An electrochemical method for removal of phosphates from waste waters / 
United States Department of Interior 
 - Washington :  The Departement,  1970 
 - iv, 47 p. :  ill. ;  28 cm. 
 - Water pollution control research series .
<br/><br/> Prepared for the Federal Water Quality Administration, Dept. of the Interior, under contract 14-12-405 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Ion exchange process<br/>Sewage--Purification--Phosphate removal
<br/><br/><label>Dewey Class. No.: </label>628.3