TetrakisHydroxymethylPhosphonium Sulfate (THPS) A New, Environmentally Benign Biocide for Cooling Water Systems

摘要

TetrakisHydroxymethylPhosphonium Sulfate (THPS) is a relatively new biocidal active now finding extensive application in cooling systems, oilfield water treatment and paper manufacture. THPS is fast acting and has very favourable environmental characteristics. This paper briefly reviews the chemistry, biocidal efficacy and environmental profile of THPS then describes 5 case studies where THPS has been utilized to achieve microbiological control in cooling systems. In all cases, THPS has achieved better control than alternative non-oxidising biocides, with much less risk to the environment.