INVESTIGATION ON PRODUCING BLEACHABLE KRAFT PULP FROM POPULUS DELTOIDS

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MIRI S.M.; GHASEMIAN A.; RESALATI H.; ZEYNALI FARHAD

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Paper Information

Journal: Journal of Wood and Forest Science and Technology Year:2016 | Volume:23 | Issue:1 Page(s): 133-148

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Title

INVESTIGATION ON PRODUCING BLEACHABLE KRAFT PULP FROM POPULUS DELTOIDS

Author(s)

MIRI S.M. | GHASEMIAN A. | RESALATI H. | ZEYNALI FARHAD | Issue Writer Certificate

Keywords

POPULUS DELTOIDSQ2

KRAFT PULPQ2

YIELDQ2

KAPPA NUMBERQ3

Abstract

Literature and purpose: the unique properties of poppulus species like fast-growing, low density, bright wood, noticeable production of wood in the period of Exploitation, high YIELD pulp, suitable refineable, and acceptable paper strength lead to as suitable species for papermaking industry. This study was aimed to determine the best conditions for producing the bleachable pulp from POPULUS DELTOIDS. For this purpose, the best cooking conditions include YIELD changes, KAPPA NUMBER, cellulose degree of polymerization, and brightness were investigated.Materials and methods: The wood species from Dr. Behramnia research forest located in Shastkalat region in Goragan were obtained. The wood obtained were turned in wood chips, air dried and their moisture content was determined and finally used for preparation KRAFT PULP. The cooking conditions were l/w: 6/1, temperature 170 °C, sulfidity 25%, 18 and 20% active Alkali (AA) charge and cooking time 60, 90 and 120 minutes for produced bleachable pulp with YIELD near 50% and KAPPA NUMBER between 15 to 20.Results: the results of POPULUS DELTOIDS KRAFT PULP YIELD showed that pulp YIELD with the level of 18 and 20% alkaline and 60 min. was high than other treatments.Also, the highest KAPPA NUMBER was achieved with 18% alkaline and 60 min. and lowest KAPPA NUMBER was founded with 20% alkaline and 120 minutes. Among these treatments, maximum DP with 18% alkaline and 60 minutes and minimum DP with 20% alkaline and 120 minute were achieved. Finally, maximum unbleached pulp brightness was related to treatment with 20% alkaline and 90 & 120 minute and minimum brightness with 20% alkaline and 60 minute was achieved.Conclusion: The KRAFT PULP with cooking conditions: AA 20%, time 60 min, sulfidity 25%, L/W: 6/1 and temperature 170°C from between taken various cooking was chosen. The YIELD 49.66%, KAPPA NUMBER 15.2, degree of polymerization 1700 and brightness for unbleached pulp was 38.22 % ISO.

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APA: Copy

MIRI, S.M., GHASEMIAN, A., RESALATI, H., & ZEYNALI, FARHAD. (2016). INVESTIGATION ON PRODUCING BLEACHABLE KRAFT PULP FROM POPULUS DELTOIDS. JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY, 23(1), 133-148. SID. https://sid.ir/paper/156660/en

Vancouver: Copy

MIRI S.M., GHASEMIAN A., RESALATI H., ZEYNALI FARHAD. INVESTIGATION ON PRODUCING BLEACHABLE KRAFT PULP FROM POPULUS DELTOIDS. JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY[Internet]. 2016;23(1):133-148. Available from: https://sid.ir/paper/156660/en

IEEE: Copy

S.M. MIRI, A. GHASEMIAN, H. RESALATI, and FARHAD ZEYNALI, “INVESTIGATION ON PRODUCING BLEACHABLE KRAFT PULP FROM POPULUS DELTOIDS,” JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY, vol. 23, no. 1, pp. 133–148, 2016, [Online]. Available: https://sid.ir/paper/156660/en

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