SINTESIS KOMPOSIT KITOSAN-AL2O3 DENGAN METODE SOL-GEL DAN APLIKASINYA PADA FOTODEGRADASI METILEN BIRU

PADILLAH, IPRO HATI and Said, Muhammad and Desnelli, Desnelli (2022) SINTESIS KOMPOSIT KITOSAN-AL2O3 DENGAN METODE SOL-GEL DAN APLIKASINYA PADA FOTODEGRADASI METILEN BIRU. Undergraduate thesis, Sriwijaya University.

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Abstract

The research on synthesis of composites Kitosan-Al2O3 by the sol-gel methodfor photodegradation of methylene blue has been carriedout.Chitosan-Al2O3 varied by mass ratios (1:1), (1:2) and (1:3). The product were characterized using XRD, UV-DRS and SEM-EDS. The Chitosan-Al2O3 (1:1) composite was chosen as a material for degrading methylene blueby various condition, i.e., effect of pH, contact time and initial concentration of methylene blue.The result of characterization using XRD showed crystal size the Chitosan-Al2O3 (1:1) composites result were 3,17 nm.UV-DRS characterization, The band gap energy is 1,35eV. The morphological condition by SEM of Chitosan-Al2O3 ratio (1:1) showed a spherical shape with a small size, and a porous surface the constituent elements C (4.93%), O (33.31%), Na (13.92%), Al (45.59%) dan Zn (2.24%).The degradation process showed the effective condition were pH 10 and contact time of 200 minutes. The optimum concentration of methylene blue at 20 ppm with percent effectivity of concentration reduction methylene blue i.e. 79.35% and the result of TOC analysis i.e. 22,36%.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Komposit, Kitosan-Al2O3, Fotodegradasi, Metilen biru, H2O2
Subjects:	Q Science > QD Chemistry > QD450-801 Physical and theoretical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Ipro Hati Padillah
Date Deposited:	28 Mar 2022 03:24
Last Modified:	28 Mar 2022 03:24
URI:	http://repository.unsri.ac.id/id/eprint/67214

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