Ultrafiltration (UF) has been widely utilized for advanced water treatment; though, it cannot effectively remove natural organic matter (NOM) and heavy metals due to large pore sizes. Previous studies have proven that modified negatively charged membranes with larger spacer arm lengths have better removal of NOM. Also, heavy metal typically complexes with NOM when they are coexisted. Therefore, the goal of this project was to explore the possibility of using charged UF membrane for the effective simultaneous removal of NOM and heavy metal. Compared with the unmodified regenerated cellulose membranes (CRC), negatively charged CRC membranes with different spacer arm lengths were found to increase the rejections of NOM and heavy metal, and at the same time decreases the flux decline.

• This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.

Creator

• Nguyen, Uyen Ngoc Thao

Publisher

• Worcester Polytechnic Institute

Identifier

• E-project-012814-155000

Advisor

• Zhou, H Susan

Year

• 2014

Center

• Shanghai, China Project Center - MQP

Sponsor

• Shanghai Jiao Tong University

Date created

• 2014-01-28

Location

• Shanghai

Resource type

• Major Qualifying Project

Major

• Chemical Engineering

Rights statement

• In Copyright

Last modified

• 2020-12-27