Properties of Heat Treatment Alkaline Pulping Black Liquor

Cheng Hui Xie; Rui Feng Yang; Jie Lu; Yan Jun Liu

doi:10.4028/www.scientific.net/AMR.622-623.1754

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 622-623Properties of Heat Treatment Alkaline Pulping...

Properties of Heat Treatment Alkaline Pulping Black Liquor

Abstract:

For a large-scale industrial separations and purifications of the lignin in the alkaline pulping, we use aluminum chloride as a catalyst to heat the alkaline pulping black liquor, in order to discuss effects in the nature of high temperature heat treatment process in the alkaline pulping black liquor and aluminum chloride on the nature of alkaline pulping black liquor. The results show that temperature increased and the lignin and carbohydrate content increased and the solids content and pH decreased in the high temperature heat treatment process. When joining the catalyst aluminum chloride, lignin, carbohydrates, solids content and pH value were increased, and increased with increasing amount of aluminum chloride. It proves that the Aluminum chloride plays a big role in the process of the alkaline pulping black liquor heat treatment. It will provide some theoretical basis of the heat treatment of alkaline pulping black liquor.

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Periodical:

Advanced Materials Research (Volumes 622-623)

Pages:

1754-1758

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.622-623.1754

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Online since:

December 2012

Authors:

Cheng Hui Xie, Rui Feng Yang, Jie Lu, Yan Jun Liu

Keywords:

Aluminum Chloride, Heat Treatment, Lignin Separation, Pulping Black Liquor

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