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The project consisted in installing a thermoplastic lining system to renovate old concrete reservoir. The HYDROCLICK system has been used in this project. It provides a fast, safe, durable and environmental friendly installation of the PE sheets. To protect an already constructed concrete reservoir of feeding water for boiler, within the context of a stainless steel manufacturing plant. In order to ensure a better quality of the water entering the boiler, the previous lining system (epoxy coating) needed to be replaced with thermoplastic lining. CONCRETE The main causes of the concrete deterioration are: Exposure to corrosion attack of concrete structures. Cracks...

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...