What is another term used to refer to the backwash water tank?

The term "brine tank" is commonly used to refer to a tank that holds backwash water, particularly in the context of water treatment systems, including those that use ion exchange processes. The brine tank is designed to store the concentrated salt solution, or brine, used in regenerating water softeners. During the backwashing process, when filters are cleaned, the used water (now referred to as brine in this context) is held in the brine tank before being discharged or treated further.

The other options are distinct in their functions within water treatment systems. A raw water tank typically refers to a storage area for untreated water from the source before any purification processes take place. A product tank is usually designated for holding finished, purified water ready for distribution. The filtered tank specifically contains water that has been treated and filtered, making it distinct from the backwash process. Each of these tanks serves a specific role in the overall water treatment process, which is why understanding the terminology is essential for effective systems maintenance.