Wastewater Treatment Case Studies and White Papers

  1. Aerobic Granular Biomass Technology: Recent Performance Data, Lessons Learnt And Retrofitting Conventional Treatment Infrastructure

    Aerobic granular sludge has been extensively researched over the last two decades as a part of the search for more sustainable wastewater treatment solutions. Conventional activated sludge (CAS) systems have key disadvantages such as slow settling flocculent biomass necessitating large clarifiers and low reactor biomass concentrations (typically 3-5 kgMLSS/m3), large treatment system footprints and relatively high system energy usage. It has been shown at the lab, pilot and the full scale that aerobic granular sludge has distinct advantages, when compared to CAS systems, including improved settling characteristics, which in turn allows for higher biomass concentrations and hence more compact treatment systems. 

  2. Wastewater Condition Changes: Timely Data, Timely Control

    As wastewater operations grapple with onerous costs and regulations, tools to constantly monitor waste stream conditions have become critical.

  3. Cardston’s Community Relationship Improves With Dewatering Technology Choice

    Cardston WWTP’s choice of a dewatering system to replace its belt press, Huber Technology Q-Press®, has a striking comparison to the plant’s previous technology in both the footprint and the attention it requires. The Cardston staff also noticed striking improvements in water separation, end-product dryness and offensive odor by-product.  Read more about how the Q-Press® helped Cardston become a better neighbor.

  4. Dual Stage Screening System Safeguards Largest MBRs In Chesapeake Bay Case Study

    Requirements to improve water quality forced the Borough of Mifflinburg to upgrade their facility  to meet regulatory limits for Total Nitrogen and Total Phosphorus. 

  5. FGD Purge Treatment In Coal-Fired Power Generation

    Stricter environmental policies and regulations worldwide are changing how industry approaches all aspects of business. Likewise, EU (European Union) environmental policies governing air, soil, and water quality have become progressively stringent.

    These policy changes affect the power industry’s balance of meeting growing European energy demands with compliance to environmental standards. In order to conform with EU standards specific for flue gas, a coalfired generation plant (at the time owned by Endesa, Italia, S.p.A.) in Monfalcone, Italy, undertook the measure of installing a state-of-the-art FGD (flue gas desulfurization) system at their facility. This system would remove SO2 (sulfur dioxide) from the emissions for the 336 MW coal-fired power station.

  6. Emergency Chlorine Scrubber Restoration Saves County Of Maui Over $100,000

    Read the full case study to learn how the County of Maui Department of Water and IMS determined that spent caustic used at the local wastewater treatment plant and the acid wash solution generated during the cleaning process could be neutralized on-site and disposed through the local wastewater treatment system.

  7. Filter Technology Saves Colorado Plant 50,000 GPD

    Combined with the installation of the new filter media and wash troughs, this particular type of underdrain and media retainer brought the water treatment plant’s operations up to speed.

  8. AquaSBR® System Achieves 96% BOD Removal At Rutter's Dairy

    Rutter's Dairy, located in York, Pennsylvania is operated as a pretreatment system prior to discharge to the municipal sewers. Before the installation of an AquaSBR system, Rutter's Dairy was discharging its wastewater directly to the municipality. Like many other food processors throughout the United States, Rutter's Dairy was assessed high municipal surcharges when wastewater BOD5 and TSS exceeded 300 mg/l

  9. Article: Triton Aerator/Mixer Saves Energy & Operational Costs & Reduces Carbon Footprint
    Municipal and industrial users tackle many wastewater treatment challenges at their facilities including meeting more stringent permit limits with limited or declining resources. The ideal solution for today’s professional is finding an innovative technology that offers a cost-effective, sustainable treatment solution that exemplifies environmental stewardship in the community.
  10. Fort Worth Turns A Liability Into An Asset

    Fort Worth Village Creek has gone far beyond managing its scum. The plant has implemented an efficient way to continuously skim the scum out of the channel flow and effectively process it through anaerobic co-digestion so that its resulting methane gas is useable. In short, the liability was turned into an asset.