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논문 기본 정보

자료유형
학술저널
저자정보
Audrey Zahra (Chungbuk National University) Shangmin Gao (Chungbuk National University) Jong-Moon Park (Chungbuk National University) Soo-Jeong Shin (Chungbuk National University)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제54권 제3호(통권 제206호)
발행연도
2022.6
수록면
63 - 72 (10page)
DOI
10.7584/JKTAPPI.2022.06.54.3.63

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초록· 키워드

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Rice is widely produced; however, large quantities of non-edible biomass are also generated during its production, mainly straw and hulls. These lignocellulosic materials have great value potential but are less used than other biomass resources. We produced cellulose nanofiber (CNF) from rice husks through delignification (as chlorine dioxide bleaching), pretreatment (as carboxymethylation substitution reaction), and nanofiber-making processes (as supermass-collider grinding and high-pressure homogenization). The rheological properties of rice-hull cellulose nanofiber were investigated to determine the relationship between carboxyl content, number of grinding, and high-pressure homogenization to rheological properties of rice-husk CNF gels. Increased carboxymethylation and mechanical treatments lead to higher viscosity, better hydrogel strength, and water retention value (WRV). Further mechanical processes decreased the viscosity and hydrogel strength after attaining the maximum value. For high-quality hydrogel production, optimum pretreatment and mechanical processes are required as pretreatment to DS 0.3 for carboxymethylation and optimum grinding and high-pressure homogenization combination.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Result and Discussion
4. Conclusion
Literature Cited

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