The Long Beach Water Department (LBWD), similar to many Southern California
utilities, has been facing the issue of decreased potable water supplies. Because
of its location, the City of Long Beach is ideally situated to take advantage of
desalinated seawater as a source of drinking water and is interested in
incorporating desalinated seawater into its potable water portfolio. However,
before seawater desalination can become a reality, additional advances are
needed to further reduce the cost of desalination. LBWD is currently exploring
feasibility of using nanofiltration membranes (NF) in a dual-pass configuration to
evaluate the possibility of achieving additional cost reduction as well as meeting
all water quality objectives. To provide clear and quantifiable answers to water quality and O&M questions
related to the traditional seawater reverse osmosis (SWRO) versus dual-pass nanofiltration process, LBWD
has formulated an aggressive research program and constructed a 300,000
gallons per day permeate "Prototype" research facility using full-scale equipment.
This paper presents LBWD's preliminary evaluation of SWRO and initial
comparisons against dual-pass nanofiltration. Includes 11 references, tables, figures.
| Edition : | Vol. - No. |
| File Size : | 1
file
, 330 KB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 14 |
| Published : | 03/01/2007 |
