STUDI PERBANDINGAN EFEK FOTOKATALISIS Fe2O3-TiO2 HASIL EKSTRAKSI ILMENIT BANGKA DAN P-25 DEGUSSA UNTUK APLIKASI PENGOLAHAN LIMBAH CAIR TPA CILOWONG[The Photocatalytic Effect of P-25 Degussa and Fe2O3-TiO2 Derived from Bangka- Indonesia Ilmenite Extraction for Waste Water Treatment of Leachate on the Landfill Cilowong] - Latifa Hanum Lalasari; Akhmad Herman Yuwono; Firdiyono Firdiyono; Lia Andriyah; Elfi N; Sri Harjanto; Bambang Suharno (National Research and Innovation Agency (BRIN), 2012)