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4. Alkali Lignin: Extraction

  • 2025
  • OriginalPaper
  • Chapter
Published in:
Authors
Simons Dhara
Thangsei Nengneilhing Baite
Published in
Handbook of Lignin
Publisher
Springer Nature Singapore

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Abstract

This chapter delves into the intricacies of alkali lignin extraction, a process that has gained significant attention for its potential to unlock the value of lignin, the second most abundant biopolymer on Earth. The text begins with an overview of the history of alkali lignin extraction, tracing its roots back to the nineteenth century and highlighting key developments that have shaped the process over time. The chapter then explores the general methodology of conventional alkali lignin extraction, including the pretreatment of lignocellulosic biomass, lignin solubilization, and the purification process. The factors affecting the efficiency of alkali lignin extraction are also discussed in detail, with a focus on the type and concentration of alkali, temperature, and reaction time. The chapter concludes with an exploration of the potential applications of alkali lignin and the future directions of this promising technology. Readers will gain a comprehensive understanding of the alkali lignin extraction process, its historical context, and its potential to contribute to a more sustainable biorefinery approach.
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previous chapter Lignin: Structural Advantages
next chapter Mild-Acidolysis Lignin: Extraction
Title
Alkali Lignin: Extraction
Authors
Simons Dhara
Thangsei Nengneilhing Baite
Copyright Year
2025
Publisher
Springer Nature Singapore
Book
Handbook of Lignin

Print ISBN: 978-981-9676-32-3

Electronic ISBN: 978-981-9676-33-0

Copyright Year: 2025

DOI
https://doi.org/10.1007/978-981-96-7633-0_4
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