IMPREGNASI KAOLIN (2Al2O3.2SiO2.2H2O) DENGAN SELULOSA DAN APLIKASINYA SEBAGAI ADSORBEN ZAT WARNA CONGO RED

GINTING, SANTA OKTAVIA and Mohadi, Risfidian and Lesbani, Aldes (2017) IMPREGNASI KAOLIN (2Al2O3.2SiO2.2H2O) DENGAN SELULOSA DAN APLIKASINYA SEBAGAI ADSORBEN ZAT WARNA CONGO RED. Undergraduate thesis, Sriwijaya University.

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Abstract

Cellulose impregnation process extracted from rubber wood fibers and kaolin have been done. The result of impregnated cellulose-kaolin was characterized using FT-IR spectrophotometer. Furthermore, the impregnation results are used as adsorbent of congo red. Adsorption of congo red has been studied through kinetic and thermodynamic parameters. The result of characterization using FT-IR spectrophotometer shows the of impregnation process was succesfully conducted which was indicated from wavenumber at 910.4 cm-1 to 918.12 cm-1 and 1033.85 cm-1 become 1026.13 cm-1 and the existance of vibration at wavenumber 2931.8 cm-1. pH of adsorption was adjusted to 4 before adsorption process. The adsorption process of cellulose impregnated kaolin shows the rate of adsorption (k) of 0.002 min-1, the largest adsoption capacity (b) at 50 oC at 500 mol /g. The greatest adsorption (E) energy at 40 °C is 11.09 kJ / mol. The enthalpy value (ΔH) and entropy (ΔS) decreased with increasing congo red dye concentration.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	kaolin, cellulose, impregnation, adsorption, congo red
Subjects:	Q Science > QD Chemistry > QD1-999 Chemistry Q Science > QD Chemistry > QD450-801 Physical and theoretical chemistry Q Science > QD Chemistry > QD71-142 Analytical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Mrs Dies Meirita Sari
Date Deposited:	04 Dec 2019 04:56
Last Modified:	04 Dec 2019 04:56
URI:	http://repository.unsri.ac.id/id/eprint/19904

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