HIDROKSI LAPIS GANDA Zn/Cr DAN Zn/Al SEBAGAI ADSORBEN ZAT WARNA CONGO RED

HANI, NYAYU UMMU and Lesbani, Aldes and Mohadi, Risfidian (2018) HIDROKSI LAPIS GANDA Zn/Cr DAN Zn/Al SEBAGAI ADSORBEN ZAT WARNA CONGO RED. Undergraduate thesis, Sriwijaya University.

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Abstract

Synthesis of layered double hydroxide Zn/Cr and Zn/Al with copresipitation has been done. The synthesis of layered double hydroxide materials Zn/Cr and Zn/Al was applied to adsorption pure congo red. Layered double hydroxide was characterized using spektrofotometer FT-IR and XRD. The result by using XRD characterization was showed the basal spasing of layered double hydroxide Zn/Al was 7.574 Ǻ at 11.674º and layered double hydroxide Zn/Cr has basal spasing 7.32 Ǻ at 12.09º. Characterization by using FT-IR showed that the spesific area of layered double hydroxide appears at 424.34 cm-1 from Zn-O vibration and 771.53 cm-1 from Al-O, 848.68 cm-1 showed Cr-O vibration. Pzc from layered double hydroxide Zn/Cr and Zn/Al was at pH 10. This showed that layered double hydroxide Zn/Cr and Zn/Al stable at pH 10. Layered double hydroxide Zn/Cr has adsorption rate 0.0375 g/mg minute, adsorption rate from layered double hydroxide Zn/Al is 0.0079 g/mg minute. The adsorption energy of Zn/Cr layered double hydroxide adsorbent was 86.599 kJ/mol and Zn/Al was 93.8376 kJ/mol at 70 oC.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Layered double hydroxide Zn/Cr and Zn/Al, adsorption, congo red
Subjects:	Q Science > QD Chemistry > QD241-441 Organic chemistry Q Science > QD Chemistry > QD450-801 Physical and theoretical chemistry Q Science > QD Chemistry > QD701-731 Photochemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Mrs Dies Meirita Sari
Date Deposited:	22 Aug 2019 04:32
Last Modified:	22 Aug 2019 04:32
URI:	http://repository.unsri.ac.id/id/eprint/4774

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