Dear Paul, thanks for this information. I am aware of the fact that a lot of antibiotics are mixed with poultry feed. That explains why poultry manure has no methanogens. Yours A.D.Karve On Mon, May 23, 2011 at 2:34 PM, Paul Harris <[email protected]> wrote: > G'day All, > > I don't think poultry manure has methanogens (Once I tried layer manure > collected from the floor and it did not start, but the same happened for > cattle manure with antibiotics - the dairy cattle manure did eventually > start up though). I have also been told that kangaroos don't have > methanogens in their gut. > > I also recall a conversation about human digestive systems that indicated > that some of us have "better" methanogenic populations than others (but I > may be wrong here!) so a trial may be the best thing. > > Happy digesting, > HOOROO > > Mr. Paul Harris, Room 202 Charles Hawker Building, Faculty of Sciences, The > University of Adelaide, Waite Campus, PMB 1, Glen Osmond SA 5064 Ph : +61 > 8 8303 7880 Fax : +61 8 8303 4386 > mailto:[email protected] > http://www.adelaide.edu.au/directory/paul.harris > > CRICOS Provider Number 00123M > This email message is intended only for the addressee(s) and contains > information that may be confidential and/or copyright. If you are not the > intended recipient please notify the sender by reply email and immediately > delete this email. Use, disclosure or reproduction of this email by anyone > other than the intended recipient(s) is strictly prohibited. No > representation is made that this email or any attachments are free of > viruses. Virus scanning is recommended and is the responsibility of the > recipient. > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Anand Karve > Sent: Monday, 23 May 2011 12:51 PM > To: For Discussion of Anaerobic Digestion > Subject: Re: [Digestion] Solar Heated Batch Bladder Digester for Poultry > > Dear Steven, > In shops selling material for building construction, you would get > plastic water tanks. I have seen tanks of even 50, 000 litres (about > 11,000 gallons). They can be kept above ground and you can use them as > digesters. Just build a plastic greenhouse-like structure or a > geodesic dome around this tank for passive solar heating. The fecal > matter of all animals contains methanogenic archaea, so there won't be > any need to use a culture. One time filling is O.K. I have seen that > large tanks filled with cattle dung plus other digestible matter yield > a steady output of biogas continuously for 6 months to a year. Ammonia > should not interfere with the process of digestion. It would go out of > the system along with the biogas. This is how the land fills work. > Please keep us informed of the progress of your project. > Yours > A.D.Karve > > > > _______________________________________________ > Digestion mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org > > for more information about digestion, see > Beginner's Guide to Biogas > http://www.adelaide.edu.au/biogas/ > and the Biogas Wiki http://biogas.wikispaces.com/ > >
-- *** Dr. A.D. Karve President, Appropriate Rural Technology Institute (ARTI) *Please change my email address in your records to: [email protected] * _______________________________________________ Digestion mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org for more information about digestion, see Beginner's Guide to Biogas http://www.adelaide.edu.au/biogas/ and the Biogas Wiki http://biogas.wikispaces.com/
