ANALISIS SINTESIS NANOSILIKA BERBAHAN DASAR LIMBAH KAOLIN MENGGUNAKAN METODE PENGGILINGAN DENGAN VARIASI DURASI WAKTU

FAKRI, HANAFI and Usman, Arie Putra (2024) ANALISIS SINTESIS NANOSILIKA BERBAHAN DASAR LIMBAH KAOLIN MENGGUNAKAN METODE PENGGILINGAN DENGAN VARIASI DURASI WAKTU. Undergraduate thesis, Sriwijaya University.

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Abstract

Nanosilica is silica with a nanoscale size ranging from 1 to 100 nm, which serves to enhance the compressive strength of concrete. Nanosilica can be synthesized from kaolin waste. The materials used in this study include kaolin and a high-energy milling machine as a milling tool. The research applied variations in milling duration for 2, 3, and 4 hours. Microstructural testing methods, including X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), and Scanning Electron Microscope (SEM), were utilized to analyze the extracted products. The results indicated that prolonged milling time leads to increased crystal size and percentage, while reducing silica content in the samples. Based on the tests, the optimum milling time for the synthesis process was found to be 4 hours, producing an average crystal size of 13.9 nm with 31.36% crystallinity and 68.63% amorphous content. However, the highest pure silica content was achieved with 2 hours of milling, amounting to approximately 52%.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Nanosilika, kaolin, XRD, XRF, SEM
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials > TA418.9.N35.W365 Nanostructured materials--Thermal properties. Heat--Transmission. TECHNOLOGY & ENGINEERING / Nanotechnology & MEMS.
Divisions:	03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User:	Fakri Hanafi
Date Deposited:	13 Jan 2025 03:06
Last Modified:	13 Jan 2025 03:06
URI:	http://repository.unsri.ac.id/id/eprint/163871

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