Tetrakishydroxymethyl Phosphonium Sulfate ( THPS): A New Biocide With Environmental Benefits for Paper Mills, 1997 Papermakers Conference Proceedings

An entirely new class of antimicrobial chemistry has been registered with EPA for use in papermaking, based on the biocidal molecule TetrakisHydroxymethyl Phosphonium Sulphate (THPS). The most outstanding characteristic of THPS is its ability to combine broad spectrum antimicrobial efficacy with a relatively benign human and environmental toxicity profile. THPS biocides are classified by DOT as non-hazardous, and they have very low acute toxicity in the environment. In addition, THPS degrades rapidly on discharge to a molecule that is virtually non-toxic, thereby minimizing the risk of pollution and/or harm to biological effluent treatment (BET) plants. THPS biocides are fast-acting and offer excellent activity against slime forming microorganisms, sulfate reducing bacteria, and biofilms. The non-foaming THPS molecule can be monitored on-site with a simple and rapid titration procedure to ensure proper dosing levels.

Author: Haack, T. K., Downward, B., Talbot, B.
Tetrakishydroxymethyl Phosphonium Sulfate ( THPS): A New Bio
Tetrakishydroxymethyl Phosphonium Sulfate ( THPS): A New Biocide With Environmental Benefits for Paper Mills, 1997 Papermakers Conference Proceedings
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