Case Study: Taste And Odor Treatment At Cornwall, Ontario With UV-Oxidation
Cornwall is a city of nearly 50,000 people in Ontario, Canada. It is located on the St. Lawrence River, approximately 1,000 miles from the Atlantic Ocean and 125 miles from Lake Ontario.
The city draws its drinking water from the St. Lawrence, a reliable and generally good quality source. However, in the late summer and early fall, dying algae from algae blooms during the warmest months often leave an earthy and musty taste in the water. The city's treatment process, consisting of coagulation, sedimentation, and granular activated carbon filtration, was at times unable to remove sufficient quantities of geosmin and 2-methylisoborneol (MIB), the compounds responsible for the difficult-to-treat taste and odor (T&O) problem. Carbon treatment required large amounts of carbon, frequent changeouts (due to rapid break-through of T&O compounds) and was unable to completely treat the T&O problem.
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SOURCE: Trojan Technologies



