In almost all of the world’s industries, two core chemicals are likely at their foundation – sodium hydroxide or potassium hydroxide. Solutions of sodium hydroxide (also known as caustic soda) are commonly used in chemical processing, pulp and paper, water treatment, soaps and detergents, bleach manufacturing, textiles, and petroleum products industry. Solutions of potassium hydroxide (also known as caustic potash) are used in applications such as the production of potassium carbonate, potassium phosphate, liquid fertilizer, and potash soaps and detergents.
In the life of a chemical processing or industrial plant, the conflict between adopting a lifecycle view of the operation vs. lower up-front capital expenditures is always present. In this context, the perception of “cost” has various implications for decision-making. Leadership will always have to balance the many factors that affect its long-term operations methodology.
Delve deeper into CPVC's capabilities, benefits and performance in the harshest industrial applications.
Stand alone Corzan® CPVC piping is inherently tough. Its high heat distortion temperature, impact resistance, and pressure rating can stand up to the demands of many industrial applications. That said, there are chemical processes that require corrosion resistance, but have a fluid temperature exceeding Corzan piping’s working range. For these situations, dual laminates are becoming more commonly specified. Dual laminates combine the superior chemical resistance of Corzan CPVC with the mechanical strength of fiber reinforced plastics (FRP). This translates to longer service life, lower maintenance costs, and improved reliability.
Industrial applications create some of the harshest conditions to which a material can be subjected. Consequently, the materials intended for use in these environments must be especially resilient. For instance, extremely corrosive chemicals essential in applications, such as chemical processing and wastewater treatment, must be stored, processed and transported safely and effectively. This requires containment materials that possess very high corrosion-resistant properties. The vessels designed to contain these chemicals have been traditionally composed of steel, fiberglass or exotic alloys, but chemical tank manufacturers have learned that the lifespan of these materials is limited by their inherent chemical resistance qualities. As a result, fabricators have begun the practice of adding more robust chemical-resistance layers into dual-laminate tanks to create longer-lasting containers. This has directly helped to limit the amount of downtime manufacturers must endure related to repairs and tank replacement.