Coagulation with only rapid mixing in a separate tank (ordinary coagulation) and coagulation with no mixing tank (in-line coagulation) were applied prior to ultrafiltration with an inside-out type hollow fiber membrane. In result the filterability at the former conditions was superior in both the crossflow and dead-end modes. Thus the relative importance of the removal rate of DOMs was investigated. Precoating the surface of the membranes with metal hydroxide particles of coagulants was also examined. This method of utilizing coagulants resulted in a smaller consumption of coagulant in the coagulation-UF system.
Bibliographical noteFunding Information:
The authorsw ould like to thank the Korean Ministry of Environmnetf or the financial support underg rant1 1104-002A.q uasourceS .A., Toulouse, France,i s acknowledgedfo r providingh ollow fiber membranes.
All Science Journal Classification (ASJC) codes
- Chemical Engineering(all)
- Materials Science(all)
- Water Science and Technology
- Mechanical Engineering