PENGARUH KONSENTRASI H2SO4 DAN NaOH TERHADAP DELIGNIFIKASI SERBUK BAMBU (GIGANTOCHLOA APUS)

Harry Rizka Permatasari, Fakhili Gulo, Bety Lesmini

Abstract


Pengaruh konsentrasi H2SO4 dan NaOH dalam delignifikasi serbuk bambu telah diteliti untuk menurunkan kadar lignin. Delignifikasi dilakukan pada suhu 1210C selama 30 menit dengan variasi konsentrasi. H2SO4: 0,5%, 1,0%, 1,5%, 2,0%, dan 2,5% (v/v) sedangkan variasi NaOH adalah 2,0%, 4,0%, 6,0%, 8,0%, dan 10% (b/v). Kadar lignin dianalisis menggunakan metode Kappa. Peningkatan konsentrasi H2SO4 dan NaOH sejalan dengan peningkatan kadar lignin terurai. Penguraian optimum sebesar 5,37% dicapai pada saat konsentrasi H2SO4 2,5% sedangkan pada saat konsentrasi NaOH 6,0% penguraian optimum sebesar 9,53%.



DOI: https://doi.org/10.36706/jppk.v1i2.1891

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