Reverse osmosis is an efficient way of purifying water but operational efficiency can only be obtained if the plant and in particular the membranes are kept clean. If this is not the case, membranes quickly become fouled, result in lower output and ultimately result in the costly necessity of having to replace them.
Various products are available which have been developed to combat the problems likely to be found in membrane and reverse osmosis markets. Fouling is reduced in the first instance with the correct use of reverse osmosis anti-foulants and anti-scalants. Membrane cleaning products help to remove fouling from the membranes and should be chosen based on the type of fouling that occurs. Biofilms can form on membranes and biocidal products should also be considered as part of the membrane treatment regime.
|BV211||Highly effective RO membrane anti-scalant||An aqueous solution of neutralised phosphonate.||Effective against all common scales. Inhibits iron fouling. Compatible with all membrane types.|
|BV906||Highly effective RO membrane antiscalant.||Aqueous solution of phosphonate and polymers at alkaline pH||Very cost effective. Prevents scaling from calcium carbonate; calcium fluoride; calcium phosphate and sulphate, Barium and Strontium sulphate.Inhibits iron foulingDisperses silt|
|BV731||An effective anti-scalant and antifoulant which is specifically formulated to combat silica scale.in Ro plants and cooling towers||An aqueous solution of polymer dispersants.||An effective anti-scalant and antifoulant which is specifically formulated to combat silica scale.|
|BV864||Cost effective RO anti-scalant particularly effective against calcium carbonate scale||An aqueous solution of neutralised phosphonate.||Highly effective against calcium carbonate scale (up to 250ppm as CaCO3). Inhibits iron fouling. Compatible with all membrane types.|
|BV862||Effective RO antiscalant. Very concentrated formulation.||An aqueous solution of polymers.||Highly effective at preventing the formation of inorganic scale, thereby reducing the frequency of membrane cleaning and replacement. Allows systems to be designed and operated at their optimum rate of recovery|
|BV714||Alkaline RO membrane cleaner||Liquid formulation containing high levels of chelant||Helps to remove organic and inorganic deposits. Effective in the removal of iron deposits.|
|BV1510||Alkaline RO membrane cleanerDo not use on cellulose acetate membrane.||Liquid blend of solubilizing and complexing agents||Effective against oil and many other organic and biological compounds. Rapidly removes particulate foulants. Low foaming.|
|BV718||Neutral RO membrane cleaner||Liquid formulation containing surfactants||Effective in the removal of organic matter. High strength product|
|BV713||Mildly 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.|
|BV732||Acidic powder formulation for RO membrane cleaning.||Citric acid and surfactant.||Suitable for drinking water applications. Suitable for membranes from all major suppliers. Removes inorganic scales|
|BV932||Alkaline powder RO cleaner||A blend of inorganic phosphates, EDTA and sodium percarbonate||Highly effective blend of cleaning agents, water conditioners and builders. This product emulsifies, saponifies, and disperses soils for easy removal|
|BV729||No oxidising biocide for use in RO systems||DBNPA||Can be used both on-line (non-potable systems only) and off-line to eliminate and control microbiological fouling. Fast acting biocide.|
|BV728||No oxidising biocide for use in RO systems||Isothiazolinone||Can 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)|
|BV735||Is used to remove chlorine from feedwater in order to protect chlorine sensitive membranes||A concentrated solution of sodium metabisulphite.||Used to neutralise chlorine or to protect RO membranes during storage.|
Above is just a selection of our core RO anti-scalants, RO membrane cleaners and biocides. Details on further products can be obtained from our Technical Team.
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