Zinc precipitition and recovery from viscose rayon waste water / 
United States, Department of Central Engineering 
 - Washington, D.C. :  The Department,  1971 
 - 147 p. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Reverse osmosis process<br/>Saline water conversion--Distillation process
<br/><br/><label>Dewey Class. No.: </label>628.167