This powerpoint presentation presents alternatives for plant expansion, including:
Expand Flocculation/Sedimentation
(F/S) Basins and Add Filters;
Upgrade Existing F/S Basins and
Expand with Pressure Membranes; and,
Upgrade Existing F/S Basins and
Expand with Submerged Membranes. The Submerged Membrane alternative was selected because: it is the
best use of existing
infrastructure;
lowest life-cycle costs;
best planning for future
regulatory impacts; and,
compatible with existing
treatment processes. Submerged membrane design, schematic layout, pretreatment-flocculation basin, pretreatment - rapid mix and
screening are presented. Important factors for submerged
membrane retrofit include:
confirm depth of filter box for membrane rack;
confirm space available in gallery for piping
and pumps;
determine inlet channel/piping hydraulics;
determine best option for backwash and
CIP waste disposal; and,
check compatibility of chemicals with
membranes. Membrane and filter side by side
operating issues, solution - feed channel (short term), solutions-backwash waste sump, commissioning data, operating data, operations information after 18 months, unexpected results of adding membranes, and benefits of operating membranes and
conventional filters are all presented. Includes tables, figures.
| Edition : | Vol. - No. |
| File Size : | 1
file
, 1.8 MB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 31 |
| Published : | 11/01/2009 |
