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All Journal Indonesian Journal of Forestry Research Jurnal Penelitian Hasil Hutan
Luciasih Agustini
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Materials Science & Nanotechnology

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BIOLOGICAL DEGRADATION OF BAMBOO PAPER BY TWO WHITE-ROT FUNGAL SPECIES Novitri Hastuti; Luciasih Agustini; Erlina Nurul Aini; Dian Anggraini Indrawan; Gustan Pari; Heru Satrio Wibisono
Indonesian Journal of Forestry Research Vol. 10 No. 2 (2023): Indonesian Journal of Forestry Research
Publisher : APTKLHI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2023.10.2.239-249

Abstract

Non-wood paper production, such as bamboo paper, is an alternative to meet the massive demand for paper consumption in the recent era. Bamboo paper, made from Bambusa vulgaris fibers and manufactured with the addition of activated nano-carbon, shows an improvement in paper quality. However, there is a potential worry with the incorporation of activated carbon since it may hinder the degradation process of paper. Concerning the substance's life cycle, degradation assisted by the fungal decomposer of this new product is crucial. This study investigated the effects of the white-rot fungi, viz. Phlebiopsis sp and Pycnoporus sp., on the degradation of bamboo paper with- or without- activated nano-carbon (BPAC and BPNAC). In vitro experiments that combined two variables (Fungal agents and Paper types) were carried out for 12 weeks. The results revealed that Pycnoporus sp. was more effective in decomposing both BPAC and BPNAC rather than Phlebiopsis sp. After being degraded by Phlebiopsis sp. and Pycnoporus sp. for 12 weeks, the remaining mass of BPAC was 64.14% and 48.96%, respectively, while the BPNAC was 69.89% and 38.25%, respectively. The ability of these fungal agents on composite-paper degradation was compared to other similar studies. Further investigation and possible applications were discussed.
PENGARUH PERLAKUAN DELIGNIFIKASI TERHADAP HIDROLISIS SELULOSA DAN PRODUKSI ETANOL DARI LIMBAH BERLIGNOSELULOSA Luciasih Agustini; Lisna Efiyanti
Jurnal Penelitian Hasil Hutan Vol. 33 No. 1 (2015): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2015.33.1.69-80

Abstract

Delignification signifies as the crucial stages in converting lignocelluloses into ethanol. It affects further hydrolysis and fermentation processes. This paper looks into the effects of three different delignification processes (physical-, chemical-, and biological- treatments) of lignocellulosic biomass (i.e sawdusts of sengon and oil-palm petioles) on cellulose hydrolysis and fermentation. Physically, biomass was pressurized in an autoclave which has been set for 121°C, 1 atm for 30 minutes. Chemically, 1% H₂SO₄ was added during pressurized process. Biologically, pressurized biomass was inoculated using microorganism MD-14 FB.1 obtained from INTROF-CC collection For the control, biomass stuffs without chemical, physical, and biological treatments, sustained the hydrolysis/fermentation process as well. Delignification properties with regard to α-cellulose, lignin, hemicellulose contents in the treated as well as control biomass were examined according to the ASTM procedures. The amount of glucose exhibited from cellulose hydrolysis was determined by 3,5-dinitrosalicylic acid method, while the ethanol content was determined by potassium dichromate method. Results show that in general, chemical delignification is more effective than physical and biological treatments. It shows greater yield of lignin decomposition and sugar liberation in hydrolysis. Chemical delignification treatment produced about 0.0022 - 0.4046% ethanol from the substrate fermentation. The enzyme produced from the isolations has not significantly optimized the ethanol fermentation. Further research is needed in finding the compatibility between lignocellulose biomass and enzymes which were developed from microbe isolates.
Co-Authors Dian Anggraini Indrawan Erlina Nurul Aini Gustan Pari Heru Satrio Wibisono Lisna Efiyanti Novitri Hastuti