THE EFFECT OF BARK CONTENT ON THE PHYSICAL AND MECHANICAL PROPERTIES OF THE KRAFT PULP FROM POPULUS DELTOIDS CHIPS

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FARHADI Z.; SARAEYAN A.R.; DEHGHANI FIROUZABADI M.R.

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Paper Information

Journal: Iranian Journal of Wood and Paper Science Research Year:2015 | Volume:29 | Issue:4 Page(s): 503-514

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Title

THE EFFECT OF BARK CONTENT ON THE PHYSICAL AND MECHANICAL PROPERTIES OF THE KRAFT PULP FROM POPULUS DELTOIDS CHIPS

Author(s)

FARHADI Z. | SARAEYAN A.R. | DEHGHANI FIROUZABADI M.R. | Issue Writer Certificate

Keywords

POPULUS DELTOIDESQ2

KRAFT PULPQ1

BARK FQ2

PHYSICALQ2

MECHANICALQ2

Abstract

This study investigated the effect of bark content on the PHYSICAL and MECHANICAL properties of KRAFT PULP from Populus deltoids wood chips. Three Populous Deltoids trees at the same age were randomly selected and felled at Shastkalate research forest, Gorgan University of Agriculture and Natural Resources. One short bolt was taken from each tree. The bolts were manually debarked and wet weight of wood and BARK From each bolt was determined. Then weight ratio of wood/bark was calculated for each bolt. KRAFT PULP was prepared using following pulping condition: sulfidity 25%, AA: 20%, temperature: 170oC, l/w: 6/1 and bark content as 0, 6, 12, 18 and 24%, (w/w). Pulp with kappa number of about 20 was prepared from each treatment, and then each pulp was separately beaten to reach freeness value around 350 ml, CSF. In order to determine the effect of bark content on yield, kappa number and the PHYSICAL and MECHANICAL properties of the pulp, F test was used in completely randomized, and for comparison of the means, dunkan test was used. Yield and kappa number of the pulps were as 50.32-52.03% and 20.37-21.17, respectively. With increasing the bark content, density of paper was decreased and the lowest value was 0.477 g/cm2 for bark contained pulp. Also, with increasing the bark content to 18%, strength properties of the related pulp was improved.

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APA: Copy

FARHADI, Z., SARAEYAN, A.R., & DEHGHANI FIROUZABADI, M.R.. (2015). THE EFFECT OF BARK CONTENT ON THE PHYSICAL AND MECHANICAL PROPERTIES OF THE KRAFT PULP FROM POPULUS DELTOIDS CHIPS. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 29(4), 503-514. SID. https://sid.ir/paper/109783/en

Vancouver: Copy

FARHADI Z., SARAEYAN A.R., DEHGHANI FIROUZABADI M.R.. THE EFFECT OF BARK CONTENT ON THE PHYSICAL AND MECHANICAL PROPERTIES OF THE KRAFT PULP FROM POPULUS DELTOIDS CHIPS. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2015;29(4):503-514. Available from: https://sid.ir/paper/109783/en

IEEE: Copy

Z. FARHADI, A.R. SARAEYAN, and M.R. DEHGHANI FIROUZABADI, “THE EFFECT OF BARK CONTENT ON THE PHYSICAL AND MECHANICAL PROPERTIES OF THE KRAFT PULP FROM POPULUS DELTOIDS CHIPS,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 29, no. 4, pp. 503–514, 2015, [Online]. Available: https://sid.ir/paper/109783/en

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