SINTESIS HIDROKSI LAPIS GANDA Mg/Al TERPILAR K4[α-SiW12O40].nH2O DAN APLIKASINYA SEBAGAI ADSORBEN ZAT WARNA METILEN BIRU

MASYARA, ZANA and Lesbani, Aldes and Mohadi, Risfidin (2018) SINTESIS HIDROKSI LAPIS GANDA Mg/Al TERPILAR K4[α-SiW12O40].nH2O DAN APLIKASINYA SEBAGAI ADSORBEN ZAT WARNA METILEN BIRU. Undergraduate thesis, Sriwijaya University.

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Abstract

It has been done synthethis of layered double hydroxide and polyoxometalate K4[α-SiW12O40]•nH2O compound with time ratio 3, 6, 9, 12, 24, 36 and 48 hours. The pillared product was characterized by FT-IR spectrophotometer and XRD. The optimum pillared layered double hydroxide of polyoxometalate K4[α-SiW12O40]•nH2O compound was used as adsorbent of methylene blue dye. The result of characterization using FT-IR spechtrophotometer was not yet show the optimum pillaration process. The characteritation using XRD the successfully of pillared layered double hydroxide of polyoxometalate K4[α-SiW12O40]•nH2O compound by the existence of diffraction angle 8.5o with intensity 353.5. Furthermore, the pillared layered double hydroxide of polyoxometalate K4[α-SiW12O40]•nH2O with time variation of 12 hours was applied as an adsorbent of methylene blue dye, and it showed the adsorption rate 102.04 (minutes-1). The entalphy (ΔH) and entrophy (ΔS), decreased as the increasing consentration of methylene blue dye.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Layered double hydroxide, polyoxometalate, pillaration, methylene blue, adsorption
Subjects:	Q Science > QD Chemistry > QD1-999 Chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Mrs Kharisma Afrianti
Date Deposited:	11 Sep 2019 02:46
Last Modified:	11 Sep 2019 02:46
URI:	http://repository.unsri.ac.id/id/eprint/7021

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