This slide presentation outlines a pilot testing study on pretreatment for seawater desalination. A case study located in Southeast Asia is outlined. Background information of the case study includes:
highly variable estuarial water;
three parallel pretreatment trains;
Zenon Ultrafiltration;
Norit Ultrafiltration;
two-stage granular media filtration;
coagulation and pH adjustment prior to
each pretreatment train; and,
each pretreatment system feeds three
parallel RO systems. GMF study objectives are listed, along with SDI and turbidity performance results for Zenon ultrafiltration, Norit ultrafiltration, and GMF, the GMF optimization test plan, jar testing coagulant aids, operating parameters, and coagulation results at pilot scale. Conclusions on
general impacts included:
increased chemical consumption;
increased solids loading onto the filters reduces
filter run times;
since re-bedding and coagulation changes, pretreatment
by GMF has demonstrated performance
comparable to ultrafiltration;
turbidity, SDI, iron levels;
additional operator attention and process
control may be needed compared with membranes; and,
sedimentation may assist performance
reliability. Includes tables, figures.
| Edition : | Vol. - No. |
| File Size : | 1
file
, 750 KB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 32 |
| Published : | 06/01/2006 |
