Methods and biopolymer compositions for removing algae from pools and spa
AssigneeSani-Marc Inc.
InventorsWilliam GARDNER, Alexandre Romanens, Ilse Ileana Cardenas Bates, Patrick Marchand
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Abstract
Described herein are biopolymer compositions for removing algae from recreational waters such as swimming pools and spas, kits comprising same and method to remove such undesirable algae. The biopolymer is selected for causing flocculation of algae when added to the recreational waters. Thanks to addition of the biopolymer, flocculated algae can easily be removed from the waters by being trapped in the pool or spa's filtration system. In embodiments the biopolymer comprises chitosan, preferably high molecular weight chitosan (HMWC).
Claims22
A liquid composition for removing undesirable algae from recreational waters, the composition comprising an aqueous solution of a biopolymer, wherein said biopolymer is selected for causing flocculation of algae when added to said recreational waters, and wherein the biopolymer is present in an amount and at a concentration causing said flocculation.
A liquid chitosan composition for removing undesirable algae from recreational waters, the composition comprising about 0.1% w/w to about 10% w/w chitosan solubilized in an aqueous acid solution.
A dry composition for removing undesirable algae from recreational waters, the composition comprising a biopolymer and solubilizing agent, wherein said biopolymer is selected for causing flocculation of algae when added to said recreational waters.
A method to remove undesirable algae from recreational waters, the method comprising:
- providing a composition of biopolymer(s);
- adding said composition to the recreational waters for flocculating undesirable algae present therein;
- and
- removing flocculated algae from the recreational waters.
Dependencies are inferred from the claim text.