Costa Mesa Improves Water Quality with Ozone and Nano Filtration

The Mesa Consolidated Water District (Mesa Water) inaugurated the start of construction for its Colored Water Treatment Facility (CWTF) improvements project. Mesa Water sits above a portion of Orange County’s groundwater basin that includes a supply of amber-colored water hundreds of feet below the clear-water reserves. In planning since the 1980s, the CWTF went on-line […]

Swedish Wastewater Plant Treats Filamentous Sludge with Ozone

At Öresundsverket wastewater treatment plant in Helsingborg,Sweden, they have problems with filamentous sludge during springtime, as do many other activated sludge plants. With ozonation of the return sludge flow Öresundsverket has drastically reduced the amount of filamentous sludge and significantly increased the quality of the water. Ozone is a very strong oxidant, In the treatment […]