| Main Title |
Ultrafiltrative Dewatering of Spent Powdered Carbon. |
| Author |
Desaulnier, C. W. ;
Hausslei, R. W. ;
|
| CORP Author |
Amicon Corp., Lexington, Mass. |
| Year Published |
1970 |
| Report Number |
FWQA-17020-DBA; 05158,; 17020 DBA 03/70 |
| Stock Number |
PB-197 865 |
| Additional Subjects |
( Activated carbon treatment ;
Filtration) ;
( Sewage treatment ;
Activated carbon treatment) ;
( Activated carbon ;
Dewatering) ;
Membranes ;
Powder(Particles) ;
Cost estimates ;
Flocculants ;
Sedimentation ;
Slurries ;
Polyelectrolytes ;
Ultrafiltration
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB-197 865 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
76p |
| Abstract |
Spent powdered activated carbon from secondary effluent treatment has been successfully dewatered by continuous membrane ultrafiltration. 5 and 10% carbon solids concentration slurries, using a laboratory size thin channel (0.1 sq ft membrane area), have been dewatered by continuous ultrafiltration to solids levels of 25 to 30%. Dewatering rates ranged between 50 and 100 gal/sq ft day at transmembrane pressures of from 10 to 50 psi during runs as long as 9 days, and product water was invariably free of any suspended carbon solids. The cost of membrane ultrafiltration depends upon the membrane life, and at membrane flux rates of 50 gal/sq ft day the cost of dewatering carbon from 10 to 20% solids is $0.0015 per pound of carbon with a membrane life of six months, and $0.0035 per pound with a membrane life of only one month. At the present no conclusive data on membrane life is available, but estimates of between 1 and 6 months are quite common and seen to be reasonable. (WRSIC abstract) |
| Supplementary Notes |
Paper copy available from SOD: $0.70 as I67.12/4:ORD17020DBA03/70. |
| NTIS Title Notes |
Water pollution control research series. |
| PUB Date Free Form |
Mar 70, |
| Category Codes |
13B; 68D |
| NTIS Prices |
PC-SOD/MF A01-NTIS |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
326516667 |
| Origin |
NTIS |
| Type |
CAT |
