New XPR technology expands ERD market potential

Leif J Hauge, President/CEO, Isobarix

The Isobarix XPR pressure exchanger.

The Isobarix XPR pressure exchanger.

Frequent starting and stopping for PX energy-recovery devices (ERDs) at a pair of power stations in Denmark, led to troubles with the pressure-exchangers, with one eventually being removed entirely from one train.

In March this year, the remaining train was successfully retrofitted with an XPR ERD, which to date is working flawlessly.

The author looks at the history of ERDs and the introduction of the XPR device which might open lower energy-cost markets to isobaric energy-recovery.

This article first appeared in the August/September 2011 issue of Desalination & Water Reuse magazine.

Tags

Denmark | Recovery


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