Perbandingan Hasil Delignifikasi Jerami Padi menggunakan Natural Ternary Deep Eutectic Solvent dengan Variasi Penambahan Air
Kata Kunci:
Jeram padi, Delignifikasi, NATDES, Penambahan air, Gula reduksiAbstrak
Jerami padi, sebagai hasil samping pertanian yang melimpah di Indonesia, memiliki potensi besar sebagai bahan baku untuk produksi energi terbarukan seperti biohidrogen dan bioetanol. Kandungan lignin dalam biomassa menghambat hidrolisis sehingga perlu dikurangi; untuk itu penelitian ini mengembangkan metode delignifikasi menggunakan Natural Ternary Deep Eutectic Solvent (NATDES) yang tersusun dari kolin klorida, asam laktat, dan asam sitrat pada rasio molar 0,1:0,6:0,3 dengan variasi penambahan air 0–20% (v/v). Perlakuan dilakukan pada rasio padatan:pelarut 1:10 (w/v) dalam reaktor pada 121 °C. Analisis FTIR pada residu padatan menunjukkan kadar lignin terendah (0,72%) pada perlakuan dengan 20% air, yang mengindikasikan bahwa penambahan air menurunkan viskositas NATDES dan meningkatkan efisiensi delignifikasi. Analisis gula pereduksi menggunakan metode dinitrosalisilat (DNS) menunjukkan bahwa kadar gula pereduksi terlarut tidak maksimal pada perlakuan 20% air akibat adanya fenolik bebas hasil degradasi lignin; oleh karena itu perlakuan pra‑analitik untuk assay DNS perlu dioptimalkan untuk menghilangkan interferensi fenolik, furfural, dan kekeruhan serta memastikan kuantifikasi gula pereduksi yang akurat. Hasil penelitian ini menunjukkan perlunya optimasi kandungan air dalam formulasi NATDES untuk meningkatkan potensi NATDES sebagai pelarut hijau untuk mendukung konversi jerami padi yang lebih bersih dan efisien.
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Referensi
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Hak Cipta (c) 2026 Maria Assumpta Nogo Ole, Dian Ranggina , Harun Pampang, Muhammad Arham Yunus, Zakiyah Darajat, Mimin Septiani, Andina Sari Maharani , Andi Ahmad Maulana Senna Cincing, Sherlina Zalfa Pertiwi, Dwi Ferel Imanuel Bala (Penulis)
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