| Main Title |
Demineralization of sand-filtered secondary effluent by spiral-wound reverse osmosis process / |
| Author |
Chen, Ching-lin. ;
Miele., Robert P.
|
| Other Authors |
|
| CORP Author |
Los Angeles County Sanitation District, Whittier, Calif.;Municipal Environmental Research Lab., Cincinnati, Ohio. |
| Publisher |
Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory ; For sale by the National Technical Information Service, |
| Year Published |
1977 |
| Report Number |
EPA-600/2-77-169; DI-14-12-150 |
| Stock Number |
PB-272 701 |
| OCLC Number |
35264088 |
| Subjects |
Sewage--Purification--Reverse osmosis process ;
Water--Purification--Reverse osmosis process ;
Water treatment plants--United States ;
Saline water conversion--Ion exchange process
|
| Additional Subjects |
Sand filtration ;
Demineralization ;
Sewage treatment ;
Pilot plants ;
Performance evaluation ;
Desalting ;
Cost analysis ;
Flux(Rate) ;
Membranes ;
Design criteria ;
Life(Durability) ;
Reverse osmosis ;
Brines ;
Reverse osmosis membranes ;
Desalination plant(1-10 MGD) ;
Spiral wound membranes ;
Pomona(California)
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EJBD |
EPA 600-2-77-169 |
|
Headquarters Library/Washington,DC |
11/03/2015 |
| ELBD ARCHIVE |
EPA 600-2-77-169 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| ELBD RPS |
EPA 600-2-77-169 |
repository copy |
AWBERC Library/Cincinnati,OH |
09/08/2020 |
| ESAD |
EPA 600-2-77-169 |
|
Region 10 Library/Seattle,WA |
03/23/2010 |
| NTIS |
PB-272 701 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
viii, 37 pages : illustrations ; 28 cm. |
| Abstract |
A 22.7 cu m/day (6,000 gallons/day) spiral-wound reverse osmosis pilot plant, was operated at the Pomona Advanced Wastewater Treatment Research Facility on the sand-filtered secondary effluent. The pilot plant study was conducted under optimum operating conditions based on previous studies. During the first year of operation, all the system performance parameters, such as salt rejection, water recovery, and product water flux rate, were only slightly decreased from their initial values. However, the salt rejection and product water flux rate were substantially reduced to almost half of their initial values after a two year operation period. During this same two year period, the water recovery was found to decline about 15 per cent of its initial value. A cost estimate for a 37,850 cu m/day (10 MGD) plant for August, 1973 cost figures indicated that for membranes with only one-year life the process cost was about 16.5 cents/1,000 liters (63.5 cents/1000 gallons). However, the cost could be substantially reduced to 12.4 cents/1,000 liters (47.5 cents/1,000 gallons) for membranes with two-year life. Both cost estimates did not include the costs for sand filtration pretreatment and brine disposal. |
| Notes |
Contract no. 14-12-150. "September 1977." Includes bibliographical references (page 37). |
