INVESTIGATION ON NEWSPRINT PULP PRODUCTION AND ITS SPECIFICATION USING WHEAT STRAW

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VEISI A.; MAHDAVI S.; TALAEIPOUR M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Wood and Paper Science Research Year:2015 | Volume:30 | Issue:2 Page(s): 320-329

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Title

INVESTIGATION ON NEWSPRINT PULP PRODUCTION AND ITS SPECIFICATION USING WHEAT STRAW

Author(s)

VEISI A. | MAHDAVI S. | TALAEIPOUR M. | Issue Writer Certificate

Keywords

WHEAT STRAWQ2

CMP PULPQ2

YIELDQ3

BLEACHINGQ2

NEWSPRINTQ2

OPTICAL PROPERTIESQ1

Abstract

In this study, the production of bleached chemi-mechanical pulp from WHEAT STRAW for the NEWSPRINT production was investigated. WHEAT STRAW was collected from Lorestan province and WHEAT STRAW CMP PULP was prepared using 120, 140, and 160oC chemical treatment temperature, 45 minutes time, 10, 12, and 14% chemicals charge and 10: 1 liquor to straw ratio. The YIELD after defibration treatment varied between 56.5% and 72.5%. Two optimum pulps were bleached using TCF method applying 2% and 3% NaOH, 1.5% and 2% H2O2, and 60 and 120 minutes BLEACHING time. One way analysis variance method showed that BLEACHING time had the most significant effect on OPTICAL PROPERTIES of handsheet. Applying 3% NaOH (based on oven dry weight of the unbleached pulp), 2% H2O2, and 120 minutes time improved the brightness and opacity to 52.9%, and 79.5% ISO, respectively. Optimum pulp strengths including tensile, burst and tear indices were measured as 43.87 Nm/g, 2.18kPa.m2/g, and 8.46mN.m2/g, respectively. All the strengths were higher than NEWSPRINT paper strength produced at Mazandaran wood and paper and Korean companies.

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APA: Copy

VEISI, A., MAHDAVI, S., & TALAEIPOUR, M.. (2015). INVESTIGATION ON NEWSPRINT PULP PRODUCTION AND ITS SPECIFICATION USING WHEAT STRAW. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 30(2), 320-329. SID. https://sid.ir/paper/109811/en

Vancouver: Copy

VEISI A., MAHDAVI S., TALAEIPOUR M.. INVESTIGATION ON NEWSPRINT PULP PRODUCTION AND ITS SPECIFICATION USING WHEAT STRAW. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2015;30(2):320-329. Available from: https://sid.ir/paper/109811/en

IEEE: Copy

A. VEISI, S. MAHDAVI, and M. TALAEIPOUR, “INVESTIGATION ON NEWSPRINT PULP PRODUCTION AND ITS SPECIFICATION USING WHEAT STRAW,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 30, no. 2, pp. 320–329, 2015, [Online]. Available: https://sid.ir/paper/109811/en

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