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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Silvikultur Tropika (JST) Jurnal Ilmu dan Teknologi Hasil Hutan Forum Pasca Sarjana JURNAL HUTAN LESTARI Jurnal Bahan Alam Terbarukan Indonesian Journal of Forestry Research Jurnal Penelitian Hasil Hutan Jurnal Teknik Sipil Jurnal Ilmu dan Teknologi Kayu Tropis PERENNIAL Journal of Sylva Indonesiana Jurnal Penelitian Hasil Hutan Wood Research Journal : Journal of Indonesian Wood Research Society Wood Research Journal : Journal of Indonesian Wood Research Society Jurnal Sylva Lestari JURNAL HUTAN TROPIS Makara Journal of Science Makara Journal of Technology Jurnal Penelitian Hasil Hutan
Yusuf Sudo Hadi
Departemen Hasil Hutan, Fakultas Kehutanan, Institut Pertanian Bogor, Dramaga Bogor.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Journal : Makara Journal of Science

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Morphological, Chemical, and Thermal Characteristics of Nanofibrillated Cellulose Isolated Using Chemo-mechanical Methods Solikhin, Achmad; Hadi, Yusuf Sudo; Massijaya, Muh Yusram; Nikmatin, Siti
Makara Journal of Science Vol. 21, No. 2
Publisher : UI Scholars Hub

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Abstract

The objective of this research was to analyze the morphology, crystallinity, elemental components, and functional group changes, as well as thermal stability of nanofibrillated cellulose (NFC). Nanofibrillated cellulose has an irregular and aggregated shape with a diameter of about 100 nm. NFC self-aggregations were observed due to hydrogen bonding and Van-der Waals forces. The cellulose crystallinity index, atomic size, and polymorph of the NFC sample were found to be 63.57%, 2.2 nm, and cellulose I, respectively. The NFC sample was composed of various elemental components, such as C, O, N, Na, Al, Si, and K. IR analysis showed only small amounts of hemicellulose and lignin deposits, whereas cellulose functional groups appeared inseveral wavenumbers. Aromatic and oxygenated compounds, such as carboxylic acids, phenols, ketones, and aldehydes, were deposited as extractive on NFC; these compounds were associated with cellulose, hemicellulose, and lignin. The NFC thermal degradationprocess consisted of four steps: water evaporation (50-90 °C); hemicellulose degradation and glycosidic linkage cleavage (250-325 °C); amorphouscellulose and lignin degradation (325-429.29 ºC); and cellulose crystalline degradation (above 429.29 °C).
Effects of Different Extraction Solvents on the Extractive Removal and Properties of Oil Palm Empty-Fruit Bunch Cellulosic Nanofibers Solikhin, Achmad; Hadi, Yusuf Sudo; Massijaya, Muh Yusram; Nikmatin, Siti
Makara Journal of Science Vol. 25, No. 3
Publisher : UI Scholars Hub

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In this study, the effect of different extraction solvents on the isolation and properties of cellulosic nanofibers (CNFs) were investigated. The unextracted and different solvent-extracted CNFs formed horn-like features and irregularly aggregated nanofibers after oven drying. Scanning electron microscopy at 10000× magnification revealed the smooth external surfaces of all extracted CNFs; this finding is attributed to the limited deposition of amorphous lignocellulosic components on the fibers. All resultant CNF solutions revealed aggregation, with a particle size distribution and zeta average of 21.39–513.00 nm and 162.26–342.13 nm, respectively. Extraction with different solvents and chemical treatment yielded CNF solutions with good transparency. Increases in crystallinity indices were generated by extractive removal and enhanced the delignification and bleaching processes. The atomic crystal size of untreated and different solvent-treated CNFs varied with the type of native cellulose. A dramatic decrease in organic (i.e., C, N, and O) and inorganic (i.e., Na, K, and Si) elements was observed following extractive removal and cellulose purification
Co-Authors . Suhasman A.A. Ketut Agung Cahyawan W Abdillah, Imam Busyra Achmad Solikhin Adi Santoso Adi Santoso Adi Santoso Adi Santoso ADI SANTOSO Andi SRD Lestari Andi Sri Rahayu Diza Lestari Andi Sri Rahayu Diza Lestari Andri Tri Atmojo Apri H Iswanto Apri Heri Iswanto Ariana Ariana Arif Nuryawan Arif NURYAWAN Astari, Lilik Astuti Arif Barly Barly Barly Barly Darwaman, I Wayan Darwaman, I Wayan Dede Hermawan Deden Edi Rusfiandi Desyanti Desyanti Dian Setyaningsih Dina SETYAWATI Dwi J Priyono Elis Nina Herliyana Endang Sri Lestari Endang Sri Lestari Faisal Mahdie Fauzi Febrianto Gina Gina Bachtiar Gustan Pari Gustan Pari I Wayan Darmawan I Wayan Darwaman I Wayan Darwaman I.G.K. Tapa Darma Indah Sulistyawati Indah Sulistyawati, Indah Isna Yuniar Wardhani Jajang Suryana Jamaludin MALIK Jamaludin MALIK Jasni Jasni Jasni Jasni Jhon Novarly Simanjuntak Kayano Purba Kunio Tsunoda Kurnia Wiji Prasetiyo Laila Fithri Maryam Laksono Trisnantoro Lusita WARDANI Lusita WARDANI Lusita Wardani Lusita Wardani Lusita Wardani M Rosid Mangurai, Silvia Uthari Nuzaverra Mayang Massijaya, Muh, Yusram Massijaya, Muhamad Yusram Massijaya, Muhamad Yusram Muh Yusram Massijaya Muh Yusram Massijaya, Muh Yusram Muh. Yusram Massijaya Muh. Yusram Massijaya Muhamad Yusram Massijaya Muhamad Yusram Massijaya Muhamad Yusram Massijaya Muhammad Adly Rahandi Lubis Muhammad Firdaus Muhammad Iqbal Adi Baskara Muhammad Iqbal Maulana Muhammad Y Massijaya Munadian, Munadian Naresworo Nugroho Nifa Hanifa Nurwati Hadjib Nurwati Hadjib Nurwati Hadjib Raudhah Juliati Raudhah Juliati, Raudhah Rita Kartika Sari Rohny Setiawan Maail Salim Hiziroglu Siti Aisyah Siti Nikmatin Solikhin, Achmad Subyakto Subyakto SUHASMAN . Suhasman Suhasman Sujanto) Sujanto) Sulaeman Yusuf Suminar S Achmadi Surdiding Ruhendi Surdiding RUHENDI Surjono Surjokusumo Surjono Suryokusumo Surjono Suryokusumo, Surjono Suwandi Kliwon Suwardi Sumadiwangsa Syamani, Firda Aulya Tengku Muhammad Renzy Hariz Wahyu Hidayat Wardani, Lusita Wardani, Lusita Y. Afidudin Y. Afidudin, Y.