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Wahyuningtyas, Irma
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Journal : Chemistry Indonesian Journal of Chemical Research

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The Influence of Chip Size Variation in the Pulping Process from Jabon Wood Dirna, Fitria Cita; Wahyuningtyas, Irma
Indonesian Journal of Chemical Research Vol 13 No 2 (2025): Edition for September 2025
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2025.13-fit

Abstract

Wood is the primary raw material in the pulp and paper industry. Due to its favorable fiber characteristics, Jabon wood (Anthocephalus cadamba Miq.) is a promising fast-growing pulp and paper production species. This study investigates the effect of nine different chip size variations, including their length and thickness (1×3, 3×3, 5×3, 1×5, 3×5, 5×5, 1×7, 3×7, and 5×7), on pulp yield, fiber properties, and chemical performance using the kraft pulping method. Parameters measured include pulp yield, fiber length, fiber diameter, lumen diameter, cell wall thickness, and derived indices such as Runkle ratio, felting power, Muhlsteph ratio, rigidity coefficient, flexibility ratio, and kappa number. Results show that chip size does not significantly affect yield but influences fiber quality and kappa number. Shorter and thinner chips improved chemical penetration, resulting in lower kappa numbers and higher-quality pulp. Fiber classification based on IAWA criteria placed jabon wood in class II, indicating medium to suitable suitability for pulp. The study provides novel insight into optimizing chip geometry for kraft pulping of jabon wood, which has rarely been explored in previous literature. These findings are relevant for enhancing raw material efficiency and pulp quality in industrial applications.
Co-Authors Afandi, Irfan Ricky Denny, Shalehudin Denny Maruf Erlangga, Manasye Fathurrohman, Sewin Firman Noor Hasan Fitria Cita Dirna Hanifah, Nisrina Putri Hertianti, Erina I Wayan Darmawan Irsan ALIPRAJA Ismail, Rohmat Istie Rahayu JOKO PRAYITNO Khairunissa, Dhiya Khoerudin, Riki Kutana, Agung Nugrawan Laksono, Gilang Dwi Muhammad Fikri Hernandi Nona, Risna Prihatini, Esti Riadhi, Mohamad Rizki Riki Andika Rizki, Selvi Diliyanti Sabarna, Aqila Alya Nabila Salusu, Heriad Daud Saputri, Egydia Sari, Nur Maulida Trisna PRIADI Wartomo, Wartomo Yusuf, Andi