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SO2-ethanol–water (SEW) and Kraft pulp and paper properties of Eldar pine (Pinus eldarica): a comparison study by Mohammadreza Dehghani Firouzabadi; Aliasghar Tatari is a Engineering article available to read on EtoBox.

What is SO2-ethanol–water (SEW) and Kraft pulp and paper properties of Eldar pine (Pinus eldarica): a comparison study about?

In recent years, attention to novel papermaking processes has increased significantly. The SEW fractionation process is one of the novel processes for producing a wide range of high value-added products such as pulp, paper, lignosulfonates, and biofuels in a biorefinery system. This study aimed to investigate the possibility of producing pulp and paper from Eldar pine (Pinus eldarica) using SEW fractionation and comparing it with the Kraft process followed by elemental chlorine free (ECF) bleaching. The results showed that the tensile, burst, and tear indexes are lower for SEW handsheets than for Kraft handsheets. The brightness before bleaching of SEW handsheets is higher than that of Kraft handsheets. The apparent density is higher for the SEW handsheets than the Kraft. Since there are some limitations in the use of SEW pulps such as high apparent density and lower strength properties than the Kraft pulps, however, these factors do not create industrial constraints for the use of these pulps. Low energy consumption of SEW pulps in the beating and high brightness before bleaching are among the obvious advantages of the SEW process. Therefore, it seems that in cellulose conversion

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Author

Mohammadreza Dehghani Firouzabadi; Aliasghar Tatari

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Engineering (Physical Sciences)