snip> ------------------------ Yahoo! Groups Sponsor ---------------------~--> Buy Ink Cartridges or Refill Kits for your HP, Epson, Canon or Lexmark Printer at MyInks.com. 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