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The kinetic modeling of carbonate formation during kraft pulping of eucalyptus wood
Author(s) -
Li Jing,
Hu Huichao,
Chai Xinsheng
Publication year - 2017
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.15681
Subject(s) - carbonate , kraft paper , eucalyptus , lignin , kraft process , chemistry , kinetic energy , pulp and paper industry , chemical engineering , organic chemistry , botany , engineering , physics , quantum mechanics , biology
This article conducted an investigation on the carbonate formation during kraft pulping (KP) process of eucalyptus under different conditions, from which a kinetic model for predicting the carbonate formation was proposed. It was also found that the time‐dependent effective alkali concentration and H factor are the major parameters affecting the carbonate formation. Results showed that the proposed model could describe the carbonate formation during KP at various process conditions, and there is a good correlation (R 2 = 0.923) between the measured and predicted data. According to the model, about 54% of total carbonate formation was contributed from lignin in wood. © 2016 American Institute of Chemical Engineers AIChE J , 63: 1489–1493, 2017
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