TY - JOUR AU - Putri, Rinda Anisyah AU - Hindryawati, Noor AU - Julia N. S., RR. Dirgarini PY - 2019/02/01 TI - MODIFIKASI SPENT BLEACHING EARTH DENGAN WO3 MELALUI PROSES PILARISASI UNTUK UJI FOTODEGRADASI ZAT WARNA METHYLENE BLUE JF - PROSIDING SEMINAR NASIONAL KIMIA; SEMINAR NASIONAL KIMIA 2018 KW - N2 - The Research on modification of Spent Bleaching Earth (SBE) with WO 3 has been studied through the process of pillarization for dye photodegradation test of Methylene Blue. This research start from the process of sample preparation, SBE activation using H 2 SO 4 , addition of rarasaponin on SBE, pillarization of WO 3 on SBE and photodegradation test. DSBE-WO 3 was characterized using X-Ray Flouresence (XRF) and X-Ray Diffraction (XRD). XRF analysis of DSBE-WO 3 showed an increase in SiO 2 composition after activation. The XRD pattern of DSBE-WO 3   showed the presence of a WO 3   peak. The optimum conditions  for photodegradation of methylene blue with DSBE-WO3 were obtained when the 0,02 g of DSBE-WO 3 , 60 minutes contact time and 100 ppm concentration of methylene blue were used with percent degradation of 95,18%.  Keywords : Spent Bleaching Earth, pillarization, WO 3 , Methylene Blue, photodegradation . UR - http://jurnal.kimia.fmipa.unmul.ac.id/index.php/prosiding/article/view/761