Semiconductor Manufacturing

Semiconductors contribute to an extensive range of electronic appliances, due to their use in chips within computers, solar cells and mobile phones. Up to 75 Litres of water is required to produce one chip, starting from removing impurities in the silicon wafer and leading onto its cleaning and oxidisation process, producing a protective film to reduce chemical impurities and current leakage.

The water required for the production of semi conductors is ultra pure, a standard of water quality that high exceeds the everyday parameters. To purify the water to this level, particulates and organics needs to be removed from the water before the reverse osmosis stage – This will further the filtration by removing ~99% of bacteria, ions and dissolved solids from the water. A polishing stage is next achieved by using deionisation resin, removing all ions and salts before finally directed through an Ultraviolet sterilisation system to kill any remaining bacteria and inhibit its future growth.

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

Reverse Osmosis

Pure water (permeate)  is produced during reverse osmosis by applying pressure to force water through a semi permeable membrane, leaving a majority of the present ions and dissolved solids on the other side to drain as waste (concentrate).

4

Post RO Deionisation

Our performance mixed bed resin is specially designed for deionisation directly after reverse osmosis. It holds a 1 : 1.5 ratio of strong acid cations and strong base anions to attract and remove all ions, salts and dissolved solids.

5

Ultraviolet Sterilisation

Our UV Systems produce light radiation at 253.7 nm, the ideal wavelength to kill and inhibit the growth of 99.9% of bacteria and viruses without any by product or requirement of chemical treatment.

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