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Optimizing Biofiltration Conditions for Manganese Control in North Texas Water Treatment

This presentation outlines a collaborative project between the Water Research Foundation, Trinity River Authority, Carollo Engineers, and the University of Texas aimed at optimizing manganese control during the conversion to biofiltration at the Tarrant County Water Supply Project. Discussion includes project background, biological filtration strategies, acclimation processes, and the summary of pilot-scale biofilter tests for enhancement strategies. This nine-month pilot study seeks to improve water treatment efficiency and stability while ensuring compliance with water quality standards.

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Optimizing Biofiltration Conditions for Manganese Control in North Texas Water Treatment

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Presentation Transcript

  1. Water Research Foundation Tailored Collaboration # 4448 Optimizing Filter Conditions for Manganese Control During Conversion to Biofiltration North Texas Chapter TAWWA Meeting August 22, 2013 Greg Pope Gary Smith Chance Lauderdale Kara Scheitlin John Zwerneman Mary Jo Kirisits

  2. The discussed project includes the combined efforts of multiple partners • The Water Research Foundation • Trinity River Authority (Project Sponsor) • Carollo Engineers • The University of Texas • A Project Advisory Committee includes staff from - • Virginia Tech • US EPA • University of Illinois • American Water

  3. The presentation objectives outline project purpose Tarrant Country Water Supply Project (TCWSP) background and Mn history Remaining studies and future work Review of biological filtration enhancement strategies Evaluate Conversion to Biofiltration at TRA Emphasis on Acclimation and Manganese Removal Study summary and preliminary conclusions Media characterization and microbial Tracking Pilot-scale biofilter testing of selected enhancement strategies

  4. Tarrant Country Water Supply Project background and Mn history

  5. TRA Basin-Wide Facilities/Projects

  6. Lake Arlington Raw Water Intakes

  7. Manganese Concentration (mg/L)

  8. Winner of the 2013 Best Tasting Water Contest at TWUA NCTRS

  9. TRA-TCWSP Plant

  10. The TCWSP process includes ozonation and conventional process NaOH, Ammonia Alum Ozone Chlorine Polymer BWW Raw Water Effluent Clearwell Ozonation BW Flocculation/Sedimentation Filtration

  11. The process will convert to biofiltration for improved T&O removal and finished water stability NaOH, Ammonia Alum Ozone Chlorine Polymer BWW Raw Water Effluent Clearwell Ozonation BW Flocculation/Sedimentation Biofiltration TRA, Carollo, and the WaterRF are seeking to optimize the conversion process in a 9-month pilot study focused on biofilter enhancement

  12. Pilot Study Basics

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