Process for denitrifying subterreanean waters to make them potab

Details Process for denitrifying subterreanean waters to make them potab Process for denitrifying subterreanean waters to make them potab

1984-07-31

1986-03-18

Wyse, Thomas

Liquid purification or separation

Processes

Treatment by living organism

210616, 210747, 210903, C02F 306

Patent

active

045767173

ABSTRACT:
Process for denitrifying subterranean waters to make them potable. The sub-soil is employed as an infiltration site. Wells (3,4), for example four in number, surround a catchment well (5). The wells (3,4) are filled with a mixture based on straw and marl, to permit the denitrification reaction by a heterotrophic route by virtue of the bacteria present in the sub-soil and particularly in the subterranean waters. The denitrified water arrives at the catchment site (5) where it is withdrawn for the distribution (at 7) and for injection (8,9) into the infiltration sites (3,4). A simple, effective and inexpensive process is thus available for making potable the waters from subterranean tables.

REFERENCES:
patent: 3829377 (1974-08-01), Hashimoto et al.
patent: 3846290 (1974-11-01), Raymond
patent: 4039438 (1977-08-01), Anderson
patent: 4209390 (1980-06-01), Cabane et al.
patent: 4401569 (1983-08-01), Jhaveri et al.
patent: 4465594 (1984-08-01), Laak

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