Gutcho, Sidney. <br/><br/>
Waste treatment with polyelectrolytes and other flocculants / 
Sidney Gutcho. 
 - Park Ridge, N.J. :  Noyes Data Corporation,  1977. 
 - xi, 274 pages :  illustrations ;  25 cm. 
 - Pollution technology review  no. 31. .
<br/><br/><label>ISBN: </label>0815506481 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Flocculation--Patents.<br/>Polyelectrolytes--Patents.