Bunga Fisikanta Bukit, Erna Frida, Syahrul Humaidi, Perdinan Sinuhaji, Nurdin Bukit
Several studies have synthesized silica from waste. The silica synthesis method from agricultural waste aims to produce high purity silica with low contaminants at an affordable cost. This study synthesized silica from oil palm boiler ash (OPBA) by means of various methods, such as ball milling, coprecipitation, and modification with methyl trichlorosilane (MTCS). XRD characterization results showed that the OPBA synthesized with ballmill and coprecipitation method has the smallest particle size of 14.90 nm. Morphology showed the OPBA obtained by using the ballmill method, the OPBA synthesized with ballmill and coprecipitation method, as well as the OPBA synthesized with ballmill, coprecipitation, and modified with methyl trichlorosilane as spherical particles. At the same time, the FTIR results show an absorption peak which is a characteristic of silica confirmed by the XRF results, where silica content is dominant. © 2022. Journal of Ecological Engineering.All Rights Reserved
Doctoral Program Department of Physics, Universitas Sumatera Utara, Medan, 20155, Indonesia; Universitas Quality Berastagi, Sumatera Utara, Berastagi, 22152, Indonesia; Department of Physics, Universitas Sumatera Utara, Medan, 20155, Indonesia; Universitas Negeri Medan, Sumatera Utara, Medan, 20221, Indonesia
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