EFFECTS OF XYLANASE ON OPTICAL PROPERTIES OF BAGASSE KRAFT PULP IN ECF BLEACHING

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RESALATI H.; ABD ELAH BEYK MARANDI M.; SARAEIAN A.R.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2009 | Volume:24 | Issue:2 (31) Page(s): 295-306

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Information Journal Paper

Title

EFFECTS OF XYLANASE ON OPTICAL PROPERTIES OF BAGASSE KRAFT PULP IN ECF BLEACHING

Author(s)

RESALATI H. | ABD ELAH BEYK MARANDI M. | SARAEIAN A.R. | Issue Writer Certificate

Keywords

BAGASSEQ2

KRAFT PULPQ3

XYLANASE ENZYMEQ3

OPTICAL PROPERTIESQ3

BIOBLEACHINGQ3

Abstract

The effect of using commercial XYLANASE ENZYME in prebleaching of BAGASSE KRAFT PULP was investigated. XYLANASE ENZYME from Trichoderma viride was added to pulp at various doses of 10, 25 and 50 IU/g pulp for reaction time 2h and then the enzyme treated pulp was bleached in ADED sequences (Acid sulfuric +Dioxide chlorine 4, 6, 8, 10% + Alkaline extraction + Dioxide chlorine 2% as available chlorine). The results have shown that with increased dioxide chlorine in D1 bleaching sequence, final brightness of bleached pulp was increased significantly (P<0.01). Furthermore, in the case of treated samples by XYLANASE ENZYME OPTICAL PROPERTIES of bleached pulp such as brightness and opacity were increased significantly (P<0.01). For yellowness, revolution of refiner for distinct pulp freeness and kappa number have shown decreased significantly (P<0.01). Maximum of brightness and minimum of kappa number and yellowness were belong to 25 IU/g pulp treatment that about 10.8, 3.98% and 2.24 unit have difference significantly (P<0.01) as compared with control sample respectively. Maximum of opacity and minimum was belong to 50IU/g pulp treatment that about 3 and 13.24% have difference significantly as compared with control sample respectively. Regardless of obtained results 25IU/g pulp treatment could be selected as optimal treatment.

Cites

EFFECT OF XYLANASE TREATMENT ON PROPERTIES OF ALKALINE PEROXIDE MECHANICAL PULP FROM POPLAR (POPULUS NIGRA) WOOD

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Cite

APA: Copy

RESALATI, H., ABD ELAH BEYK MARANDI, M., & SARAEIAN, A.R.. (2009). EFFECTS OF XYLANASE ON OPTICAL PROPERTIES OF BAGASSE KRAFT PULP IN ECF BLEACHING. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 24(2 (31)), 295-306. SID. https://sid.ir/paper/109887/en

Vancouver: Copy

RESALATI H., ABD ELAH BEYK MARANDI M., SARAEIAN A.R.. EFFECTS OF XYLANASE ON OPTICAL PROPERTIES OF BAGASSE KRAFT PULP IN ECF BLEACHING. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2009;24(2 (31)):295-306. Available from: https://sid.ir/paper/109887/en

IEEE: Copy

H. RESALATI, M. ABD ELAH BEYK MARANDI, and A.R. SARAEIAN, “EFFECTS OF XYLANASE ON OPTICAL PROPERTIES OF BAGASSE KRAFT PULP IN ECF BLEACHING,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 24, no. 2 (31), pp. 295–306, 2009, [Online]. Available: https://sid.ir/paper/109887/en

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