Five standard cleaning methods
Installations (boilers, heat exchangers, cooling water systems etc.) are often cleaned prior to being put into use. This procedure is called pre-commission cleaning. Various procedures carried out on the installation will have resulted in it being contaminated with grease/oil, welding scale etc. The temporary protective layer of the steel will moreover have been corroded resulting in (fly) rust. There are various methods for removing these types of contamination chemically.