STUDYING ON THE SODA AND DIOXANE LIGNIN OF BAGASSE USING DERIVATIZATION FOLLOWED BY REDUCTIVE CLEAVAGE

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HAJI AGHAEI V.; MIRSHOKRAIE S.A.; PARTOVI T.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2015 | Volume:29 | Issue:4 Page(s): 538-549

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Information Journal Paper

Title

STUDYING ON THE SODA AND DIOXANE LIGNIN OF BAGASSE USING DERIVATIZATION FOLLOWED BY REDUCTIVE CLEAVAGE

Author(s)

HAJI AGHAEI V. | MIRSHOKRAIE S.A. | PARTOVI T. | Issue Writer Certificate

Keywords

SODA LIGNINQ1

DIOXANE LIGNINQ2

BAGASSEQ2

DERIVATIZATION FOLLOWED BY REDUCTIVE CLEAVAGEQ2

SPECTROSCOPY METHODQ2

Abstract

In this study, the structure of SODA LIGNIN (soluble fraction in ethanol) and DIOXANE LIGNIN produced from BAGASSE were studied by using DERIVATIZATION FOLLOWED BY REDUCTIVE CLEAVAGE (DFRC) method and some techniques including gel permeation chromatography, gas chromatography-mass spectrometry and 13C-nuclear magnetic resonance spectroscopy and the results were compared. These comparative results show that the main monomeric compounds are obtained from the cleavage of b-O-4 bonds of lignins. The components obtained from DIOXANE LIGNIN and SODA LIGNIN are guaiacyl, syringyl and p-hydroxyphenyl structures with different proportions. However, some differences have been observed in both lignins, including the variety of structural units in DIOXANE LIGNIN is greater than SODA LIGNIN. In other words, SODA LIGNIN degradation and the structural components are closer together and are more uniform structures. The average molecular weight of DIOXANE LIGNIN, is greater than SODA LIGNIN, which is due to SODA LIGNIN wide chemical degradation during industrial pulping processes and therefore it has less dense structure. These observations indicate that a mild method for lignin separation from a lignocellulosic material caused less damage and changes in lignin structure. Therefore, in structural studies, DIOXANE LIGNIN can actually be used as an appropriate representative of the lignin.

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APA: Copy

HAJI AGHAEI, V., MIRSHOKRAIE, S.A., & PARTOVI, T.. (2015). STUDYING ON THE SODA AND DIOXANE LIGNIN OF BAGASSE USING DERIVATIZATION FOLLOWED BY REDUCTIVE CLEAVAGE. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 29(4), 538-549. SID. https://sid.ir/paper/109781/en

Vancouver: Copy

HAJI AGHAEI V., MIRSHOKRAIE S.A., PARTOVI T.. STUDYING ON THE SODA AND DIOXANE LIGNIN OF BAGASSE USING DERIVATIZATION FOLLOWED BY REDUCTIVE CLEAVAGE. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2015;29(4):538-549. Available from: https://sid.ir/paper/109781/en

IEEE: Copy

V. HAJI AGHAEI, S.A. MIRSHOKRAIE, and T. PARTOVI, “STUDYING ON THE SODA AND DIOXANE LIGNIN OF BAGASSE USING DERIVATIZATION FOLLOWED BY REDUCTIVE CLEAVAGE,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 29, no. 4, pp. 538–549, 2015, [Online]. Available: https://sid.ir/paper/109781/en

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