Study of Organic Bases Potential in Bagasse Pulping

Sadeghi, Aghdas; Abdolkhani, Ali; Hamzeh, Yahya; Mirshokraei, Ahmad; Karimi, Alinaghi

doi:10.22092/ijwpr.2007.117427

Document Type : Research Paper

Authors

¹ B.Sc. Student, Dept. of Wood and Paper, Faculty of Natural Resources, Tehran University, Karaj,

² Ph.D Student, Dept. of Wood and Paper, Faculty of Natural Resources, Tehran University, Karaj

³ Assist. Prof., Dept. of Wood and Paper, Faculty of Natural Resources, Tehran University, Karaj,

⁴ Prof., Dept. of Chemistry, Payame Noor University

⁵ Associa. Prof., Dept. of Wood and Paper, Faculty of Natural Resources, Tehran University, Karaj,

https://doi.org/10.22092/ijwpr.2007.117427

Abstract

In this study the pulping of bagasse using TMAH and EDA as organic bases was investigated and compared to conventional Soda and Soda-AQ bagasse pulping. Resulting pulps properties including Kappa number, reject, screen yield of pulp and optical and mechanical properties of handsheets prepared from them were determined and compared. Kappa number of TMAH pulp was considerably lower than others. Also, optical properties of TMAH and TMAH-NaOH pulps were considerably higher than Soda and Soda-AQ reference pulps. As well as, addition of EDA to pulping liquor resulted suitable pulp with better properties compared to Soda pulp. Based on the obtained results, it was concluded that the delignificatiom mechanism of TMAH differ to hydroxide ion from NaOH and probably it improves the delignification rate through increasing of lignin degradation and its solubility.

Keywords

Main Subjects

Pulp and paper

References

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Iranian Journal of Wood and Paper Science Research

Study of Organic Bases Potential in Bagasse Pulping

References

References

Volume 22, Issue 2 - Serial Number 27
September 2008
Pages 73-80

Study of Organic Bases Potential in Bagasse Pulping

References

References

Volume 22, Issue 2 - Serial Number 27September 2008Pages 73-80

Volume 22, Issue 2 - Serial Number 27
September 2008
Pages 73-80