Wastewater Disinfection Resources

81. A Small Town With Big Challenges 11/14/2016

    Aqua America water treatment plant in Tiffin, Ohio, was built in the 1920s and is situated on the Sandusky River. The plant processes 3.4 million gallons per day and was facing challenges of producing high-quality drinking water. A full measure of seasonal variety, combined with the runoff from a thriving agricultural environment, caused the small-town water facility to constantly encounter adverse conditions. In an effort to remain compliant, Aqua America enhanced coagulation, but this increased sedimentation rates and exacerbated sludge blanket depths.

82. Special Gas Chlorination System Replaces Tablet System At WWTP, Providing Enhanced Safety Needed For Gas Option, While Cutting Chemical Costs 9/1/2016

    The district manager for the Pinetop-Lakeside Sanitary District (AZ) reports that a special gas chlorination system, featuring unique components and controls, and manufacturer-supplied service, has effectively replaced a chlorine tablet system.

83. Refinery Expands Production While Meeting Discharge Standards Quality 8/5/2016

    Petron Bataan Refinery wanted to expand production to process 180 thousand barrels of crude oil per day while changing its feedstock from Arab Light to less costly heavy and sour crudes.

84. Time-Tested Technology: 25 Years of Trickling Filter Media Success 6/13/2016

    The Bissell Point Wastewater Treatment Plant is the largest wastewater treatment facility in Missouri with an average flow rate of 123 MGD. In the mid-1980s, the facility expanded to provide secondary treatment. The goal of the upgrade was to select a reliable process that would achieve high-rate BOD removal.

85. How Prevalent Is Legionella In Recycled Water? 5/23/2016

    Recently, Dr. Mark LeChevallier, vice president and chief environmental officer for American Water, participated in a webinar hosted by the WateReuse Pacific Northwest and the WateReuse Research Foundation.  He presented findings on the prevalence of Legionella in recycled water.

86. Meet Stringent Phosphorus Limits Under A Wide Range Of Conditions With The CoMag System 4/27/2016

    The Village of Waterbury Wastewater Treatment Plant (WWTP) is located on the Winooski River floodplain, which poses challenges from significant flooding during the spring runoff and storm seasons to strong algal blooms in late spring.

87. Vacuum Dosing Chemical Feeder For Chlorination And Dechlorination Helps Minimize O&M Costs For City Of Nashua, NH CSO Screening And Disinfection Facility 4/22/2016

    As part of its Long Term Control Plan to reduce combined sewer overflows (CSOs) to the Merrimack River, the City of Nashua, NH constructed a new Screening and Disinfection facility (SDF) to reduce untreated discharges of CSOs to the Merrimack River.

88. East Meets West: Capitalizing On Water Opportunity In Southeast Asia 3/7/2016

    The U.S. Department of Commerce’s (DOC) International Trade Administration is planning a July business development mission to Singapore, Vietnam, and the Philippines to introduce American technology firms to the countries’ burgeoning water markets.

89. The Most Cost Effective Disinfection Alternative For A Wastewater Plant To Meet Regulatory Requirements 2/10/2016

    The Valley East Wastewater Treatment Plant (Sudbury, Ontario, Canada) hired an engineering firm to evaluate three disinfection options including chlorination followed by dechlorination, ultraviolet (UV) light irradiation and VigorOx WWT II. Read the full case study to learn more.

90. Old City, New Ideas: Peracetic Acid In Wastewater Disinfection At St. Augustine 2/9/2016

    Wastewater treatment plants are required to disinfect effluent prior to discharge in order to destroy any pathogenic organisms present and minimize public health concerns.