PEMBUATAN BIOETANOL DARI LIMBAH KAYU SENGON (Falcataria moluccana (Miq.) Barneby & J.W. Grimes) DENGAN METODE SUBSTRAT KONSENTRASI TINGGI
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Abstract
Various sawmilling industries of high, medium and small enterprises operate in Indonesia. During log conversion into sawn timber, wood waste occurs in the form of left over cut and sawdust. Small cut waste is lignocellulose material which is potentially used for bioethanol production. This paper studies the possibility of bioethanol production from sengon sawmill waste. High loading substrate method was applied by hydrolyzing high concentration substrate, i.e 15, 25 and 35% and two concentrations of enzymes (12.5 and 15 FPU/g substrate). Result showed that the treatment of 25% substrate concentration and 15 FPU/g cellulase substrate produced the highest reducing sugar of 248.3 mg/mL, while the substrate concentration of 35% generated the highest ethanol content i.e 17.7% and recovery about 38.4%. It can be concluded that the high loading substrate method could increase the ethanol concentration made from sengon wood waste.
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References
Bardant, T. B., Indiyanti., & Selviyanti, T. (2012). Study of response surface methodology (RSM) on the effect of span 85 in high substrate loading enzymatic hydrolysis of palm oil EFB. Dalam The 2nd
Korea Indonesia Workshop & International Symposium on Bioenergy from Biomass (pp.2302-1454).
Cheng, N., Yamamoto, Y., Koda, K., Tamai, Y., & Uraki, Y. (2014). Amphipathic lignin derivatives to accelerate simultaneous saccharification and fermentation of unbleached softwood pulp for bioethanol production. Bioresource Technology, 173, 104-109. doi: 10.1016/j.biortech. 2014.09.093.
Converse, A. O., Ooshima, H., & Burns, D. S. (1990). Kinetics of enzimatic hydrolysis of lignocellulose materials based on surface area of cellulose accessible to enzyme and enzyme adsorption on lignin and cellulose. Applied Biochemistry and Biotechnology, 24, 67-73.
Duta, D. K. (2016). 2016, Pertamina impor BBM 8 juta barel per bulan. Diakses dari https://www.cnnindonesia.com/ekonomi/20160311182221-85-116856/2016-pertamina-impor-bbm-8-juta-barel-per-bulan/pada tanggal 16 Agustus 2017.
Kementerian Kehutanan Republik Indonesia.(2012). Statistik kehutanan Indonesia Kementerian Kehutanan, Jakarta
Lynd, L. R. (1996). Overview and evaluation of fuel ethanol from cellulosic biomass?: Technology, Economis, the Enviroment, and Policy. Annual Review of Energy and the Environment, 21, 403-465. doi: 10.1146/ annurev.energy.21.1.403
Purwanto, D. (2009). Analisa jenis limbah kayu pada industri pengolahan kayu di Kalimantan Selatan. Jurnal Riset Industri Hasil Hutan, 1(1), 14-20.
Rathna, G. S., Saranya, R., & Kalaiselvam, M. (2014). Bioethanol from sawdust using cellulase hydrolysis of Aspergilllus ochraceus and fer mentation by Sacharomyces cerevisae. Microbiology Applied Science, 3(12), 733-742.
Saputro, D. E. (2015). Laporan Kunjungan Industri PT Pabrik Gula Madukismo. Laporan kunjungan mahasiswa. diakses dari http://www.slideshare.netAdgilo/laporan-kunjungan-industri-pt-madu-kusumo-magelang, tanggal 3 Agustus 2017
Shintawaty, A. (2006). Prospek pengembangan biodiesel dan Bioetanol sebagai bahan bakar alternatif di Indonesia. Diakses dari https://id.scribd.com/document/80902141/Prospek-Biodiesel, pada tanggal 28 Agustus 2017.
Silverstein, R. A., Chen, Y., Sharma-Shivappa, R. R., Boyette, M. D., & Osborne, J. (2007). Acomparison of chemical pretreatment methods for improving saccharification of cotton stalks. Bioresource Technology, 98(16),3000-3011. doi: 10.1016/j.biortech. 2006.10.022.
Sukmana, H. (2015). Penggunaan pulp kayu kelapa sawit dalam produksi bioetanol dari limbah lignoselulosa. (Skripsi) Program Pendidikan Sarjana Institut Pertanian Bogor, Bogor.
Winarni, I., Komarayati, S., & Djarwanto. (2017). Formulasi ragi campuran untuk produksi bioetanol dari limbah kayu sengon. Jurnal Penelitian Hasil Hutan,35(2),135-143. doi: 10.20886/jphh.2017.35.2.135-143.
Winarni, I., Oikawa, C., Yamada, T., Igarashi, K., Koda, K., & Uraki, Y. (2013). Improvement of enzymatic saccharification of unbleached cedar pulp with amphipathic lignin derivatives. BioResources, 8(2), 2195-2208.
