A High Recovery Membrane Process for Purification of Low-Level Radiocative Liquid Waste
34th Annual CNS Conference - 2013 June 09-12


Presented at:
34th Annual CNS Conference
2013 June 09-12
Location:
Toronto, Canada
Session Title:
Environment & Spent Fuel Management 1

Authors:
Riad Al-Samadi (OPG)
Ram Davloor (Bruce Power)
Bill Harper (Bruce Power)
  

Abstract

An advanced Active Liquid Waste Treatment System (ALWTS) was designed and placed in-service at the Bruce Nuclear Generating Station “A” in 1999. As part of this unique system, an innovative high recovery reverse osmosis system (ROS) was installed to concentrate the contaminants into a small retentate stream that can be processed on-site or sent off-site for disposal. The permeate is discharged to the lake. The overall permeate recovery of the system is greater than 98%. This patented system, which saw its first commercial application at the station, has now operated continuously for over thirteen years. It has enabled the ALWTS to consistently produce high quality effluent that exceeds environmental discharge limits. This paper discusses the high recovery membrane process, its unique design features aimed at minimizing the volume of rejects, its separation performance and operating history.

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