Reynolds, Tom D. <br/><br/>
Unit operations and processes in environmental engineering / 
by Tom D. Reynolds, Paul A. Richards. 
 - 2nd ed. 
 - Boston, Mass. :  PWS,  1996. 
 - xvi, 798 p. 
 - PWS Series in Engineering. .
<br/><br/> Includes bibliographical references and index.  Contents : Chemical concepts--Biological concepts--Coagulation and flocculation. 
<br/><br/><label>ISBN: </label>0534948847 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification.<br/>Sewage--Purification.<br/>Water--Purification--Problems, exercises, etc.<br/>Sewage--Purification--Problems, exercieses, etc.