Edzwald, James K. <br/><br/>
Dissolved air flotation for water clarification / 
James K. Edzwald, Johannes Haarhoff. 
 - Denver, CO :  American Water Works Association,  c2012. 
 - 1 v. (various pagings) :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780071745628 0071745629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification--Dissolved air flotation.