light-penetration-through-reactor

Validation of a Reactor Containing UV LEDs for the Disinfection of Municipal Drinking...

Olivier Autin lead research scientist, Typhon Treatment Systems James R. Bolton president, Bolton Photosciences Light-emitting diodes (LEDs) have attracted a great deal of attention in the UV world....
water-sample-uv-light

For Water Reuse, UV Solution Brings Consistent Results to City

Article provided courtesy of Enaqua, a Grundfos company Water is scarce and in high demand in the mountain desert town of Payson, Arizona. As a...
sewer water grate

How to Address CSO Events with UV Technology

Patrick Bollman, P.E. UV product specialist, Evoqua Water Technologies According to a study released by Water Resources Research1 in June 2019, heavy downpours have become more...
Biofilm-formation-over-time

UV-C LED Irradiation for the Inactivation of Biofilm-bound Pseudomonas Aeruginosa Bacteria

Kyle D. Rauch, Stephanie Gora, Carolina Ontiveros and Graham Gagnon Centre for Water Resource Studies, Dalhousie University, Halifax, NS, Canada Biofilms are ubiquitous in nature and...
milk

What is Going On with the Grade A Pasteurized Milk Ordinance?

Harold Wright chief technologist-UV disinfection, Carollo Engineers The Grade A Pasteurized Milk Ordinance (PMO), published by the Food and Drug Administration (FDA), provides standards and requirements...

Why is There No Standard Unit Similar to Lighting Products for Radiant Output of...

R.W. Stowe UV applications engineering consultant, Heraeus Noblelight America LLC The visible portion of the output (luminous flux) of lamps used for illumination is expressed in...
Ultraviolet-light-based-advanced-oxidation-process

Practical Information on Sizing and Design Approaches for UV AOP Systems

Nathan Moore Ph.D. candidate, University of Toronto Erin Mackey project manager and technical specialist, water and reuse, Brown and Caldwell, Inc. Kati Bell managing director of water strategy, Brown...
germicidal-LED

Critical Roles for Germicidal LEDs in Healthcare Delivery Facilities

Peter Gordon VP of business development, Bolb Corporation Infectious diseases are caused by various pathogens: vegetated bacteria, bacterial spores, virions and fungus. Once transferred upon or...
apples

Ultraviolet Light Explores New Science for Food and Beverage

IUVA Food and Beverage Safety Working Group Contact: Tatiana Koutchma, Ph.D. Agriculture Agri-Food Canada, at Tatiana.Koutchma@agr.gc.ca Compared to water and wastewater treatments, air disinfection and surface...
hands

Expanding Outreach to Other Organizations Interested in UV

IUVA Healthcare/UV Working Group Contact: Troy Cowan director, Vision Based Consulting, at troy@visionbased-consulting.us Since the last issue, there has been a tremendous amount of outreach activity...
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