WQA to Evaluate Portable Exchange Tank Processes

October 12, 2012

WQA invites industry members involved in portable exchange tank processes to a collaborative task force for the development of a protocol

Typical cation exchange water softeners have been under regulatory scrutiny for many years because of their need for salt to regenerate the ion exchange bed and the amount of water they use for regeneration. Water Quality Assn. (WQA) members have devised a way to address these concerns by offering portable exchange tank services for water softening.

In this type of process, a trained technician visits the home on a regular basis to swap out the spent resin tank with a freshly regenerated resin tank. The homeowner pays a monthly fee and avoids the cost and hassle of regeneration. Meanwhile, the spent resin tank is returned to a central location where it can be regenerated under controlled conditions to minimize wastewater generation and salt discharge.

This is similar to the process that is used for deionization water generation in laboratories and industrial settings throughout the United States, often called portable exchange deionization.

WQA is inviting industry members who are involved in portable exchange tank processes to a collaborative WQA task force for the development of a WQA protocol. This protocol is intended to describe best practices for quality assurance, and may later be used as a seed document for the development of an American National Standards Institute standard.

Source:

Water Quality Assn.

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