AWWA ACE69047

This powerpoint presentation begins by providing a brief overview of membrane filtration. Ceramic membranes are presented, focusing on process and structure. A comparison of ceramic vs. polymeric membranes is presented, along with a case study where a pilot study on Oyster Creek water, in the state of Texas, was conductedusing polymeric membranes.Ceramic membranes were evaluated on abench-scale test for the same source water.The experimental part of the ceramic membranestudy was conducted at McMasterUniversity. Background information includes the following: source water is high in organiccontent (6 to 8 mg/L of TOC, 350 to550 CPU of color) and high turbidity(200 to 600 NTU);experimental mode - cross flow anddead-end filtration;the membranes tested were 15 KDmolecular weight cut off; the fluxes tested ranged from 75 to120 gfd; and,polymeric membranes fluxes testedranged from 30 to 70 gfd. Presentation conclusions indicate the following: more robust and efficient in performance;no sedimentation tank and a rapid sand filterrequired and therefore, a small footprinttreatment plant;resistant to almost all oxidants and extremeoperation conditions including pressure,temperature and chemicals; and,high permeate flux recovery. Includes tables, figures.

Product Details

Edition:

Vol. - No.

Published:

11/01/2008

Number of Pages:

28

File Size:

1 file , 4.5 MB