METHOD AND APPARATUS FOR TREATING FERMENTABLE SUBSTANCES

WIPO Patent Application WO/2011/026964

A4

The present invention relates to a method for treating fermentable organic substances, the method comprising the anaerobic fermentation thereof in a fermentation tank (10), and to equipment which is used to mix the fermentation material and is located, at least in part, outside the fermentation tank. In the case of the method according to the invention, the fresh fermentation material fed, in the first instance, is fed to a mixing tank (14), which extends preferably annularly around the fermentation tank; in this mixing tank, the fermentation material is conveyed over an annular path, mixed into a mash and, after a certain residence time, conveyed out of the mixing tank, and fed to the fermentation tank, by means of a vacuum pressure pumping system (20). The quantity of fermentation material which is removed from the mixing tank in each case can be measured if the tank used for this purpose is standing on weighing cells. The invention provides a method and an apparatus which, for treating organic substances, allow effective mixing of the fermentation material in the phase prior to the latter being fed to the cylindrical tank or fermentation tank, better conveying of the fermentation material and better control of the fermentation process.

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ROELOFS SEINE (NL)
KUSTER W J H (NL)

PCT/EP2010/063015

March 15, 2012

September 06, 2010

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ROMIL BEHEER BV (NL)
JWF BEHEER BV (NL)
ROELOFS SEINE (NL)
KUSTER W J H (NL)

C12M1/107

FRITZ & BRANDENBURG (Köln, DE)

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