Liquid purification or separation – Processes – Treatment by living organism
Patent
1990-12-17
1993-07-20
Wyse, Thomas
Liquid purification or separation
Processes
Treatment by living organism
210617, 210903, C02F 306
Patent
active
052289974
ABSTRACT:
Effluents contaminated with NH.sub.4.sup.+ values, e.g., domestic sewage, are purified by aerobic biological nitrification within a bed of biomass granulates, e.g., a fluidized bed, such granulates comprising a nitrification effective amount of at least one nitrifying microorganism firmly adhered to support, preferably carbonate granules consumable thereby.
REFERENCES:
patent: 3855120 (1974-12-01), Garbo
patent: 4221657 (1980-09-01), Lebesgue
patent: 4995980 (1991-02-01), Jaubert
Blanchard Gilbert
Martin Guy
Pouillot Michel
Atochem
Wyse Thomas
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