Water Use of Porcelain Enamel

The cleaning processes for removing oil and dirt employ water based alkaline cleaners. Acid pickling solutions are used to remove oxides and corrosion and to etch the surface of the workpiece. Water is also used to rinse the basis material after it has been cleaned by the above listed processes.

A water solution of nickel salts is used in nickel flash operations in the steel subcategory.

The ball milling operation uses water for washing out the ball mills between mixing batches and for cooling the ball mills. During application of the porcelain enamel slip, water may be used as a curtain device for entrapping waste slip from overspray.

The characteristics of the wastewater generated by a porcelain enameling facility may vary depending on basis material cleaning and coating.

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