RESEARCH ARTICLE Vol. 23 (1) April 2011, p. 999-1004 REGENERATION AND CHARACTERIZATION OF SPENT BLEACHING CLAY NUR SULIHATIMARSYILA Abd Wafti * ; CHEAH Kien Yoo ** ; SIEW Wai Lin * ; THOMAS CHONG Shean Yaw ‡ ; LUQMAN CHUAH Abdullah ‡ FULL TEXT | DOWNLOAD PDF