Method for treating hexamine waste water

Details Method for treating hexamine waste water Method for treating hexamine waste water

1994-02-23

1996-04-16

Cintins, Ivars

Liquid purification or separation

Processes

Treatment by living organism

210664, 210668, 210669, 210670, 210748, 210759, C02F 900

Patent

active

055079512

ABSTRACT:
The present invention provides a method for treating hexamine waste water. The method includes subjecting the waste water to conditions sufficient to remove volatile constituents, passing the waste water through a cation exchange resin capable of absorbing cations, and optionally either subjecting the waste water to a bacteria culture capable of consuming formaldehyde in the presence of an organic nutrient for the bacteria or subjecting the waste water to ultraviolet light in the presence of an oxidizing agent. The method may include both optional method steps, but must include at least one. The method also includes regenerating the cation exchange resin to remove the absorbed cations and reform the cation exchange resin. The present invention also provides an apparatus for treating hexamine waste water.

REFERENCES:
patent: 4147623 (1979-04-01), Koff et al.
patent: 4338196 (1982-07-01), Mayerle
patent: 4999112 (1991-03-01), Dobuler et al.
patent: 5015560 (1991-05-01), Koboshi et al.
patent: 5039424 (1991-08-01), Mitarai et al.
patent: 5062957 (1991-11-01), Berreby

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