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pH Correction Chemicals

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.

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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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