WateReuse Research Foundation는 폐수 재사용에 중요한 문제인 UV 살균과 바이러스 제거 모니터링에 대한 새로운 2개의 보고서를 발표했다. UV 방사를 사용한 아데노바이러스의 강화된 살균을 위해 Karl Linden, 듀크대학교 및 콜로라도 대학교 볼더 캠퍼스, Jeanette Thurston, USDA-ARS and USDA National Institute of Food Safety가 주로 투자하였다고 밝혔다.

보고서에서 연구원은 polychromatic medium-pressure(MP) UV 램프가 low-pressure(MP) UV 램프보다 더 효과적이라는 사실을 확인하고 바이러스 불활성화를 위해 요구되는 투여량은 미국 환경보호국 규제보다 낮다는 사실을 발표했다. 또한 세포배양에서 바이러스의 UV 불활성화는 생체동물 소독과 다르지 않을 것이라고 강한 의문을 제기했다.

The WateReuse Research Foundation has released two new research reports on ultraviolet (UV) disinfection and virus-removal monitoring, both important subjects in wastewater reuse.

For Enhanced Disinfection of Adenoviruses with UV Irradiation (WRRF-06-011), principal investigators were Karl Linden, Duke University and University of Colorado Boulder, and Jeanette Thurston, USDA-ARS and USDA National Institute of Food Safety.

They report that their research confirms that polychromatic medium-pressure (MP) UV lamps are much more effective than low-pressure (LP) UV lamps, and that the doses required for virus inactivation were much lower than those in the United States Environmental Protection Agency regulations.
They also strongly suspect that UV inactivation of viruses in cell cultures is no different than for in vivo animal infections.

The study New Techniques for Real-Time Monitoring of Membrane Integrity for Virus Removal: Pulsed-Marker Membrane Integrity Monitoring System (WRRF-09-06b) was undertaken by ?Val S Frenkel, Arcadis US (now with Erler & Kalinowski, Inc) and? Yoram Cohen, University of California, Los Angeles.

They looked at potential health hazards caused by imperfections and/or breaches as small as 20?30 nm in diameter in wastewater treatment/reuse membranes, which could allow enteric viruses to pass through the membrane and contaminate the product water stream.

This study focused on evaluating a pulsed-marker membrane integrity monitoring (PM-MIMo) approach for reverse-osmosis (RO) processes on the basis of the use of a fluorescent marker. The basic concept of the PM-MIMo approach for detecting membrane breaches was successfully demonstrated by comparing intact and damaged membranes using a diagnostic plate-and-frame RO system and spiral-wound RO pilot system.

 

[출처 = Desalination & Water Reuse / 2014년 6월 5일]