[Gasification] biodigestion- gassificaiton or incineration

[Harmon Seaver]

    A "quick, clean, cheap, way to dispose of kitchen organics" was
discovered long, long ago. It's called a compost pile. A more modern
version is the worm-bin, which can be used even in apartments. Sending
kitchen scraps to either the sewage treatment or landfill is absurd,
it's far too valuable to waste.


On 5/12/06, Tom Miles <tmiles at trmiles.com> wrote:
> I've often been told that the reason we have a low amount of food waste in
> our US refuse compared with Europe is the high use of in-sink dispoal
> machines. This always comes up when we compare the composition of refuse
> derived fuel especially for gasification or combustion.
>
> Are dispose-all's not used that much in Eastern Canada?
>
> Tom Miles
>
>
> -----Original Message-----
> From: gasification-bounces at listserv.repp.org
> [mailto:gasification-bounces at listserv.repp.org] On Behalf Of Jan Mowbray
> Sent: Friday, May 12, 2006 8:03 AM
> To: gasification at listserv.repp.org
> Subject: [Gasification] biodigestion- gassificaiton or incineration
>
> With respect to the following statement by Kermit Schlansker,Date: Fri, 5
> May 2006 09:41:59 -0500
>
> The overwhelming advantage of biodigestion over all other processes is that
> it is a cold process and preserves nitrogen in the effluent and solids. It
> also has the advantage that cellulose is the energy source.  I would think
> that sewage mixed with alfalfa or other hay in serial septic tanks would
> produce energy, fertilizer, and cleaner effluent Since it takes a lot of
> energy to produce nitrogen fertilizer this would be a great plus.
> Would it therefore follow, that by encouraging use of home in-sink food
> waste disposers, we would not only have safer, cleaner effluent at the
> sewage treatment plant, but also a quick, clean, cheap, way to dispose of
> kitchen organics, with marginal increase of volume to the sewage system,
> (using an average of 1.5 litres water/daily).
> It would also have the added advantage of diverting more from landfills,
> while reducing the amount of trucks on our roads, using up fuel, spewing
> noxious fumes into the atmosphere, and an end product that would be better
> in biodigestion or to incinerate or gassify?
>
> Jan Mowbray, Ontario
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-- 
Harmon Seaver