Examining a Photochemical Process for Use in Water Purification
By Mark Owen, Tom Hawkins, Ph.D., and Dave Moser
Anumber of technologies are available to remove contaminants in the production of high-purity water that are mostly highly refined versions of 19th and 20th century inventions. However, there are significant numbers of new contaminants introduced into the environment each year, mostly new organic compounds, as shown in Figure 1. For high-purity and laboratory water, the goal is increasingly pure process water that contains fewer contaminants, independent of the changing external world. What is clearly needed is a removal system that addresses the 21st century contaminants, especially organic compounds, with very high energy and water efficiency, and simple installation and maintenance.
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