INVESTIGATION ON SODA-ANTHRAQUINONE PULPING OF RAPESEED STRAW

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MAZHARI MOUSAVI S.M.; MAHDAVI SAEID; HOSSEINI S.Z.A.D.; RESALATI H.; YOUSEFI HOSSEIN

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Journal: Iranian Journal of Wood and Paper Science Research Year:2009 | Volume:24 | Issue:1 (30) Page(s): 69-79

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Title

INVESTIGATION ON SODA-ANTHRAQUINONE PULPING OF RAPESEED STRAW

Author(s)

Keywords

SODAQ2

SODA-ANTHRAQUINONEQ3

RAPESEED STRAWQ2

KAPPA NUMBERQ2

PULP YIELDQ3

PAPER PROPERTIESQ2

Abstract

This research is aimed to study the possibility of RAPESEED STRAW (Hayolla401) pulping and its paper characteristics, using SODA-AQ process. The average fiber length was found 1.04 millimeter and the average fiber diameter, lumen and thickness were found 28.00, 19.09, and 4.91 micrometer, respectively. Cellulose, lignin, extractive material (acetone solved) and ash were measured 41.66, 16.00, 1.63, and 3.46 percent, respectively. Cooking condition was determined as follow: SODA as 16, 18, and 20 percent on the basis of rapeseed dry straw, temperature was set at 175 and 185 Co, cooking time was set at 40 and 70 minutes, and straw to liquid ratio was set at 1/8. The amount of anthraquinone added to cooking liquor was 0.2%, based on rapeseed dry straw. Using severe cooking factors caused reduction of yield and KAPPA NUMBER in both methods. Refining was performed on selected pulps in order to reach 350 25 (ml,CSF) freeness. The 60 gr/m2 hand sheets were made in order to determine mechanical strength and physical properties. Average thickness, density and bulk is measured at 86.4 m, 0.69 gr/cm3and 1.44cm3/gr respectively. Average tear index, burst index, breaking length and tensile index are measured at 4.6 mN.m2/gr, 3.5 kpa.m2/gr, 7.4 km and 72.6 Nm/g respectively. The results showed that however screen yield of RAPESEED STRAW pulp is low but KAPPA NUMBER and mechanical properties of pulp is suitable, compared with the other agriculture residues, so Rapeseed pulp can be used in paper making industries.

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APA: Copy

MAZHARI MOUSAVI, S.M., MAHDAVI, SAEID, HOSSEINI, S.Z.A.D., RESALATI, H., & YOUSEFI, HOSSEIN. (2009). INVESTIGATION ON SODA-ANTHRAQUINONE PULPING OF RAPESEED STRAW. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 24(1 (30)), 69-79. SID. https://sid.ir/paper/109408/en

Vancouver: Copy

MAZHARI MOUSAVI S.M., MAHDAVI SAEID, HOSSEINI S.Z.A.D., RESALATI H., YOUSEFI HOSSEIN. INVESTIGATION ON SODA-ANTHRAQUINONE PULPING OF RAPESEED STRAW. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2009;24(1 (30)):69-79. Available from: https://sid.ir/paper/109408/en

IEEE: Copy

S.M. MAZHARI MOUSAVI, SAEID MAHDAVI, S.Z.A.D. HOSSEINI, H. RESALATI, and HOSSEIN YOUSEFI, “INVESTIGATION ON SODA-ANTHRAQUINONE PULPING OF RAPESEED STRAW,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 24, no. 1 (30), pp. 69–79, 2009, [Online]. Available: https://sid.ir/paper/109408/en

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