ANALISIS HASIL SINTESIS NANOSILIKA BERBAHAN DASAR FLY ASH MENGGUNAKAN METODE HIDROTERMAL DENGAN VARIASI DURASI PEMANASAN

MAHARANI, ZAKIAH DWI and Usman, Arie Putra (2024) ANALISIS HASIL SINTESIS NANOSILIKA BERBAHAN DASAR FLY ASH MENGGUNAKAN METODE HIDROTERMAL DENGAN VARIASI DURASI PEMANASAN. Undergraduate thesis, Sriwijaya University.

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Abstract

Fly ash is the remaining ash from coal combustion. Silica in fly ash can be used to increase the compressive strength of concrete. Quality nanosilica can be produced by the synthesis process from fly ash waste. The materials used in this study were fly ash, HCl solution, NaOH, distilled water, and kangen water. These materials will be synthesized using the hydrothermal method. This study used variations in heating duration, namely 10 hours, 12 hours, and 14 hours. This study used microstructure testing to analyze the synthesis results in the form of X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), and Scanning Electron Microscope (SEM). From the results of the XRD test, it can be concluded that the longer the heating duration, the smaller the size and the greater the percentage of amorphous. From the results of the XRF and SEM tests, it was concluded that the longer the heating duration would produce the greatest amount of silica. Based on the test, it was obtained that the optimum combustion temperature in the synthesis process was 14 hours which produced a silica purity of ±54% and a crystal size of 22.59 nm with crystalline as much as 2.17% and amorphous as much as 97.82%.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Nanosilika, Fly Ash, Sintesis, Metode Hidrotermal, Pemanasan, XRD, XRF, SEM
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA1-2040 Engineering (General). Civil engineering (General) > TA145 General works. Civil engineering, etc. 1850- T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials > TA401.A327 Materials science
Divisions:	03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User:	Zakiah Dwi Maharani
Date Deposited:	09 Jan 2025 04:05
Last Modified:	09 Jan 2025 04:05
URI:	http://repository.unsri.ac.id/id/eprint/163280

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