Disinfection of drinking water often involves a trade off between inactivating pathogens and creating undesirable disinfection by products in water. Because chlorination is still the most widely used method of disinfection, problems with the formation of chlorinated byproducts due to the interaction of chlorine with organic compounds found in water is a major issue. Two […]
Olympics Threaten By Ozone
Normally, in this blog we focus on the application of ozone in the treatment of water. Given that the Olympics are taking place in London the following news item caught our eye. During the week leading up to the Olympic Games, London experienced its worst ozone episode for six years. Fortunately fresh westerly winds began […]
City of Lawrence Looks to Ozone to Solve Taste and Odor Problems with Their Drinking Water
The city of Lawrence is researching new treatment methods to deal with a taste and odor problem associated with its drinking water which recently have become a more serious issue. The city’s Utility Department said there is a solution in the works that would use “advanced oxidation” to combat taste and odor issues that are […]
Denton Expands the Use of Ozone Treatment of Drinking Water
Denton was a top-5 finalist in the U.S. Conference of Mayors’ 2011 “Best Tasting City Water in America” contest, and the state of Texas recently awarded Denton with “superior” water status. Denton has two separate water treatment facilities that meet the demands of almost 120,000 residents. The first stage of the treatment process begins with […]
Melbourne Water Supply Sees Pesticide Contamination
Pesticides have been detected upstream of a reservoir that feeds Melbourne’s drinking water supply. On eight occasions in 2010-11, the levels of pesticides, including simazine, atrazine and DEET, at Sugarloaf reservoir, north-east of Melbourne, were recorded above safe European Union drinking water standards, according to Melbourne Water data obtained by Friends of the Earth through […]
Los Angeles Expands Ozone Treatment of Drinking Water
The Los Angeles Metropolitan Board of Directors has authorized construction of $140.4 million of new ozone facilities at the district’s oldest treatment plant. The new facilities will use ozone to replace chlorine as the primary disinfectant at Metropolitan’s F.E. Weymouth Water Treatment Plant in La Verne. 20 years ago, Los Angeles identified ozone disinfection as […]
Unique Ozone Biofilter Technology Developed for the Textile Industry Wastewater Treatment
A new fashion season results in a flood of new fabrics in a variety of colors. With the beauty comes the reality that producing these textiles comes at a cost to the environment as heavy polluting dyes find their way into the textile industry’s wastewater. Anew water clean-up technology, developed as part of an EU-funded […]
Norman, OK Studies Ozone Water Treatment
Norman water treatment plant improvements enter Phase II: The city council, acting as the Norman Utilities Authority, will consider approving a $1.5 million contract with Carollo Engineers for Phase II improvements at the water treatment plant located in northeast Norman. The improvements follow studies conducted in 2006 and 2007. Carollo performed a chlorine pilot study, […]
Ozone Water Treatment a Major Part of North Central Texas Drinking Water Systems
As a follower of this blog will be aware, the majority of surface water treatment systems in the Dallas-Fort Worth Metroplex and North Texas have added ozone to their treatment process. Currently, more than 130,000 lbs/day of ozone capacity is installed to treat up to 2.5 billion gallons per day (BGD) of drinking water in […]
Orange County Opens New Ozone Water Treatment Plant
Orange County has opened its new Southern Regional water supply facility, which can produce up to 30 million gallons of drinking water a day. The new facility pumps water from 6 wells driven deep into the lower Floridan Aquifer. The water’s cleaned with ozone and piped out to 21 thousand homes and businesses in the […]