Ultrathin membranes for treating metal finishing effluents by reverse osmosis 

 - Washington :  U.S. Environmental Protection Agency,  1971 
 - ix, 92 p. :  ill. ;  29 cm. 
 - Water pollution control research series .
<br/><br/> Prepared for the Environmental Protection Agency 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metals--Finishing--Waste disposal<br/>Sewage--Purification--Reverse osmosis process
<br/><br/><label>Dewey Class. No.: </label>671.7