Extraction of lignin with lignoboost process and production of water-soluble sulfonated derivatives from lignin of bagasse soda black liquor

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KHORASANI Z.; ABDOLKHANI A.; HAMZEH Y.; Momenbeik m.; HEDJAZI S.

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Journal: IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES Year:2019 | Volume:10 | Issue:2 Page(s): 237-247

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Title

Extraction of lignin with lignoboost process and production of water-soluble sulfonated derivatives from lignin of bagasse soda black liquor

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Keywords

alkali ligninQ1

sulfonationQ1

sodium sulfiteQ1

lignoboostQ1

FTIRQ1

solubilityQ1

Abstract

An important source of lignin is the spent pulping liquor, known as black liquor. Due to high volume produced of black liquor, its treatment is very important for economic and environmental reasons. alkali lignin can be extracted from black liquor in pulping process to produce value-added chemicals, but its limited water solubility hampers its end-use applications. In this work, first, bagasse soda lignin was extracted form black liquor with lignoboost process and was modified with sodium sulfite under hree different treatment conditions (75° C, 6 h and 90 ° C, 6 h and 90 ° C, 4 h). The structure changes, and molecular weight, thermal behavior and elemental analysis of the product were, respectively, assessed by using FTIR, SEC, TGA and CHNS. The results showed the sulfonated lignins are different from unmodified lignin in the amount of sulfonate group and have more sulfonate groups. Also, the molecular weight, solubility and thermal behavior in sulfonated lignins were increased due to sulfonate group compared to the unmodified lignin.

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APA: Copy

KHORASANI, Z., ABDOLKHANI, A., HAMZEH, Y., Momenbeik, m., & HEDJAZI, S.. (2019). Extraction of lignin with lignoboost process and production of water-soluble sulfonated derivatives from lignin of bagasse soda black liquor. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, 10(2 ), 237-247. SID. https://sid.ir/paper/184324/en

Vancouver: Copy

KHORASANI Z., ABDOLKHANI A., HAMZEH Y., Momenbeik m., HEDJAZI S.. Extraction of lignin with lignoboost process and production of water-soluble sulfonated derivatives from lignin of bagasse soda black liquor. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES[Internet]. 2019;10(2 ):237-247. Available from: https://sid.ir/paper/184324/en

IEEE: Copy

Z. KHORASANI, A. ABDOLKHANI, Y. HAMZEH, m. Momenbeik, and S. HEDJAZI, “Extraction of lignin with lignoboost process and production of water-soluble sulfonated derivatives from lignin of bagasse soda black liquor,” IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, vol. 10, no. 2 , pp. 237–247, 2019, [Online]. Available: https://sid.ir/paper/184324/en

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