Process for biological treatment of dissolved nitrates

Details Process for biological treatment of dissolved nitrates Process for biological treatment of dissolved nitrates

1990-04-25

1992-06-23

Wyse, Thomas

Liquid purification or separation

Processes

Treatment by living organism

210630, 210903, C02F 330

Patent

active

051240394

ABSTRACT:
This invention relates to a process for biologically converting dissolved nitrates into nitrogen, for instance for the denitrification of waste waters by microorganisms with the use of a liquified gas such as C.sub.3 - and/or C.sub.4 -hydrocarbon compounds. Said liquified gas is dissolved in the water which is to be denitrified.

REFERENCES:
patent: 3709364 (1973-01-01), Savage
patent: 4039438 (1977-08-01), Anderson
patent: 4384956 (1983-05-01), Mulder
patent: 4756831 (1988-07-01), Menzel et al.

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