Wastewater Disinfection Resources

41. Kansas Wastewater Treatment Plant Makes A Long-Overdue UV System Upgrade 7/30/2019

    Faced with rising operating costs, the Water Pollution Control Department of the Unified Government of Wyandotte County and Kansas City, KS turned to Trojan for a long-overdue upgrade.

42. What Is The Best Key Performance Indicator To Evaluate The Efficiency Of Your AOP System? 7/22/2019

    You’ve decided on a wastewater treatment system integrating an AOP system process. Well, now you’re going to need a way to evaluate your system’s performance. While it may seem to run perfectly fine, it’s difficult to really gauge how efficiently the process is running at a glance, especially an advanced oxidation process as it is typically focused on removing micropollutants from a water source.

43. Advanced On-Site Wastewater Treatment For Greenfield And Retrofit Applications 7/15/2019

    Many owners and operators of traditional decentralized municipal wastewater treatment plants, also referred to as on-site or off-grid treatment, are acutely aware their systems are at risk of becoming obsolete.

44. Benefits And Disadvantages Of The Advanced Oxidation Process 6/27/2019

    In many water and wastewater treatment applications, there are a number of pollutants that are difficult to reduce by physical, chemical, or biological means alone. In more recent years, there has been a growing concern regarding pharmaceutical drugs in drinking water and aquatic environments. Pesticides get caught in runoff from farms into freshwater supplies. 

45. Reconditioned And Rehabbed Filters Succeed At Large Treatment Plant 6/14/2019

    A large treatment plant includes several treatment processes that contribute to providing quality recycled water pursuant to the state of California Title 22 regulations. Major treatment processes include raw wastewater pumping, preliminary treatment, primary treatment, secondary treatment, tertiary treatment with Parkson DynaSand® filters, and disinfection.

46. Dual Mixers Overcome Stratification And Prevent Ice Formation In Concrete Tank With Baffles 6/6/2019

    The climate in Southgate, Ontario, is considered cold and temperate with significant rainfall throughout the year. Temperatures in winter average around -10°C and can drop as low as -30°C to -40°C for brief periods of time, which can wreak havoc on the local water storage tanks and distribution piping. Read more to learn how the installation of PAX Mixers has kept the tanks free from ice and has shown an improvement in disinfectant residual levels.

47. Replacement Vacuum Liquid Feeder For Poly Aluminum Chloride Ends Feed Reliability Problem For SWTP 4/24/2019

    The Chief Operator for a surface water treatment plant (SWTP) reports that replacement of a troublesome vacuum liquid feeder for poly aluminum chloride (PACl), with a more advanced vacuum liquid feeder, ended the threat of a process upset for operations staff that was caused by the previous unit not being able to hold a constant feed rate. The ability to provide a consistent feed is needed as a key element in the plant pre-treatment process, which features turbidity reduction and clarification.

48. Removing Iron From Groundwater 4/15/2019

    In 2008 Texas was facing an extended drought and the City of San Angelo was weighing its alternatives. The City felt the Hickory Aquifer well field was the best water option available, but this water contained significant amounts of radium and iron.

49. One Million Gallons Of Wastewater Reused Daily To Irrigate Award-Winning Botanical Garden 4/1/2019

    The City of Silverton is known as Oregon’s Garden City and sends one million gallons a day of treated effluent to the Oregon Gardens, returning the remainder to Silver Creek.

50. Standardizing On-Site Hypochlorite Generation Disinfection Technology In Water And Wastewater Treatment Plants Increases Safety And Eases Operations 10/3/2018

    In late 2005, the City of Newberg, Oregon, decided to upgrade their water treatment plant disinfection process from gas chlorine to on-site hypochlorite generation (OSHG) in an effort to simplify operations and increase operator safety. The plant produced an average of 2.5 million gallons per day (MGD), with a peak capacity of 5 MGD.