Method for processing manure, fermented manure and ammonium nitr

Details Method for processing manure, fermented manure and ammonium nitr Method for processing manure, fermented manure and ammonium nitr

1993-06-01

1994-03-22

Wyse, Thomas

Liquid purification or separation

Processes

Treatment by living organism

210614, 210631, 210903, 210906, C02F 330

Patent

active

052961478

ABSTRACT:
The invention relates to a method for processing manure, fermented liquid manure being subjected to nitrification in a first step and to denitrification in a subsequent step, an aerated reactor which contains active sludge rich in nitrifying bacteria being used in the nitrification step and acid-neutralizing chemicals being added to said reactor if necessary and a continuously fed upflow sludge bed (USB) reactor which contains a very compact biomass which is capable of converting nitrate to nitrogen gas and to which an organic substrate is added being used in the denitrification step, the loading of the reactor being controlled to obtain an optimum nitrification and denitrification and this is obtained on the basis of one or more of the following data:

REFERENCES:
patent: 4160724 (1979-07-01), Laughton
patent: 4183810 (1980-01-01), Baenens et al.
patent: 4384956 (1983-05-01), Mulder
patent: 4818407 (1989-04-01), Bogusch
patent: 4818408 (1989-04-01), Hamamoto
patent: 5182021 (1993-01-01), Spector
patent: 5196111 (1993-03-01), Nicol et al.
patent: 5213681 (1993-05-01), Kos
patent: 5242592 (1993-09-01), Ballnus
J. M. Engasser, "Bioreactortechnolgie: Ontwerp en Optimalisatie van Reactoren met Levende Cellen," PT Procestechniek, Jun./Jul. 1989, pp. 56-63.
A. Klapwijk, "Eliminatie van Stikstof uit Afvalwater Door Denitrificatie," 1978, p. 99.

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