pH Correction in Wastewater Treatment

Acorn Water Ltd. | Water & Wastewater Treatment Solutions


As a measurement of the acidity or basicity of a solution, pH is an important parameter to control and regulate in wastewater treatment. The scale used for pH goes ranges from 0 to 14, with pure water having a neutral pH of 7. The pH values of acids are below 7 and those of bases are above.


The pH may need to be corrected at various points throughout the wastewater treatment process; corrections to pH can help optimize conditions for other treatment processes such as coagulation and ensure effluent water is safe for release into the environment. With stringent regulations on industrial effluent parameters, proper regulation protects both human and environmental health.


We are proud to offer an effective range of high-quality coagulants suitable for use in wastewater treatment.


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