Effects of chip washing pre-treatment method on optical and strength properties of chemimechanical pulp from poplar wood

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ALIPOUR M.; Asadpour Atouei gh.; ZABIHZADEH S.M.; GHAZVINI Z.

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Journal Paper

Paper Information

Journal: Iranian Journal of Wood and Paper Science Research Year:2016 | Volume:31 | Issue:3 (56) Page(s): 375-387

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Title

Effects of chip washing pre-treatment method on optical and strength properties of chemimechanical pulp from poplar wood

Author(s)

ALIPOUR M. | Asadpour Atouei gh. | ZABIHZADEH S.M. | GHAZVINI Z. | Issue Writer Certificate

Keywords

Alkaline pre-treatmentQ1

poplarQ2

brightnessQ2

extractivesQ2

CMP pulpQ2

Abstract

Chips washing pre-treatment are an important factor in chemi-mechanical (CMP) pulping. Therefore, this research was conducted to investigate the effect of Populous deltoids wood chips washing pre-treatment on CMP optical (brightness and opacity) and strength (tensile and burst indecies) properties. Pre-treatment was accomplished with pure hot water and alkaline solution (NaOH) at three levels of concentration (0. 5, 2 and 3. 5 percent). Pre-treated and control (without washing) chips were pulped by CMP process. The results of indicated that the pretreatment with hot water and also alkaline solution reduced the wood chips mass but increased the pulp yield and brightness. Pulp strength was reduced and refining energy consumption increased. Chip pretreatment dissolved part of chip hemicelluloses which imparted some negative effects on pulp refinability and pulp strength reduction.

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APA: Copy

ALIPOUR, M., Asadpour Atouei, gh., ZABIHZADEH, S.M., & GHAZVINI, Z.. (2016). Effects of chip washing pre-treatment method on optical and strength properties of chemimechanical pulp from poplar wood. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 31(3 (56) ), 375-387. SID. https://sid.ir/paper/109566/en

Vancouver: Copy

ALIPOUR M., Asadpour Atouei gh., ZABIHZADEH S.M., GHAZVINI Z.. Effects of chip washing pre-treatment method on optical and strength properties of chemimechanical pulp from poplar wood. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2016;31(3 (56) ):375-387. Available from: https://sid.ir/paper/109566/en

IEEE: Copy

M. ALIPOUR, gh. Asadpour Atouei, S.M. ZABIHZADEH, and Z. GHAZVINI, “Effects of chip washing pre-treatment method on optical and strength properties of chemimechanical pulp from poplar wood,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 31, no. 3 (56) , pp. 375–387, 2016, [Online]. Available: https://sid.ir/paper/109566/en

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