ANALISIS KANDUNGAN NANOSILIKA BERBAHAN DASAR LIMBAH ABU CANGKANG SAWIT MENGGUNAKAN METODE PRESIPITASI DENGAN VARIASI WAKTU PENGERINGAN

SENDANI, DEWI and Usman, Arie Putra (2025) ANALISIS KANDUNGAN NANOSILIKA BERBAHAN DASAR LIMBAH ABU CANGKANG SAWIT MENGGUNAKAN METODE PRESIPITASI DENGAN VARIASI WAKTU PENGERINGAN. Undergraduate thesis, Sriwijaya University.

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Abstract

Nanosilica is a nano-sized silica material ranging from 1 to 100 nm in size and serves to enhance the compressive strength of concrete. Nanosilica can be produced through a synthesis process from kaolin. The materials used in this study include palm kernel shell ash waste and a magnetic stirrer as the mixing tool. This study employed drying times of 6 hours, 12 hours, and 24 hours. In this study, microstructural testing was used to analyze the extraction results, including X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), and Scanning Electron Microscope (SEM). From the XRD test results, it can be concluded that the longer the drying time, the more the amorphous structure begins to transform into a crystalline structure. From the XRF and SEM test results, it can be concluded that the 12-hour drying time variation produced the highest silica content of ± 39.606%, with a crystal size of 0.89756 nm, 0.897% crystalline, and 82.97% amorphous.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Teknik Sipil
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials > TA418.9.C6.B538 Composite materials. Polymeric composites. Fibrous composites. Biomass chemicals. TECHNOLOGY & ENGINEERING / Material Science. SCIENCE / Chemistry / General
Divisions:	03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User:	Dewi Sendani
Date Deposited:	19 Jun 2025 07:37
Last Modified:	19 Jun 2025 07:37
URI:	http://repository.unsri.ac.id/id/eprint/175789

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