Atana Limited

Atana Limited

- pH Correction Chemicals

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There are many factors that can affect pH in wastewater, both natural (alkalinity and minerals present) and man-made (through process the water has been through). Most discharge consents have quite a narrow band of pH to be met.

pH plays an important role in everyday life.

Many treatment processes are pH dependant from coagulation, disinfection and corrosion control. The pH refers to the amount of Hydrogen ions (H+), and the balance of H+ and OH- ions determines the pH of the water. The pH range is 0 to 14 with pH 7 being neutral, pH 0 to 6 is acidic and above 7 is alkaline. Each whole value below 7 is 10 times more acidic than the previous number. For example pH 3 is 10 times more acidic than pH 4 and 100 times more acidic than pH 5. 

The opposite is also true where each whole number above 7 is 10 times more alkaline than the previous number. For example pH 10 is 10 times more alkaline than pH 9 and 100 times more alkaline than pH 8.

Atana supplies products used primarily to raise or lower the pH in a customer’s water treatment process. We can supply pH correction chemicals in bulk, 1000 litre blow overs, in IBC's or 25 litre carbouys:

  • Sulphuric Acid 50% & 70% solutions
  • Sodium Hydroxide 47%, 32% & 20% solutions
  • Hydrochloric Acid 36%, 28%, 16% and 10% solutions
  • Calcium Hydroxide 45%
  • Sodium Carbonate (powder)

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