Drinking Water Disinfection [Case Studies White Paper]

  1. Ozone Disinfection System Lowers Turbidity, Boosts Filter Run Times, And Eliminates Taste And Odor Issues
    3/24/2015

    By 2025 Salt Lake City expects to gain additional 100,000 residents, and the nearby city of Sandy expects to gain another 30,000.

  2. Multi-Barrier Disinfection Strategy - New York City (Case Study)
    1/15/2014

    New York City is home to more than 8 million people, making it the most populous city in the United States. The majority of New York's drinking water is supplied by the Catskill/Delaware watershed, located approximately 100 miles outside the city. Historically, NYC has not filtered the water from this system, nor did they require any additional barriers to microbial contaminants due to the pristine nature of the watershed.

  3. WEDECO UV Disinfection Produces Highly Purified Water In Silicon Valley
    5/7/2015

    With diminished rainfall, a depleted aquifer basin, near-empty recharge ponds, and an earthquake-vulnerable aqueduct system, the Santa Clara Valley Water District (SCVWD) in San Jose, CA, required additional water supplies to maintain regional economic vitality for its growing community.

  4. City Of Austin, Texas Installs A Total of 4,500 Pounds‐Per‐Day Of On‐ Site Hypochlorite Capacity Using the Microclor® OSHG System
    7/24/2018

    With 100 years of service history, Austin Water has seen enormous change in its 540 square miles of service area. Planning for the next 100 years has city and utility planners considering a diversity of sources, system resilience, and sustainability while being mindful of conservation goals. In the city’s newest water treatment plant, WTP4, Austin Water was able to combine those planning elements into a state‐of‐the‐art treatment plant. The plant, which is located on Lake Travis, is capable of treating 50 million gallons a day (MGD) with the ability to expand to 300 MGD.

  5. Evaluation And Optimization Of Clean-In-Place Using Ozone
    8/15/2018

    A chemical company which specializes in Clean-In-Place (CIP) systems, contacted Mazzei to discuss the use of ozone as an alternative to peracetic acid sanitation or heat sterilization at their customers’ plants.

  6. Product Recovery Through Ozone Oxidation Of Waste Liquor
    9/15/2018

    The manufacturing of soda ash from Trona is a multi-step process that results in the production of a waste liquor that contains significant levels of organic contamination.

  7. City Of San Diego Water Plant Switches From Chlorine Gas To On-Site Hypochlorite Generation To Reduce Risks, Improve Safety And Decrease Costs
    4/16/2019

    With virtually no local water sources available for use, the City of San Diego relies on water from the Metropolitan Water District, which imports its water from the Colorado River and the California State Water Project. The two massive water projects bring water from other watersheds and regions hundreds of miles to the north and east.

  8. Taste and Odor Treatment with UV-Oxidation - Mississauga, Ontario (Case Study)
    7/7/2010

    The Region of Peel is the second-largest Canadian municipality after the city of Toronto, and draws its drinking water from Lake Ontario — the smallest of the five Great Lakes. To meet the projected population increase from 1,160,000 people currently to an estimated 1,571,000 people in 2031, the Region decided to upgrade and expand its water treatment plant. To deal with seasonal taste and odor compounds produced by algae blooms in Lake Ontario, the membrane plant will be equipped with a Trojan UV-Oxidation system.

  9. Water Plant Applies Colorimetric Chlorine Analyzer To Accurately Measure Proper Chloramination
    1/31/2013

    The North Shore Water Commission located in Glendale Wisconsin is a conventional water treatment facility that receives its influent from Lake Michigan. At the intake, chemical treatment is applied for mussel control and the water is pumped to the treatment plant 1 mile away. By Kevin Forsman

  10. Ozone To Enhance Removal Of Iron And Manganese And Reduction Of THM
    8/15/2001

    The U.S. EPA's promulgation of the Stage 2 Disinfection By-Products Rule required  the Public Works Department of Danvers, MA, to establish a Two-Phase upgrade of the plant’s treatment process in order to comply.