11-08: Efficacy of Non-chemical Devices In Controlling Legionella: Results From Non Oxidizing Biocides

11-08: Efficacy of Non-chemical Devices In Controlling Legionella: Results From Non Oxidizing BiocidesThe objective of this investigation was to assess the ability of several classes of non chemical water treatment devices (NCDs) to control the growth of Legionella in a model cooling system. In addition, water samples from cooling towers treated with NCDs were also tested. NCD devices did not prevent Legionella growth in the model cooling towers or in field tests. Building owners and engineers should test water samples for Legionella from cooling

This hypothesis is contrary to basic assumptions in calculating drift emissions

molybdate and nitrite

Highlights of a one-year study

where calcium and carbonate were maintained as soluble species in solution

instrumentation is usually more reliable and efficient than manual analysis and control

They are extremely complicated to measure in testing and therefore their behaviour is the focus of this study

As with any new material

together the data of sound emission of the new sources (certified by the manufacturer)

clay particles

This paper summarizes the process and proposes a simple research approach

Although an air-cooled heat exchanger

Nearly 10% of the world's incandescent light bulbs are blow in this facility utilizing 1-2