See these references. Normally it is separation techniques used, not added TS.
http://www.organics-recycling.org.uk/uploads/category1063/Utilisation-of-Bio fertiliser-from-AD.pdf http://www.iea-biogas.net/_download/publi-task37/Task37_Digestate_brochure9- 2010.pdf [rotary screen separator used in example] http://www.fedarene.org/documents/projects/Biogas/Training/1/9_En_slurry_pro cessing.pdf Randy M. Mott President CEERES Sp. z o.o. Ul. Postepu 1 02-676 Warsaw +48 22 843 11 22 randym...@ceeres.eu www.ceeres.eu <http://www.ceeres.eu/> From: digestion-boun...@lists.bioenergylists.org [mailto:digestion-boun...@lists.bioenergylists.org] On Behalf Of Matt Lorig Sent: Saturday, December 03, 2011 10:23 PM To: digest...@bioenergylists.org Subject: Re: [Digestion] Digestate comparison to liquid worm castings (Alexander Eaton) Hello everyone, I want to get a dry fertilizer product that I can bag and hopefully sell. I have been planning to take my liquid digestate and add sawdust or something similar to dry it and then have the worms eat that. I've read somewhere that if I was to filter and dry the digestate I would lose a lot of N with the water. I know I would lower the Nitrogen percent by adding the sawdust but would I gain by not losing the Nitrogen with the water? Also seems I would improve the fertilizer by having worm casts and more microorganisms from the worms gut. I'm about ready to actually start this but since the subject has come up again I thought I should ask the list for comments. It would be nice to know before I start if I'm wasting my time. Matt Lorig mattlo...@yahoo.com
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