Over the past decade, utility revenue and manpower has shrunk, requiring municipal water plants to be more judicious in their selection of equipment. Water plant designs requiring large footprints, extensive finance and excessive maintenance have been replaced by smaller, more cost-effective designs. In North America, the need to economize water plant designs is evident from the increasing replacement of fine bubble diffusion with sidestream venturi injection (SVI) in municipal ozone contacting designs. The small footprint and low maintenance cost of an SVI ozone contacting system makes it the ideal choice for utilities short on time, money and manpower.
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