Reverse Osmosis Chemical Treatment

Anti-Scalants

Product code ApplicationCompositionComments
HC211Highly effective RO membrane anti-scalantAn aqueous solution of neutralised phosphonate.Effective against all common scales. Inhibits iron fouling. Compatible with all membrane types.
HC906Highly effective RO membrane antiscalant.Aqueous solution of phosphonate and polymers at alkaline pHVery cost effective. Prevents scaling from calcium carbonate; calcium fluoride; calcium phosphate and sulphate, Barium and Strontium sulphate.Inhibits iron foulingDisperses silt
HC731An effective anti-scalant and antifoulant which is specifically formulated to combat silica scale.in Ro plants and cooling towersAn aqueous solution of polymer dispersants.An effective anti-scalant and antifoulant which is specifically formulated to combat silica scale.
HC864Cost effective RO anti-scalant particularly effective against calcium carbonate scaleAn aqueous solution of neutralised phosphonate.Highly effective against calcium carbonate scale (up to 250ppm as CaCO3). Inhibits iron fouling. Compatible with all membrane types.

Membrane Cleaning Chemicals

Product code ApplicationCompositionComments
HC714Alkaline RO membrane cleanerLiquid formulation containing high levels of chelantHelps to remove organic and inorganic deposits. Effective in the removal of iron deposits.
HC1510Alkaline RO membrane cleanerDo not use on cellulose acetate membrane.Liquid blend of solubilizing and complexing agentsEffective against oil and many other organic and biological compounds. Rapidly removes particulate foulants. Low foaming.
HC718Neutral RO membrane cleanerLiquid formulation containing surfactantsEffective in the removal of organic matter. High strength product
HC713Mildly acidic RO membrane cleaner. Can be used with both polyamide and cellulose acetate membranes.An aqueous solution of ammoniated citric acid.Removes inorganic scale and iron deposits. Suitable for reverse osmosis and nanofiltration membranes.

Biocides

Product code ApplicationCompositionComments
HC1441No oxidising biocide for use in RO systemsDBNPACan be used both on-line (non-potable systems only) and off-line to eliminate and control microbiological fouling. Fast acting biocide.
HC1532No oxidising biocide for use in RO systemsIsothiazolinoneCan be used both on-line (non-potable systems only) and off-line to eliminate and control microbiological fouling. Can be used as a cleaner or preservative (24 hours to 6 months)
HC735Is used to remove chlorine from feedwater in order to protect chlorine sensitive membranesA concentrated solution of sodium metabisulphite.Used to neutralise chlorine or to protect RO membranes during storage.