Archived posting to the Leica Users Group, 2008/07/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Sorry, Jerry look up "cellulosic ethanol from wood residues" (or wood biomass) I stand by Ethanol - as written Best from germany - where they are producing ethanol from just anbout everything left over from farming. Douglas Jerry Lehrer wrote: > 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 > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >