Various type of produce are washed with ozonated water including fruits, vegetables and potatoes. In some cases, the use of ozone water treatment is the first time a disinfecting agent has been applied to the produce during the washing or conveying process. In other cases, ozone has been added to or replaced an existing disinfecting […]
Barriers to Water Reuse for Drinking Water in the US
It has been demonstrated that existing technologies for advanced water treatment can successfully upgrade wastewater to drinking water quality in large scale. There are installation for water reuse/water reclaim in California that are treating municipal wastewater to drinking water quality in volumes over 70 MGD. These technologies employed include membrane filtration, RO, UV and ozone. […]
Drinking Water Utilities Treatment Practices Based On Recent Disinfection Rules
The Long Term 2 Enhanced Surface Water Treatment Rules, know as LT2ESWTR was promulgated in 2006 obligating large drinking water utilities to comply with the rules by 2012. The rule was designed to prevent cryptosporidium, a difficult to kill pathogen from entering the drinking water supply. An incident in Milwaukee resulted in thousands of people […]
Advanced Oxidation Facilitates Industrial Wastewater Reuse
Advanced wastewater treatment technologies can allow industrial enterprises to reuse water and thus decrease industries use of fresh water resources. Currently, these processes are expensive and are probably only suitable for developed economies. This is compatible with the nature of industrial water use which increases with per capita GDP. Industries consuming the most water include […]
Santa Barbara Brings Ozone Drinking Water Plant On Line
Santa Barbara brings an advanced ozone water treatment plant on line to improve water quality after two years of development. Water for the City of Santa Barbara comes from Lake Cachuma and the Gibraltar Reservoir, both located on the Santa Ynez River. The water is treated at the William B. Cater Water Treatment Plant (Cater […]
Sappi Fine Paper’s Cloquet Mill Installs the Largest Single Ozone Generator in the World
After $170 million in expenditures and a one-year construction period, Sappi Fine Paper’s capital conversion project was completed. The new production line is designed to produce specialized cellulose. The mill employs the largest single ozone generator of its kind in the world. In the first two weeks of the new facility’s start-up curve, average production […]
Ozone Remediation of A California Groundwater Site Planned for October
California officials plan to inject ozone into groundwater beneath a city of Carson business that washes chemical delivery trucks in hopes of removing contaminants in the water. harmful chemicals were discovered in water beneath the facility in 2004. The officials are concerned that the groundwater contaminant plume is moving off-site. As a result, they want […]
Hillsborough Country, FL Water Improved by Ozone Treatment
Hillsborough County water customers in south-central Hillsborough are now receiving higher quality water thanks to a new hydrogen sulfide removal facility using ozone at the Lithia Water Treatment Plant. Water customers in south-central Hillsborough communities, such as Apollo Beach, Brandon, Riverview, Ruskin and Sun City Center, began receiving water treated with ozone in early July. […]
Middleton Adds Ozone Water Treatment in Plant Rennovation
A $20 million project to retrofit the Middleton Water Treatment Plant is expected to be completed this fall. The original plant went online in 1976. The upgrade is expected to extend the plant operations for another 20 to 30 years of life while permitting it to meet new Safe Drinking Water Act by 2015. The […]
China Drinking Water Quality
Original article published in Caixin’s Century Weekly by Gong Jing and Liu Hongqiao. Reprinted at Chinadialogue.net. Authors won the “Journalist of the Year” and “Young Journalist of the Year” categories at chinadialogue and The Guardian’s China Environmental Press Awards. A month after their article was published, the housing ministry was forced to release previously unpublished […]