Decades ago, scientists discovered how to artificially produce ozone through electrical discharge. The method has been used in Europe for water purification since 1904 and has been rapidly gaining popularity in municipal water plants in the United States. In the 1970s, an inexpensive and reliable method of making ozone was discovered utilizing a specific wave of UV light. Ozone generated from UV light is just as effective as ozone produced from electrical discharge or naturally occurring ozone. This production method is preferred for many applications based on cost, reliability, maintenance and quantity.
Using ozone for water purification
The use of ozone in industrial water purification processes has increased significantly in recent years. Ozone is an extremely powerful oxidant, yet it does not harm the environment or leave behind toxic by-products. Process ozone levels must be accurately monitored in a water purification environment in order to ensure reliable and efficient process control. In addition, since ozone is toxic above certain concentration levels, worker exposure to ambient ozone must be carefully monitored in order to meet OSHA/TLV requirements.
IN USA is a recognized world leader in the design and manufacture of ozone instrumentation for industrial water purification applications. Over the years, we have developed considerable expertise in a wide variety of applications for ozone measurement and control. Following is a brief listing of some of the more common ozone measurement applications.
Products for water purification
IN USA manufactures instrumentation to measure ozone for water purification in both gas and liquid phases from ppb levels to concentrations as high as 900 g/m3. Single-channel and multichannel models are available - all models use the proven UV (ultraviolet) absorption technique to make the measurement. UV absorption is an absolute measurement, is selective to ozone, and provides a fast, reliable and stable indication of ozone concentration.
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