Main Title |
Electrochemical Method for Removal of Phosphates from Waste Waters. |
Author |
Sade, Shafik E. ;
|
CORP Author |
Dynatech Corp., Cambridge, Mass. |
Year Published |
1970 |
Report Number |
DI-14-12-405; FWQA-17010; 17010-02/70; |
Stock Number |
PB-218 416 |
Additional Subjects |
( Electrolytic cells ;
Chemical removal(Sewage treatment)) ;
( Sewage treatment ;
Electrolytic cells) ;
( Phosphorus ;
Chemical removal(Sewage treatment)) ;
Detergents ;
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-218 416 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
53p |
Abstract |
Phosphates in waste water may be removed electrochemically utilizing sacrificial electrodes. The electrode metal is first dissolved by the flow of current then precipitates out, removing from solution the phosphate ions. This removal is either dependent on chemical reaction of the metal cation and the phosphate anions or, possibly, on the adsorption of the phosphate by the metal hydroxide floc. Data on the phosphate removal was gathered using both aluminum and iron electrodes. Essentially complete removal was found to occur on using 300 coulombs/liter of charge flow with normal phosphate concentrations for both types of electrodes. Treatment costs (excluding labor and filtration) have been estimated when using iron and aluminum electrodes respectively. Exploratory tests indicated that flotation by means of the hydrogen generated during the electrolysis may be used to remove suspended solids from raw sewage while phosphates are being removed. (Author Modified Abstract) |
Supplementary Notes |
Paper copy available from GPO $0.50 as stock no. I67.1314:17010-02/70. |
NTIS Title Notes |
Water pollution control research series. |
PUB Date Free Form |
Feb 70, |
Category Codes |
13B; 68D |
NTIS Prices |
PC-GPO/MF A01-NTIS |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
326559264 |
Origin |
NTIS |
Type |
CAT |