TY - CONF T1 - CHLOROPHYLL REMOVAL FROM OIL USING CLAYS AND PILLARED CLAYS JO - ION EXCHANGE PROCESSES : ADVANCES AND APPLICATIONS PY - 1993/01/01 AU - MOKAYA R AU - JONES W ED - VL - 122 SP - 231 EP - 241 Y2 - 2025/03/10 ER -