EFFECT OF HORNBEAM CHIPS FUNGAL PRE-TREATMENT ON BLEACHABILITY OF ITS BIO-KRAFT PULP

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RASOOLY GARMAROODY E.; MOHAMMADI I.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Wood and Paper Science Research Year:2015 | Volume:30 | Issue:3 Page(s): 419-429

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Title

EFFECT OF HORNBEAM CHIPS FUNGAL PRE-TREATMENT ON BLEACHABILITY OF ITS BIO-KRAFT PULP

Author(s)

RASOOLY GARMAROODY E. | MOHAMMADI I. | Issue Writer Certificate

Keywords

DED SEQUENCEQ2

BLEACHABILITYQ2

BIO-KRATF PULPQ2

FUNGAL PRE-TREATMENTQ2

HORNBEAMQ3

Abstract

Bio-kraft pulp made from HORNBEAM chips pre-treated by fungal (1, 2 and 3 weeks) was used for the investigation of its BLEACHABILITY by DED SEQUENCE. Before and after of the each DED step, pulps and bleaching spent liquors was analyzed and then 60g/m2 standards handsheets were made from above pulps and optical properties of the handsheets were measured. Results showed that by increasing in chips pre-treatment time, lignin contents of pulps was reduced more extensively after DED steps. Also, pulp viscosity and DP were also reduced by increasing in pre-treatment time and hexenuronic acids were increased due to none selectivity of fungi. FUNGAL PRE-TREATMENT of chips did not significantly influence the brightness of unbleached pulps but due to softening the lignin structure, improved bleaching process as with increasing in pretreatment time brightness increased and opacity decreased. Generally, it seems that HORNBEAM chips FUNGAL PRE-TREATMENT has good efficiency on its pulp BLEACHABILITY, although chemical consumption in bleaching increased up to 3 weeks pre-treatment.

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APA: Copy

RASOOLY GARMAROODY, E., & MOHAMMADI, I.. (2015). EFFECT OF HORNBEAM CHIPS FUNGAL PRE-TREATMENT ON BLEACHABILITY OF ITS BIO-KRAFT PULP. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 30(3), 419-429. SID. https://sid.ir/paper/109484/en

Vancouver: Copy

RASOOLY GARMAROODY E., MOHAMMADI I.. EFFECT OF HORNBEAM CHIPS FUNGAL PRE-TREATMENT ON BLEACHABILITY OF ITS BIO-KRAFT PULP. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2015;30(3):419-429. Available from: https://sid.ir/paper/109484/en

IEEE: Copy

E. RASOOLY GARMAROODY, and I. MOHAMMADI, “EFFECT OF HORNBEAM CHIPS FUNGAL PRE-TREATMENT ON BLEACHABILITY OF ITS BIO-KRAFT PULP,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 30, no. 3, pp. 419–429, 2015, [Online]. Available: https://sid.ir/paper/109484/en

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