Alaska Plant Addresses Community Safety With Upgrade

The largest clean-water plant in Anchorage makes the switch from chlorine gas disinfection to sodium hypochlorite generated on site.
Alaska Plant Addresses Community Safety With Upgrade
The on-site sodium hypochlorite generation system (Electrolytic Technologies) is designed to be compatible with the utility’s current operations and for ease of expansion to meet future demand.

For years, the Anchorage Water & Wastewater Utility had used chlorine gas as the disinfectant at its water and wastewater treatment plants.

In the late 1990s, the utility changed direction. “Our main concern was risk to the community,” says David Persinger, P.E., director of...

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