RESEARCH ARTICLE Vol. 23 (1) April 2011, p. 1005-1010 DEOILING EFFICIENCY FOR OIL EXTRACTION FROM SPENT BLEACHING CLAY AND THE QUALITY OF RECOVERED OIL NUR SULIHATIMARSYILA Abd Wafti * ; CHEAH Kien Yoo ** ; SIEW Wai Lin * ; THOMAS CHONG Shean Yaw ‡ ; LUQMAN CHUAH Abdullah ‡ FULL TEXT | DOWNLOAD PDF