SINTESIS ZnO/MCM-41 SECARA SONOKIMIA UNTUK FOTODEGRADASI ZAT WARNA METILEN BIRU
| Main Authors: | , RISSA LAILA VIFTA, , Dr. Sutarno, M.Si. |
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| Format: | Thesis NonPeerReviewed |
| Terbitan: |
[Yogyakarta] : Universitas Gadjah Mada
, 2014
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| Subjects: | |
| Online Access: |
https://repository.ugm.ac.id/130607/ http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=71033 |
Daftar Isi:
- Synthesis of ZnO/MCM-41 by sonochemical method for photodegradation of methylene blue dye has been attempted. The aim of the research was (i) to see the effects of sonochemical method on the characteristic of MCM-41, (ii) to find out the effects of Zn percentage on characteristic of ZnO/MCM-41, and (iii) to find out the photocatalytic activity of ZnO/MCM-41 for degradation of methylene blue dye. In this research, MCM-41 was synthesized by sonochemical method while ZnO-MCM-41 was prepared by post synthesis method. All of the products were characterized by IR, XRD, isotherm adsorption desorption N2, TEM, and DR-UV, then applied for photodegradation of methylene blue dye. The result showed that the optimum synthesis of MCM-41 was obtained with sonication time of 3 hours and percentage of Zn 36%. MCM-41 showed higher surface area and pore size than ZnO/MCM-41 that was 894.7 m2/g dan 31.42 � while ZnO/MCM-41 was 808.4 m2/g dan 26.5 �. ZnO/MCM-41 had wavelength absorption at 325 nm with energy gap of 3.81 eV. The optimum condition of methylene blue degradation on as-synthesized ZnO/MCM41 was obtained at optimum time of 60 minutes even with and without UV radiation where the degradation percentage was 72.94 and 58.46%, respectively. Keywords: Sonochemical, MCM-41, ZnO/MCM-41, degradation, methylene blue