INVESTIGATION ON NEUTRAL SULFITE SEMI - CHEMICAL PULPING OF REAPSEED (CANOLA) RESIDUES

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AHMADI MOHAMMAD; FAEZIPOUR M.M.; JAHAN LATIBARI A.; HEJAZI SAHAB

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Journal: Iranian Journal of Wood and Paper Science Research Year:2010 | Volume:25 | Issue:1 (32) Page(s): 113-127

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Title

INVESTIGATION ON NEUTRAL SULFITE SEMI - CHEMICAL PULPING OF REAPSEED (CANOLA) RESIDUES

Author(s)

AHMADI MOHAMMAD | FAEZIPOUR M.M. | JAHAN LATIBARI A. | HEJAZI SAHAB | Issue Writer Certificate

Keywords

CANOLA RESIDUESQ2

NEUTRAL SULFITE SEMI CHEMICALQ3

TOTAL YIELDQ3

SCREENED YIELDQ3

PULPQ2

Abstract

Neutral sulfite semi chemical PULPing of CANOLA RESIDUES has been investigated. CANOLA RESIDUES collected from research farm at Agriculture and Natural Resources, University of Tehran, in Karaj. Chemical composition of CANOLA RESIDUES including cellulose, lignin, extractives soluble in ethanol-acetone and ash were determined using relevant TAPPI standard test methods. Fiber dimensions of CANOLA RESIDUES were also measured. Then NEUTRAL SULFITE SEMI CHEMICAL PULPs were produced from CANOLA RESIDUES applying following conditions: Cooking time at 3 levels(20, 40, 60 min),chemical charge at 5 levels(8, 10, 12, 14, 16 %), Cooking temperature was kept constant for all cooks at 175ċ , Na2SO3 to Na2CO3 ratio was 3:1,and liquor to CANOLA RESIDUES at 8:1. Each PULPing was repeated tree times. At the end of each cooking, initial defibration was carried out using a laboratory disc refiner. TOTAL YIELD before defibration and yield after defibration and SCREENED YIELD were determined. The highest yield (72%) was obtained at treatment combination of 175o, 20’, %8 and the lowest yield (58.7%) was in treatment of 175o, 60’, %16. Both factors, time and chemical charge, had significant effect on yield and increasing these two factors caused lower yield.

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APA: Copy

AHMADI, MOHAMMAD, FAEZIPOUR, M.M., JAHAN LATIBARI, A., & HEJAZI, SAHAB. (2010). INVESTIGATION ON NEUTRAL SULFITE SEMI - CHEMICAL PULPING OF REAPSEED (CANOLA) RESIDUES. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 25(1 (32)), 113-127. SID. https://sid.ir/paper/109709/en

Vancouver: Copy

AHMADI MOHAMMAD, FAEZIPOUR M.M., JAHAN LATIBARI A., HEJAZI SAHAB. INVESTIGATION ON NEUTRAL SULFITE SEMI - CHEMICAL PULPING OF REAPSEED (CANOLA) RESIDUES. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2010;25(1 (32)):113-127. Available from: https://sid.ir/paper/109709/en

IEEE: Copy

MOHAMMAD AHMADI, M.M. FAEZIPOUR, A. JAHAN LATIBARI, and SAHAB HEJAZI, “INVESTIGATION ON NEUTRAL SULFITE SEMI - CHEMICAL PULPING OF REAPSEED (CANOLA) RESIDUES,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 25, no. 1 (32), pp. 113–127, 2010, [Online]. Available: https://sid.ir/paper/109709/en

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