Drinan, Joanne. 4 0

Water and wastewater treatment : a guide for the nonengineering professional / 6 6 Joanne E. Drinan and Frank R. Spellman. - Second edition. - - xxi, 278 pages : illustrations 25 cm. - - - - - . - . - 0 . - . - 0 .

Includes bibliographical references and index.





5

















5





9781439854006 (hardback)

2 = =









2




2 --0------


6 --0-- 2 --------



0 2 --


--20------





Water;Sewage;Water treatment plants;Sewage disposal plants ----Purification.;Purification.;Management.;Management.------


--------20--


----2

/ 2

628.1 / D832w 20132

/

/