Re: DIG-L:

[Vanhauw@aol.com]

Dear Sanna:

Answers to your questions could fill a huge anaerobic digester! This is vast 
subject.
First of all, we have to define "solid waste" - - usually, "solid waste" does 
not imply (at least in USA) that there is organic content (a requisite for 
aerobic and anaerobic digestion).
I am therefore assuming that we are talking about the digestive process by 
which organic matter, such as can be found in animal husbandry and to a 
lesser degree in waste water treatment plants, is decomposed by bacterial 
action.
A great way to start becoming familiar with the whole subject is to get a 
copy of the "Handbook of Biogas Utilization" prepared by Environmental 
Treatment Systems, Inc. for the US Department of Energy (can be purchased 
from General Bioenery, Inc., e-mail: bwatkins@bioenergyupdate.com. This 
excellent publication will lead you through fundamentals and give you a long 
and interesting list of other sources of information on the subject.

Closer to your country, you should check with the Danish Ministry  of Energy 
which is at the forefront of developing energy from organic matter digestion 
(there are other countries also active in that technology, of course)

Good luck! 
    Pierre
Pierre M. van Hauwaert
AplusB, Inc.
4448 Habersham South - Unit 202
Cleveland, Ohio 44143 - USA
Tel (216) 486 1915
Fax (216) 486 3992
e-mail: vanhauw@aol.com
DIGESTION List Sponsors, Archive and Information
http://www.crest.org/renewables/digestion-list-archive
http://www.crest.org/renewables/biomass-info/
Beginners Tour of Biogas
http://WWW.roseworthy.adelaide.edu.au/~pharris/biogas/beginners