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WATER PURIFICATION PLANT OF VALKEAKOSKI

Julkaissut Arnau Vidal

WATER PURIFICATION PLANT OF VALKEAKOSKI

The purpose of the project was to replace a metal container by three plastic containers storing Sodium Hydroxide (NaOH). The NaOH was used in this case as a pH control agent in a wastewater treatment application. Apart from this, the concentration of the solution was increased from an initial 20% to a 50%, in order to reduce costs during the future treatment process. CHEMICAL AND MATERIAL SELECTION Sodium Hydroxide (NaOH), also known as caustic soda or lye, is a common inorganic compound that is typically used as a strong chemical base. It is known to be very corrosive for metals-tissues...

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