pH Correction

Acorn Water Ltd. | Water & Wastewater Treatment Solutions


Regulating pH is an major part of water treatment that helps prevent pipeline corrosion and maintains safe drinking water conditions. Measurements of pH range between 0 and 14 and represent the concentration of free hydrogen ions present in a solution. The pH values of acids are below 7 and those of bases are above. Pure water is neutral and has a pH of exactly 7.


Potable water is required to have a pH between 6.5 and 9.5. Water that is too acidic can corrode pipelines and leach metals like lead that are unsuitable for human consumption. Conversely, as the basicity of water is increased, it is more likely to contain precipitates of carbonates and hydroxides and contribute to scale build-up.


Correction of pH may also be necessary throughout the water treatment process to create optimal conditions for other treatment methods such as coagulation.


We offer products that help regulate pH and ensure compliance with stringent drinking water regulations.


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Raises pH and increases alkalinity of municipal water, wastewater, and industrial process waters
High-purity sulphuric acid used to decrease pH in wastewater, potable water, and industrial process water
Increases pH without increasing the hardness of various process waters and municipal water
Used to maintain alkalinity and increase the pH of acidic wastewater or potable water
A strong acid used to adjust pH of water or wastewater throughout the treatment process
Calcium hydroxide (hydrated lime) neutralizes acidity and increases alkalinity
Sodium hydroxide (caustic soda) raises pH and is relatively easy to store and handle

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