Wastewater Treatment Case Studies and White Papers

  1. The Most Misunderstood Fact Behind Dissolved Oxygen Sensors (It’s The Pressure, Not The Concentration)
    8/5/2015

    A dissolved oxygen sensor ought to be simple to understand. Whether it is membrane or optically based, it gives a signal that is proportional to the concentration of oxygen concentration in water.

  2. Los Osos Water Recycling Facility Manages High Volume Of RFIs And Submittals
    12/1/2015

    The Los Osos Water Recycling Facility is the final phase of the Los Osos Wastewater Project (LOWWP). The new 13-acre, USD 48 million facility will service the city of Los Osos’ new wastewater collection system, which includes sewer and recycled water lines, sewer laterals, pump stations, and leach fields. Prior to the new collection system and recycling facility, the entire city relied on a septic system. When completed, the new recycling facility and wastewater system will be operated and maintained by the County of San Luis Obispo, Calif.

  3. Accurate Sludge Conditioning For Good Dewatering Results
    6/30/2016

    Where should I put the sludge? There is a consensus among wastewater plant operators and other industry groups that the subject of sludge will take on more importance in the future. The reasons for this are the increasingly strict controls on discharge methods and the obvious cost burden of every cubic meter of sludge.

  4. UV Kind Of Town, Chicago Is (Case Study)
    6/22/2018

    The Metropolitan Water Reclamation District of Greater Chicago (MWRD) — of which the Terrence J. O’Brien Water Reclamation Plant (WRP) is part of — has made a number of upgrades to its treatment process in recent years.

  5. Two Processes, One Flow Metering Technology: The Benefits Of Standardization
    3/21/2018

    Wastewater treatment facilities use multiple processes and a variety of equipment to produce water clean enough for reuse. Each process within the treatment train may serve a different function yet use the same or similar equipment. In such cases, standardizing equipment may be beneficial.

  6. Clearing Channels And Tanks Of Rag And Fiber Produces Benefits Beyond The Tanks
    11/20/2017

    Reduction of ragging is merely one of the benefits the EscaMAX® Perforated Plate Screen bestows upon its implementer. But this is such a huge factor, that mitigating it brings night-and-day results in other areas such as reducing debris in the grit channel, increasing space for energy-producing biosolids in tanks, and releasing cleaner end products. 

  7. Wastewater Recycling Project At Mumbai International Airport
    1/19/2016

    As a part of a massive expansion plan for Chhatrapati Shivaji International Airport located in Mumbai, India, a wastewater recycle project was contracted in 2011 to cater to the growing requirements of the expanded airport.

  8. Matt Brewing — Spent Hops Screening And Dewatering
    8/11/2014

    An internally fed rotary screen with wedgewire drum featuring 0.020” screen slot openings is applied to screen 900 GPM of brewery wastewater and remove spent hops while letting yeast pass through to reach the anaerobic digester.

  9. Clearing Up Misconceptions About Turbidimeter Performance And Calibration
    4/19/2018

    There is little doubt about the importance of taking turbidity readings as part of drinking water treatment. However, there are certain misperceptions about the associated requirements and procedures needed to confirm the validity of those readings. The major points of confusion seem to revolve around perception of the terms “approved,” “calibration,” and “validation.” Here is a quick synopsis on what you really need to know about meeting U.S. EPA Method 180.1: Determination of Turbidity by Nephelometry for accurate turbidity readings.

  10. Switch To Hybrid Blowers Offsets 68% Electrical Rate Increase For WWTP
    3/2/2016

    The Old Orchard Beach Wastewater Treatment Plant (WWTP) serves the town of Old Orchard Beach, Maine, a coastal resort community where the population swells from 9,000 year-round residents to 75,000 in late June through early August, when seasonal residents and day trippers descend for the peak summer months.