COMPARISON OF HOT WATER AND ALKALINE PRE-TREATMENTS ON THE PROPERTIES OF WHEAT STRAW NSSC PULP

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ZHAND S.; MASOUDIFAR M.; SARAEIAN A.R.; GHASEMIAN A.

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Paper Information

Journal: Iranian Journal of Wood and Paper Science Research Year:2014 | Volume:28 | Issue:4 (45) Page(s): 774-794

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Information Journal Paper

Title

COMPARISON OF HOT WATER AND ALKALINE PRE-TREATMENTS ON THE PROPERTIES OF WHEAT STRAW NSSC PULP

Author(s)

ZHAND S. | MASOUDIFAR M. | SARAEIAN A.R. | GHASEMIAN A. | Issue Writer Certificate

Keywords

WHEAT STRAWQ2

NEUTRAL SULFITE SEMI CHEMICAL PULPQ2

PRETREATMENTQ2

STRENGTH PROPERTIESQ2

Abstract

The purpose of this study was to compare the properties of WHEAT STRAW (Zagros sp) collected in Golestan province NSSC pulp under alkaline PRETREATMENT with 1% sodium hydroxide and boiling PRETREATMENT. WHEAT STRAW PRETREATMENT with 1% sodium hydroxide and hot water at water to straw ration of 10 to 1 was conducted at 70 °C for half an hour. NSSC pulping was carried out at constant pulping condition including liquor to straw ratio of 5:1, maximum temperature at 160°C for 30 minutes. In order to study the effect of sodium hydroxide on STRENGTH PROPERTIES of paper in some cases only Na2S03 was used. After pulping, defibration was carried out by laboratory refiner to reach 380±25 ml (CSF). Sixty gram/m² hand sheets were prepared from each pulp. The STRENGTH PROPERTIES were determined according to TAPPI standard. Results showed that with the exception of RCT strength, PRETREATMENT had significant effect on increasing the STRENGTH PROPERTIES of papers and by alkaline PRETREATMENT, brightness of the pulps decreased and tensile strength, burst strength, breaking length, stiffness and density increased. Using chemical PRETREATMENT especially sodium hydroxide resulted in reduction in yield and brightness level and improvement in strength of the pulps.

Cites

THE EFFECT OF CORE LAYER TREATMENT AND ALMOND SHELL POWDER CONTENT IN THE GLUE LINE ON THE PULL OFF ADHESION OF SANDWICH PANEL

References

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APA: Copy

ZHAND, S., MASOUDIFAR, M., SARAEIAN, A.R., & GHASEMIAN, A.. (2014). COMPARISON OF HOT WATER AND ALKALINE PRE-TREATMENTS ON THE PROPERTIES OF WHEAT STRAW NSSC PULP. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 28(4 (45)), 774-794. SID. https://sid.ir/paper/109569/en

Vancouver: Copy

ZHAND S., MASOUDIFAR M., SARAEIAN A.R., GHASEMIAN A.. COMPARISON OF HOT WATER AND ALKALINE PRE-TREATMENTS ON THE PROPERTIES OF WHEAT STRAW NSSC PULP. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2014;28(4 (45)):774-794. Available from: https://sid.ir/paper/109569/en

IEEE: Copy

S. ZHAND, M. MASOUDIFAR, A.R. SARAEIAN, and A. GHASEMIAN, “COMPARISON OF HOT WATER AND ALKALINE PRE-TREATMENTS ON THE PROPERTIES OF WHEAT STRAW NSSC PULP,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 28, no. 4 (45), pp. 774–794, 2014, [Online]. Available: https://sid.ir/paper/109569/en

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