Method of using oxygen scavenger and removing oxygen from water

Details Method of using oxygen scavenger and removing oxygen from water Method of using oxygen scavenger and removing oxygen from water

1997-11-20

1999-11-23

Hruskoci, Peter A.

Liquid purification or separation

Processes

Chemical treatment

210757, 25218828, 252394, 422 16, 422 17, 548557, C02F 170

Patent

active

059894407

ABSTRACT:
An oxygen scavenger characterized in that the effective component thereof consists of a heterocyclic compound with N--N bond in a ring thereof An oxygen scavenger characterized in that the effective component thereof consists of a heterocyclic compound with N-substituted amino group. An oxygen scavenger characterized in that the effective component thereof consists of a heterocyclic compound represented by the following formula: ##STR1## (wherein a, b are integers between 0 and 5 to satisfy a relation "2.ltoreq.a+b.ltoreq.5"). ##STR2## An oxygen scavenger characterized in that the effective component thereof consists of azodicarbonamide. An oxygen scavenger characterized by including a heterocyclic compound with N-substituted amino group, or the salt thereof, and a hydroxybenzene derivative. Those may contain further neutral amine, alkalic agent and/or water soluble polymer.

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