Archived posting to the Leica Users Group, 2008/07/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Douglas, Wood residues when fermented, produce METHANOL. That alcohol produces slightly less energy per litre than ethanol.. Jerry Douglas Sharp wrote: > Not at all, Nathan, > > Emissions of CO2 are almost identical to the CO2 absorbed from the > atmosphere when growing the wood, although a relatively small carbon > footprint arises during processing and transportation. > > Close to zero-emission pelleting could be possible if the wood > residues were fermented to produce ethanol as fuel for the plant and > vehicles and then pressing the solid residues as pellets. > > Pellets are often made from sawdust, shavings, offcuts etc from wood > processing industries. > In the UK, there are already people practicing the ancient > agricultural art of coppicing (cutting back branches without felling > the trees) to produce wood for pellets. > > Cheers > Douglas > > >> On Sun, Jul 27, 2008 at 12:11 AM, Nathan Wajsman >> <photo@frozenlight.eu> wrote: >> >>> It sounds like very environmentally unfriendly, unless there is some >>> system >>> that cleans the smoke. >>> >>> Nathan Wajsman >>> Alicante, Spain >>> http://www.frozenlight.eu >>> http://www.greatpix.eu >>> http://www.nathanfoto.com >>> >>> Books: http://www.blurb.com/bookstore/search?search=wajsman&x=0&y=0 >>> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws >>> Blog: http://www.fotocycle.dk/blog >>> >>> >>> >>> On Jul 26, 2008, at 10:44 PM, simon jessurun wrote: >>> >>> >>>> A friend of mine who lives in France just installed wood pellet >>>> burning >>>> central heating. >>>> The arguments for the system seem sound. >>>> Does anyone here have experience with such a system? >>>> simon >>>> >>>> _______________________________________________ >>>> L