1 / 28

WATER TREATMENT: FILTRATION – cont’d

WATER TREATMENT: FILTRATION – cont’d. CE326 Principles of Environmental Engineering Iowa State University Department of Civil, Construction and Environmental Engineering Tim Ellis, Ph.D., P.E., Associate Professor March 9, 2009. Announcements.

finna
Download Presentation

WATER TREATMENT: FILTRATION – cont’d

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. WATER TREATMENT: FILTRATION – cont’d CE326 Principles of Environmental Engineering Iowa State University Department of Civil, Construction and Environmental Engineering Tim Ellis, Ph.D., P.E., Associate Professor March 9, 2009

  2. Announcements • Wednesday field trip to Ames Water Plant http://www.ameshistoricalsociety.org/exhibits/civic/waterworks1.htm • Meet at the plant at half past the hour of scheduled lab time (10:30 and 2:30) • Bring photo id’s • No cameras, cell phones or backpacks allowed • 2nd exam scheduled for Friday, March 27th - we’ll have a review during the lab class on Wednesday, March 25th

  3. Public Health Effects of Filtration

  4. Number of waterborne disease outbreaks in U.S.

  5. Bachwash Efficiency • 24 nozzles/ft2 or 268 nozzles/m2 - good • 5 nozzles/ft2 or 55 nozzles/m2 - acceptable • < 4 nozzles/ft2 or 40 nozzles/m2 – large dead zones 5

  6. Automatic Backwash Filter

  7. Automatic Backwash Filter

  8. Backwashing Calculations

  9. Backwashing Calculations

  10. Backwashing Calculations

  11. Backwashing Calculations

  12. first elevated steel water tank west of the Mississippi River • erected in 1897 under the supervision and design of Anson Marston • constructed due to a severe water shortage in 1895 that required cancellation of classes • tank holds 162,000 US gallons • 1978, the water tower was disconnected when the university switched to municipal water

  13. Water Towers, 1951-1970, Water District No. 54Located on the north side of the Des Moines Field House, near the current skateboard park

  14. http://www.ameshistoricalsociety.org/exhibits/civic/waterworks1.htmhttp://www.ameshistoricalsociety.org/exhibits/civic/waterworks1.htm

  15. Stanton, Iowa - 96 feet tall. - holds 2,400,000 cups of coffee (150,000 gals.)  - completed in time for Homecoming 2000.  Hollywood screen and TV personality Virginia Christine, "Mrs. Olson" of coffee commercial fame, was one of Stanton's famous daughters. At the time of our centennial in 1970, Virginia came home to be our parade marshal. During the celebration she served coffee to the public. Stanton's water tower was converted to a giant Swedish coffeepot the following year.

  16. Atlanta, Illinois Helm, California Adair, Iowa Ironwood, Michigan Markle, Indiana

More Related