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 […]
Wisconsin Dairy Farm Improves Operations with Ozone
It is surprising to learn that a dairy farm requires a sizable laundry for its operation. It turns out that the udders on every cow need cleaning three times a day during milking and the Statz Brothers farm cleans each cow’s udder, 2,600 cows in all, with a fresh towel. To clean all of those […]
Hillsboro, KS Evaluates ozone for Zebra Mussel Control
Hillsboro City Council approved a study of ozone treatment to solve an issue with zebra mussels getting into the city’s water treatment plant. Invasive zebra mussels have become more of a problem at the city’s water treatment plant with workers having to remove a substantial number every two to three days at the pump house. […]
Japanese Goverment Approves Ozone for Ballast Water Treatment
Mitsui O.S.K. Lines, Ltd. (MOL) announced that an ozone-based ballast water treatment system earned a certificate of compliance from the Japanese government. The system was audited based on guidelines set out in the International Convention for the “Control and Management of Ships’ Ballast Water and Sediments (G8),” adopted by the International Maritime Organization (IMO). Certification […]
Singapore Uses Ozone for Two Decades to Treat Drinking Water
According to Singapore’s National water agency PUB the water treatment process at its Bedok plant takes six steps, two of which involve an enhanced disinfecting technology called ozonation. When infused with water, ozone kills bacteria and micro-organisms like algae and plankton which float on the water surface initially. A coagulant called aluminium sulphate is then […]
Ozone Peroxide Advanced Oxidation Removes 1,4 Dioxane
Tokyo, Japan — Teijin Limited announced today that an advanced oxidation process has proven its effectiveness in decomposing 1,4-dioxane, a highly persistent organic solvent. With the Japanese government now considering the introduction of 1,4-dioxane discharge regulations, Teijin’s system could have promising applications in the Japanese market and beyond. The process combines ozone and hydrogen peroxide […]
Ozone Helps Waco Reduce Taste and Odor Problems
City and community leaders in Waco had a chance to tour the site of the new drinking water treatment facility. The plant began its water pretreatment process last summer, but officials said they only recently starting running the ozone disinfection process. Ozone is a well proven option for reducing taste and odor problems in drinking […]
North Carolina Water Plant Expands with Ozone
The expansion of the Sweeney Water Treatment Plant in Wilmington is nearing complete. Planning for the project began in 2005. The construction will take the plant from 25 million gallons of treated water per day to a potential 44 million gallons per day. The facility is implementing new filtration systems, including ozone and UV disinfection. […]
Advanced Oxidation Process Added to Wastewater Reclaimation System in Southern California
Parsons was selected by the Orange County Water District (OCWD) to provide construction management services for the $128 million Initial Expansion of the Groundwater Replenishment System (GWRS) in Fountain Valley, CA. Scheduled for completion in 2014, this project will increase the treatment capacity of the GWRS by 31,000 acre-feet per year. GWRS, the largest advanced […]
Massachusetts Regional Water Authority to Combine Ozone and UV for Disinfection
To meet new federal regulations aimed at reducing gastrointestinal illness from Giardia and Cryptosporidium microbes, the Marlborough plant will use ultraviolet light. The combination of treatments will allow for a reduction in the amount of ozone that is added to the water, which in turn will reduce our ozone operating expenses to offset increased operating […]