EP 1931607 A1 20080618 - METHOD AND DEVICE FOR PRODUCING FERTILIZER SHAPED BODIES FROM FERMENTATION REMNANTS FROM BIOGAS PLANTS
Title (en)
METHOD AND DEVICE FOR PRODUCING FERTILIZER SHAPED BODIES FROM FERMENTATION REMNANTS FROM BIOGAS PLANTS
Title (de)
VERFAHREN UND VORRICHTUNG ZUR HERST LLUNG VON DUNGEMITTELFORMKORPERN AUS FERMENTATIONSGARRESTEN VON BIOGASANLAGEN.
Title (fr)
PROCEDE ET DISPOSITIF POUR REALISER DES ELEMENTS MOULES DE FERTILISANT A PARTIR DE RESIDUS DE FERMENTATION D'INSTALLATIONS AU BIOGAZ
Publication
Application
Priority
- EP 2006009681 W 20061006
- DE 102005048116 A 20051006
Abstract (en)
[origin: WO2007039311A1] The inventive method for producing fertilizer shaped bodies from fermentation remnants obtained by the generation of power by fermentation in a biogas plant includes the following steps: preparing a fermentation remnant having a first nutrient content; b) separating the fermentation remnant into a solid portion and a liquid portion; c) drying the solid portion; d) increasing the nutrient content of the solid portion, and; e) converting the solid portion into fertilizer shaped bodies. The inventive method and device advantageously permit a utilization of fermentation remnants in biogas plants that is as sustainable as possible. The inventively produced fertilizer shaped body advantageously releases the contained nutrients more slowly than correspondingly unprocessed deposited fermentation remnants whereby advantageously reducing the over-fertilization of fields and the entering of nutrients, particularly nitrites, nitrates and phosphates into the groundwater. The utilization of the waste heat of a heat engine operated with the generated biogas can be advantageously used for drying the solid portion and for heating during subsequent processing of the fermentation remnants. An advantageous embodiment is provided for purifying the resulting effluent by means of evaporation and a subsequent reverse osmosis.
IPC 8 full level
C05F 17/00 (2006.01); C05F 3/00 (2006.01); C05F 3/06 (2006.01); C05F 17/02 (2006.01)
CPC (source: EP)
C05F 3/00 (2013.01); C05F 17/40 (2020.01); C05F 17/50 (2020.01); Y02A 40/20 (2017.12); Y02E 50/30 (2013.01); Y02P 20/129 (2015.11); Y02P 20/145 (2015.11); Y02W 30/40 (2015.05)
Citation (search report)
See references of WO 2007039311A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102005048116 A1 20070412; EP 1931607 A1 20080618; WO 2007039311 A1 20070412
DOCDB simple family (application)
DE 102005048116 A 20051006; EP 06792386 A 20061006; EP 2006009681 W 20061006