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Membrane performance study for concentrating digested and dewatered biogas plant effluent

Poster at 11th Aachener Membran Kolloquium, 28./ 29. March 2007, Eurogress Aachen
Untersuchungen der Membranperformance zur Aufkonzentrierung von Nährstoffen eines entwässerten Gärrestzentrifugats von Biogasanlagen
: Maas, R.; Bagehorn, V.; Schumann, R.; Friedrich, E.; Friedrich, H.

Fulltext urn:nbn:de:0011-n-549840 (43 KByte PDF)
MD5 Fingerprint: a85d6ea8ed39c9a6f699fbfbecab4d54
Created on: 19.04.2007

2007, 1 pp.
Aachener Membran Kolloquium (AMK) <11, 2007, Aachen>
Poster, Electronic Publication
Fraunhofer IKTS ()
Biogas; dewatered biogas plant effluent; membrane; nutrient concentration

Co-Digestion of renewable raw materials with other waste product streams from agriculture (e.g. liquid manure) is a process introduced in commercial practice over the last few years. The digested product, the digester effluent, is used as a fertilizer in agriculture. A storage tank on the biogas plant site is often needed, because the digested effluent can only be deployed onto the fields before the vegetation period starts. Its storage capacity has to be calculated for a minimum period of 180 days. In many cases the availability of storage capacity is limited. In such cases it is reasonable to reduce the amount of digested effluent with appropriate processes.