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Drinking Water Treatment

Drinking Water Treatment
Water Technologies & Solutions

We tend to take the quality of our drinking water for granted but it is reliant on the fact that potable and domestic water systems are correctly operated to avoid potential issues from scale, corrosion and microbes. Strict controls are required if harmful bacteria such as Legionella and Pseudomonas are not to proliferate. Scale and corrosion inhibitors are available for domestic systems as are biocidal products. Our range includes biocidal products for continuous dosing of water systems and for tank cleaning and down water services disinfections.

Product code Application Composition Benefit
ZI894
Gentle descaler suitable for use in potable water applications
Citric acid
Non toxic acidic formulation suitable for descaling kettles, drinking water hot water boilers and domestic water pipework
ZI142
Scale and corrosion inhibitor suitable for domestic and commercial water systems including potable water.
Phosphate and silicate based formulation
Controls corrosion and scale. Prevents ‘red water’. Can be used to protect closed water systems where low toxicity is essential (i.e. food factories).
ZI630
Scale and corrosion inhibitor suitable for domestic and commercial water systems including potable water.
silicate
Controls corrosion and scale. Prevents ‘red water’.
ZI1103
Microbial control and biofilm removal in domestic/industrial water and ancillaries.
stable active halogen
DWI approved formulation (up to 1ppm active) for continuous dosing of potable water and down water services. Straightforward proportional dosing system available. Safe, effective and easy to use solution.
ZI659
Used to disinfect tanks, down water service pipework and potable water systems.
Silver stabilised hydrogen peroxide
Broad spectrum biocide. Effectively removes biofilm. Can be dosed into down water services systems at recommended dose rate where it will break down into water and oxygen. DWI regulation 31 approved for potable system disinfection although this product must be flushed out of all potable systems following disinfection and prior to system use.
ZI102
Used to disinfect tanks, down water service pipework and potable water systems.
Sodium hypochlorite
Extremely effective oxidising biocide used for tank, down water services and potable water system disinfection. Neutralise with sodium thiosulphate prior to discharge.
ZI236
Neutralisation of chlorine
Sodium thiosulphate granules
Neutralises residual reserves of chlorine, enabling discharge to foul drain.

Chlorine dioxide

Chlorine dioxide is an excellent broad spectrum oxidising biocide which is It is effective at low concentrations and is used in a large number of applications such as disinfection, sanitation and water treatment. It has more than 2.5 times the oxidising capability of chlorine and requires a lower contact time. Chlorine dioxide is effective in alkaline conditions (pH <10) whereas biocide such as sodium hypochlorite lose activity quickly as the pH rises and are not suitable for use at pH >8. One of the main advantages of using chlorine dioxide is that, unlike most other biocides, it is able to destroy biofilm

Chlorine dioxide does not generally react with other water treatment chemicals or with nitrogen compounds including ammonia and naturally occurring organic materials such as organic acids.

Product code Application Composition Benefit
ZI19
Dosed 1:1 with BV123 through a chlorine dioxide generator to produce chlorine dioxide
9% Hydrochloric acid
Coloured pink with a food safe colourant for health and safety purposes and ease of identification. Supplied in a clear drum with a red cap.
ZI123
Dosed 1:1 with BV19 through a chlorine dioxide generator to produce chlorine dioxide
An 8% solution of sodium chlorite
Supplied in a clear drum with a blue cap.
ZI1053 + ZI1054
Used to disinfect tanks, down water service pipework and potable water systems
Stabilised chlorine dioxide solution. Activated on site using activator supplied
Chlorine dioxide is an effective disinfectant and biofilm remover. Generates a 1% solution of chlorine dioxide when activated. A wide range of applications.
ZI1304
Ideal for use when a source of chlorine dioxide is required for small scale disinfection applications
Chlorine dioxide tablets
Easy to use source of chlorine dioxide. When added to water the tablet dissolves initiating a reaction that yields chlorine dioxide. One tablet in I. litre of water gives 2000 ppm chlorine dioxide.

ZI19 and ZI123 are standard solutions used in the industry for the generation of chlorine dioxide through a chlorine dioxide generator. Our range also comprises a number of other strengths of both products for use in this application. Please contact our technical department for further information.

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