EKSTRAKSI SiO2 DARI AMPAS TEBU MENGGUNAKAN METODE HIDROTERMAL DAN METODE KALSINASI

KARVENIA, ICHA AULIA and Loekitowati, Poedji and Desnelli, Desnelli (2020) EKSTRAKSI SiO2 DARI AMPAS TEBU MENGGUNAKAN METODE HIDROTERMAL DAN METODE KALSINASI. Undergraduate thesis, Sriwijaya University.

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Abstract

Research on SiO2 extraction has been done from sugarcane bagasse using hydrothermal methods with variation NaOH concentration of 0.5; 1.0; 1.5; 2.0 M and calcination methods with temperature variation of 800, 900 and 1000ºC. Characterization of SiO2 extracted carriedovt using XRD analysis, FT-IR, and silica surface area calculation using the methylene blue adsorption method. The results of characterization using XRD showed that SiO2 was extracted by the appearance of a typical diffraction angle SiO2 at an angle of 2θ = 21-30. Extracted SiO2 has an amorphous phase at temperature 800ºC and SiO2 extracted by calcination method at temperature variation of 900º and 1000ºC which has a crystalline phase. The FT-IR spectrum showed that SiO2 by vibration of asymmetric stretching of Si-O from siloxane (Si-O-Si) at wave number 1067-1022 cm-1 and bending vibrations of siloxane groups (Si-O-Si) at wave number 597-501 cm-1. The surface area calculation using the methylene blue adsorption method showed that the largest surface area in the hydrothermal method was obtained at 2.0 M NaOH concentration with value at 16.0940 m2/g and calcination method it was obtained at temperature 800C with value 15.8422 m2/g. Based on the results, the best method used is the hydrothermal method with a variation of the higher NaOH 2.0 M. Key Words Citation : Sugarcane Bagasse, SiO2, Hydrothermal, Calcination, Extraction. : 66 (1978-2018

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Ampas Tebu, SiO2, Hidrotermal, Kalsinasi, Ekstraksi.
Subjects:	Q Science > QD Chemistry > QD71-142 Analytical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Users 9865 not found.
Date Deposited:	19 Jan 2021 02:38
Last Modified:	14 Feb 2023 02:49
URI:	http://repository.unsri.ac.id/id/eprint/40288

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