EFFECT OF WOOD RAW MATERIAL COMBINATION ON THE PROPERTIES OF CHEMI-MECHANICAL PULP FOR MAKING NEWSPRINT

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RASOULI GARMAROUDI E.; RESALATI H.; MAHDAVI FEYZABADI S.

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Journal: Year:2007 | Volume:20 | Issue:3 (76 IN NATURAL RESOURCES) Page(s): 69-75

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Title

EFFECT OF WOOD RAW MATERIAL COMBINATION ON THE PROPERTIES OF CHEMI-MECHANICAL PULP FOR MAKING NEWSPRINT

Author(s)

RASOULI GARMAROUDI E. | RESALATI H. | MAHDAVI FEYZABADI S. | Issue Writer Certificate

Keywords

BEECHQ3

HORNBEAMQ3

POPLARQ3

RAW MATERIALQ3

CMP PULPINGQ3

NEWSPRINTQ3

Abstract

This study was carried out to investigate the possibility of partial replacement of MWPI forest based wood material composition(75%hornbean+25%BEECH) by using POPLAR for NEWSPRINT production. The species witch used as POPLAR (populus euramericana), BEECH (Fagus orientalis) and HORNBEAM (Carpinus betulus) were used. As the above mentioned POPLAR at growing period of 8 years old, has been prepared from Safrabasteh research station in Gilan province.BEECH and HORNBEAM chips were prepared from MWPI production line. For pulping, wood as RAW MATERIAL in four combination consist of: pure POPLAR, mixture of beach and HORNBEAM, mixture of HORNBEAM and POPLAR and also mixture of BEECH and HORNBEAM and POPLAR were used. Based on the results of experimental tests, cooking conditions were applied as 20% chemicals ( based on oven dry wood), cooking time of 90 min, cooking temperature of 160oC, L:W = 7:1 was selected in order to obtain pulping yield of about 85%. After cooking chips were defibrated in three stages and then refined by laboratory beater (PFI mill) to 300 ml. CSF. At last was investigated properties of pulp produced. The results show that, using from POPLAR as pure or in admixture foresty species for making NEWSPRINT will have some positive effect in technologic and economic aspects. Ideal mixed treatment could be recommended as 65% HORNBEAM+ 10% BEECH+ 25% 8 years old POPLAR.

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APA: Copy

RASOULI GARMAROUDI, E., RESALATI, H., & MAHDAVI FEYZABADI, S.. (2007). EFFECT OF WOOD RAW MATERIAL COMBINATION ON THE PROPERTIES OF CHEMI-MECHANICAL PULP FOR MAKING NEWSPRINT. PAJOUHESH-VA-SAZANDEGI, 20(3 (76 IN NATURAL RESOURCES)), 69-75. SID. https://sid.ir/paper/20002/en

Vancouver: Copy

RASOULI GARMAROUDI E., RESALATI H., MAHDAVI FEYZABADI S.. EFFECT OF WOOD RAW MATERIAL COMBINATION ON THE PROPERTIES OF CHEMI-MECHANICAL PULP FOR MAKING NEWSPRINT. PAJOUHESH-VA-SAZANDEGI[Internet]. 2007;20(3 (76 IN NATURAL RESOURCES)):69-75. Available from: https://sid.ir/paper/20002/en

IEEE: Copy

E. RASOULI GARMAROUDI, H. RESALATI, and S. MAHDAVI FEYZABADI, “EFFECT OF WOOD RAW MATERIAL COMBINATION ON THE PROPERTIES OF CHEMI-MECHANICAL PULP FOR MAKING NEWSPRINT,” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 3 (76 IN NATURAL RESOURCES), pp. 69–75, 2007, [Online]. Available: https://sid.ir/paper/20002/en

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