Raw Water Treatment

Window cleaning van fleets have the option to use either onboard purification systems, or utilise a central filling hub to refill their vans that only contain tanks. There are two options when running an operation which uses a central filling hub. Either a large scale water treatment system, which pure water can be stored into to refill vans, or treating raw water as it is pulled from a mains supply point.

When pulling water directly from source to fill storage tanks, a deionisation resin stage that is targeted towards hard water areas is utilised to withstand high TDS levels. This is due to the lack of filtration before the treatment process.

Typically, some pre filtration is used before the resin filled pressure vessel to remove particles and organics from the feed water. The effect of this is a prolonged service life for the resin, as it does not have to deal with as high a concentration of contaminants.

Treatment Process

1

Particle Removal

Our cartridges offer outstanding absorption of sediment, dirt, sand and scale flakes to prevent filtration systems from blockage and microorganism growth.

2

Chlorine and Organics Removal

Carbon cartridges are a long established choice for the reduction and removal of chlorine, VOCs and heavy metals whilst reducing water hardness.

3

Deionisation

Deionising water that has not been treated with reverse osmosis demands a higher grade of resin to combat the higher concentrations of salts within feed water. This specialised mixed bed of resins will tackle typically raw water feeds of >250ppm.

4

Storage

Water storage tanks are fed with purified water to hold, ready to be pulled to the point of use. They also act as the barrier between pure water and outside contamination, removing the risk of spoiled water.

5

Pumping

Water transfer pumps are the key to pulling stationary water, typically within an IBC tank. At the desired flow rate, they will boost pressures up to 100 psi (6.9 bar).

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