Liquid purification or separation – Processes – Treatment by living organism
Patent
1982-05-17
1984-09-04
Castel, Benoit
Liquid purification or separation
Processes
Treatment by living organism
210617, 210150, 210192, 210903, C02F 308
Patent
active
044695993
ABSTRACT:
The raw water is loaded with hydrogen in a gas loading stage and is then passed upwardly through a bed of hydrogen consuming micro-organisms in the reactor. The gas-loaded raw water is guided so that the liquid and gas phases travel through the reactor in the same direction.
The gas loading stage is substantially free from micro-organisms and nitrogen produced thereby. The contact times in the reactor are increased so that adequate quantities of hydrogen are either dissolved in the water or are available in the form of small rapidly dissolving gas bubbles.
REFERENCES:
patent: 3829377 (1974-08-01), Hashimoto et al.
patent: 3938738 (1976-02-01), Nagel et al.
patent: 4009099 (1977-02-01), Jeris
patent: 4234560 (1980-11-01), Kuerten et al.
patent: 4284508 (1981-08-01), Jewell
patent: 4351729 (1982-09-01), Witt
Ginocchio J. C., "Biological Denitrification of Drinking Water";Sulzer Technical Review; pp. 115-117 (3/1980).
Gros Henry
Kyburz Markus
Castel Benoit
Sulzer Brothers Limited
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