O'Melia, Charles R., Polymeric inorganic coagulants / Prepared by Charles r. o'melia, kimberly a. gray and chonghua yao ; prepared for awwa research foundation - xvi, 91 páginas ISBN: 0898674883 Subjects--Topical Terms: Cloruro de aluminioAgua--Purificacion--CaogulacionCloruro ferrico LC Class. No.: TD455 / O54