There is no unified standard for the allowable residence time of scale and corrosion inhibitors in the collection tank, which depends on multiple factors, including but not limited to the following:
Water quality characteristics: Different water qualities have different rates of scale formation and corrosion. If the water quality in the collection tank is particularly prone to scaling or causing severe metal corrosion, a longer residence time may be required to fully utilize the scale and corrosion inhibitors.
Types and concentrations of scale and corrosion inhibitors: Different types and concentrations of scale and corrosion inhibitors have different protective effects on water systems. Higher concentrations of scale and corrosion inhibitors typically require a shorter residence time to achieve the expected effect.
Water treatment system design and operational requirements: Specific water treatment system design and operational requirements also have an impact on the residence time of scale and corrosion inhibitors. For example, the system may need to regularly discharge a portion of the water in the collection tank, which limits the time for scale and corrosion inhibitors to stay in the collection tank.
Generally speaking, the residence time of scale and corrosion inhibitors in the water collection tank can be adjusted according to the actual situation. It is usually recommended to conduct experimental dosing, observe the effect, and determine the appropriate residence time through water quality analysis and equipment condition monitoring. At the same time, it is recommended to operate according to the instructions and recommendations provided by the manufacturer of scale and corrosion inhibitors to ensure safe and effective use.