I believe that CytoCulture out here in CA is using BD for remediation: http://www.cytoculture.com/process.html
James On Mon, 11 Nov 2002, David Preskett wrote: > Keith, > I've just got to pick you over this: > > #There's an apparent misclassification of water pollution standards in > Germany, where the risk from rapeseed oil is not even classified, > whereas > biodiesel is a class 1 hazard, and fossil diesel is in class 2 (worse). > It > only refers to water pollution and no other aspects of toxicity or > hazard. # > > I like the German WGK system. It makes sure that people get clean water > to > drink without pollutants and they've got a good understanding of the > importance of the relationship of forests and water. Biodiesel is a > pretty > serious pollutant (in water) as it biodegrades so rapidly by water > organism > which themselves strip the oxygen from the water (Biological Oxygen > Demand or > BOD) and kills everything else. Longer chained BD esters also require > more > oxygen to degrade than shorter chain diesel and have a high Chemical OD. > Even > household soaps, like greases also, have a very serious polluting effect > and > are also made from vegetable/animal oils. > > #This doesn't make sense, a biodiesel spill would be less of a problem > than a > spill of vegetable oil, which coats everything, like fossil oil does.# > > In soils yes. All three would cause anaerobic conditions initially but > dino > diesel would remain undegraded for a long time. I could show you a site > of a > thirty year old diesel spill here in North Wales where its still > anaerobic > and lifeless. On the other hand I purposely put BD in my compost heap to > see > what happened and after six months I had some pretty good mulch for my > garden. > > #In fact biodiesel is used to clean up marine oil spills.# > > What a waste!!!!!!!!! So tell me, just which one of the oil companies > clean > up their oil spills at sea? There are far better systems for oil > recovery > anyway though they're rarely used. I've heard of this before and I can't > see > the logic behind it - you end up with a solution of crude oil in esters. > Now > picking it up is the problem............ > > Dave > > -- > David Preskett, BSc (Hons.), AIWSc > > [EMAIL PROTECTED] > > > Reduce - reuse - recycle > > University of Wales > BioComposites Centre > Deiniol Road > Bangor > Gwynedd > LL57 2UW > http://www.bc.bangor.ac.uk > Tel +44 (0)1248-370588 > Fax: +44 (0)1248-370594 > > > > 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/
