LIGNIN DISSOLUTION AT PULPING PROCESS OF WHEAT STRAW

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ROUSHENASAN J.; DEHGHANI FIROUZABADI M.; DAHMARDE GHALEH NO M.; SHARIFI S.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2010 | Volume:25 | Issue:2 (33) Page(s): 302-308

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Information Journal Paper

Title

LIGNIN DISSOLUTION AT PULPING PROCESS OF WHEAT STRAW

Author(s)

ROUSHENASAN J. | DEHGHANI FIROUZABADI M. | DAHMARDE GHALEH NO M. | SHARIFI S. | Issue Writer Certificate

Keywords

WHEAT STRAWQ3

KLASON LIGNINQ3

ACID SOLUBLE LIGNINQ3

DELIGNIFICATION AND KRAFTQ3

Abstract

The lignin dissolution in Kraft pulping for WHEAT STRAW was studied. Kraft pulping was carried out under the conditions: chemical charge of 18% (as NaOH, based on o.d. bagasse), sulfidity of 25% and liquor to WHEAT STRAW ratio of 10:1. Six cooking maximum temperatures of 85, 100, 110, 120, 130 and 150oC, were selected and reaction time varied from 0 to 250 min., based on maximum temperature. The KLASON LIGNIN, ACID SOLUBLE LIGNIN, ash and extractive contents of WHEAT STRAW were 18.4%, 2.07%, 3.24% and 4.56% respectively. During alkaline pulping of WHEAT STRAW, 64% and 52% of lignin was removed before reaching to the temperature 100oC and 85 respectively. The values for pulp and carbohydrates yield were, about 64%, 58% for 85oC and 61%, 57% for 100oC.

Cites

مطالعه سینتیک لیگنین زدایی ساقه گندم در فرایند خمیر کاغذسازی با گلیسرول

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APA: Copy

ROUSHENASAN, J., DEHGHANI FIROUZABADI, M., DAHMARDE GHALEH NO, M., & SHARIFI, S.. (2010). LIGNIN DISSOLUTION AT PULPING PROCESS OF WHEAT STRAW. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 25(2 (33)), 302-308. SID. https://sid.ir/paper/109698/en

Vancouver: Copy

ROUSHENASAN J., DEHGHANI FIROUZABADI M., DAHMARDE GHALEH NO M., SHARIFI S.. LIGNIN DISSOLUTION AT PULPING PROCESS OF WHEAT STRAW. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2010;25(2 (33)):302-308. Available from: https://sid.ir/paper/109698/en

IEEE: Copy

J. ROUSHENASAN, M. DEHGHANI FIROUZABADI, M. DAHMARDE GHALEH NO, and S. SHARIFI, “LIGNIN DISSOLUTION AT PULPING PROCESS OF WHEAT STRAW,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 25, no. 2 (33), pp. 302–308, 2010, [Online]. Available: https://sid.ir/paper/109698/en

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