Method to remove biguanide from an aqueous source

Details Method to remove biguanide from an aqueous source Method to remove biguanide from an aqueous source

1997-08-14

1998-10-20

O'Sullivan, Peter

Compositions

Water-softening or purifying or scale-inhibiting agents

210702, 210754, 210756, 2521861, 25218723, 25218724, 25218725, 25218726, 25218727, 25218731, 422 15, 422 31, 422 37, 423306, 423314, 564233, 564234, 564235, C02F 502, C02F 508

Patent

active

058242392

ABSTRACT:
A method for removing biguanide from aqueous sources, such as swimming pools, is disclosed. The method includes the steps of bringing at least one polymeric metaphosphate into contact with the aqueous source in a sufficient concentration to form particles containing the biguanide. The particles containing at least a portion of the biguanide can then be removed by various means, including filtration or vacuuming.

REFERENCES:
patent: 5449658 (1995-09-01), Unhoch et al.

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