1 / 17

Applying Advanced Water Treatment Technology in the Largest Facility in North America

Applying Advanced Water Treatment Technology in the Largest Facility in North America. Chad Hill, Vice President – Black & Veatch. Cryptosporidium. Giardia. Virus. Algae. Bacteria. The Enemies …. National Focus Shifts to Water. 1993 - Cryptosporidium outbreak in Milwaukee

loki
Download Presentation

Applying Advanced Water Treatment Technology in the Largest Facility in North America

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Applying Advanced Water Treatment Technology in the Largest Facility in North America Chad Hill, Vice President – Black & Veatch

  2. Cryptosporidium Giardia Virus Algae Bacteria The Enemies … Page - 2

  3. National Focus Shifts to Water • 1993 - Cryptosporidium outbreak in Milwaukee • 403,000 illnesses • Estimated 100+ deaths • 25 lawsuits, continuing over 6 years ($millions) • They never violated any drinking water standards. • Data Source: New England Journal of Medicine, July 21, 1994, Vol. 331, No. 3, pp 161-167. Page - 3

  4. Page - 4

  5. Time Had Come to Reinvest in Water Utility • 1900’s facilities ready for retirement • 1994 - Wide-scale "Study" of treatment plants began at Minneapolis • 1994 – 1999 Studies found: • Watershed is much more vulnerable to “Crypto” than Milwaukee • Recommended 99.9999% removal (6.0 LRV) to address the risk (note: later EPA regulations are less stringent) • "Microsporidium" found (elsewhere) even smaller than "Crypto" Page - 5

  6. Module Divisions for even flow distribution Highly porous membrane By-pass tubes Solution - Ultrafiltration Membranes Page - 6

  7. How to Sell a $160M Program • Sincere and prudent approach • Gain grass roots support • Public Health officials • Academia • Citizen advocacy groups • Regulators • Work closely and often with Council and Mayor Page - 7

  8. MIX / COAG. / FLOC. / SETTLE SOFTENING 75 MG RECARBONATION RESERVOIR ULTRAFILTRATION RESERVOIR SAND FILTERS MWW Treatment System BYPASS Mississippi RIVER TO DISTRIBUTION Page - 8

  9. Ultrafiltration Equipment Page - 9

  10. The Numbers • 377 square feet of Membrane surface per module (about 9,600 fibers per module) • 4 modules per vessel • 28 vessels per UF Unit • 40 UF Units • 1,688,960 sq. feet of Membrane Area • 43,008,000 = total number of fibers Page - 10

  11. Page - 11

  12. Page - 12

  13. Page - 13

  14. Page - 14

  15. Page - 15

  16. How Much Did it Cost? • Ultrafiltration equipment • $17 Million • Building, installation ancillary plant • $ 36 Million Page - 16

  17. Acknowledgements • Adam J. Kramer, P.E. • Director of Water Works (Retired 6/3/05) • Shahin Rezania, P.E. • Interim Director of Water Works • Dale Folen, P.E. • Project Manager • Annika Bankston, P.E. • Project Engineer, Membrane Specialist • Dozens of other City Employees • 100+ Black & Veatch Staff Page - 17

More Related