The Thursgood Marshall Federal Building in NYC will have a rain water harvesting system which will employ filtration, ozonation and UV to insure the water is safe for use in the building. While many rain water systems employ UV, the engineers for this building decided to add the extra protection of ozone. Ozone water treatment […]
Tag: ozone
Arlington Drinking Water Cleanest of Major Cities
Arlington’s tap water is the cleanest among the nation’s big cities, according to a study by a Washington, D.C.-based environmental advocacy group. The Environmental Working Group calculations released this weekend were based on testing conducted since 2004 that found 316 pollutants in U.S. drinking water systems. The rankings that put Arlington No. 1 took into […]
California Law Supports Ozone Storm Water Treatment
With the passage of California SB 790, also known as the Stormwater Resource Planning Act, ozone treatment programs like the one being piloted in Agoura Hills, CA to clean up pollution in local streams could become a popular alternative to building large, expensive water treatment facilities. The bill, authored by Sen. Fran Pavley (D-Agoura Hills) […]
Winnipeg to Start Up Water Plant with Ozone
Several months ago we mentioned that Winnipeg was building a water treatment plant that would use ozone to treat their water. Now the start up of that plant is only days away, turning on the taps at a $300-million water-treatment facility. In the new plant ozone will break down organic chemicals into smaller, more easily […]
Sonic Technology May Enhance Ozone Effectiveness in Water Treatment
An EPA sponsored study has indicated that sonic energy can enhance ozone effectiveness for disinfection. ozone is already widely used for drinking water treatment applications including disinfection. Currently ozone is produced using the corona discharge method and dissolved into the water either using venturi injectors or fine bubble diffusers. The ozonated water is than sent […]
Ozone Improves Look, Feel and Environmental Quality of Denim
Over the last eight years, ozone has made a prominent place for itself in the garment processing industry all over the world. Widely used as a bleaching agent, Ozone is a powerful within the denim industries that give denim garments a unique and distinctive look and feel from other traditional processing without reducing strength. Though […]
Brantford Ontario to Add Ozone Pretreatment
A $45-million rebuild of the Holmedale water treatment plant in near Brantford, ON Canada is currently underway with an estimated completion date sometime in the summer of 2011. The rebuild will involve replacing the water filter beds, replacing a high-lift pumping station and adding an ultraviolet disinfecting feature as a backup to the existing chlorination […]
Fort Worth Adds Ozone for Drinking Water Plant
Construction on the $47 million Fort Worth Westside Water Treatment Plant began recently. It is set to have an initial treatment capacity of 12 MGD and cost $47 MM. It will treat raw water from the recently installed Tarrant Regional Water District 90-inch raw water main that connects Eagle Mountain Lake with the East Texas […]
Ozone Water Use in Cosmetic Dentistry
Aesthetic dentists gather in Paris at the sixth annual European Society of Cosmetic Dentistry (ESCD) meeting October 15, 2009. Professor Edward Lynch spoke to conference on the use of ozone and ozonated water. Prof. Lynch told the audience that the powerful disinfectant properties of ozone are useful for a range of dental procedures and ozonated […]
Bromate in Drinking Water may not be as Serious as Previously Thought
Currently, allowable levels of bromate in drinking water are 10 micrograms per liter. The US EPA and WHO are considering lowering this limit. Under certain conditions, bromate may be formed when drinking water with bromide ion content is ozonated. Technologies exist to prevent or mitigate this formation, but question have been raised as to whether […]