PENGARUH KONSENTRASI AKTIVATOR (NaOH DAN HCl) TERHADAP KARAKTERISTIK KARBON AKTIF DARI TONGKOL JAGUNG

Ahmad Saban(1), Jasruddin Jasruddin(2), Husain Husain(3*),

(1) Universitas Negeri Makassar
(2) Universitas Negeri Makassar
(3) Universitas Negeri Makassar
(*) Corresponding Author




DOI: https://doi.org/10.35580/jspf.v19i2.45044

Abstract


Sintesis karbon aktif dari limbah tongkol jagung dilakukan untuk memanfaatkan limbah biomassa. Penelitian ini bertujuan mensintesis dan mengkarakterisasi karbon aktif dari limbah tongkol jagung. Tahapan pembuatan karbon aktif dimulai dengan preparasi sampel yaitu pembersihan, pencucian, dan pengeringan. Tongkol jagung kemudian dikarbonasi pada suhu 400oC selama satu jam untuk menghasilkan karbon. Tahap selanjutnya aktivasi menggunakan NaOH dan HCl dengan variasi konsentrasi 5%, 10%, dan 15%. Karakterisasi karbon aktif menggunakan Scanning Electron Microscopy (SEM) dan X-Ray Diffraction (XRD). Hasil karakterisasi SEM menunjukkan bahwa karbon aktif yang diperoleh memiliki struktur permukaan yang tidak teratur dengan ukuran dan bentuk pori terbuka yang berbeda. Hasil karakterisasi XRD menunjukkan bahwa karbon aktif yang diperoleh memiliki struktur amorf. Hasil penentuan kadar air dan kadar abu karbon aktif yang diperoleh adalah 2,97% dan 3,92%. Nilai kadar air dan kadar abu karbon aktif dari tongkol jagung ini telah memenuhi Standar Nasional Indonesia (SNI 06-3730-1995)

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