Effect of Refining Intensity on Pulp and Paper Properties Made of Eucalyptus Camaldulensis Wood

This study is for identifying of  the effect of refining intensity on pulp and paper properties made from eucalyptuswood. For this purpose three normal eucalyptus camaldulensis spp trees were randomly cut down from Shastkolateh Experimental Forest located in Gorgan. From each tree, one disk with 50c...

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Autor principal: Behzad Kord
Formato: article
Lenguaje:FA
Publicado: Regional Information Center for Science and Technology (RICeST) 2009
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Acceso en línea:https://doaj.org/article/b93a83f0b0bb4ae593a1d1781b1bb74b
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spelling oai:doaj.org-article:b93a83f0b0bb4ae593a1d1781b1bb74b2021-12-02T07:00:14ZEffect of Refining Intensity on Pulp and Paper Properties Made of Eucalyptus Camaldulensis Wood1735-09132383-112X10.22092/ijwpr.2009.117362https://doaj.org/article/b93a83f0b0bb4ae593a1d1781b1bb74b2009-03-01T00:00:00Zhttp://ijwpr.areeo.ac.ir/article_117362_b5fe5a6df9ffc88ec33fa9ebcaf31645.pdfhttps://doaj.org/toc/1735-0913https://doaj.org/toc/2383-112XThis study is for identifying of  the effect of refining intensity on pulp and paper properties made from eucalyptuswood. For this purpose three normal eucalyptus camaldulensis spp trees were randomly cut down from Shastkolateh Experimental Forest located in Gorgan. From each tree, one disk with 50cm thickness from breast height were selected for pulp making. Then disks converted to chips by chipper, and the chips were cooked by kraft process, the cooking conditions were as following effective alkali 20%, sulfidity 25%, tempreture 190 0C and Time 90min. After cooking and pulping process, the pulp refined with PFI Mill in 5 different intensity with 0 rpm, 500 rpm, 1500 rpm, 2500 rpm and 3500 revelutions. Then, papermaking and measuring the paper properties such as freeness, tensile strength, tear strength, burst strength and density were done. Then data were statisticaly analysed. The results indicated that, there are significant difference between pulp and paper properties made of eucalyptus camaldulensis spp wood with 5 different refining  intensity in 95% confident level. As increasing of refining intensity and refining revolutions, freeness and tear strength of paper decreased but  tensile strength, burst strength and density of paper incrased. However, the highest value of freeness and tear strength of paper related to refining intensity with 0rpm revelution (without refining) and highest value of tensile strength, burst strength and density of paper related to  refining intensity with 3500rpm revelutionBehzad KordRegional Information Center for Science and Technology (RICeST)articleEucalyptus camaldulensisPFI millfreenesstear strengthtensile strengthBurst StrengthForestrySD1-669.5FAتحقیقات علوم چوب و کاغذ ایران, Vol 24, Iss 1, Pp 124-133 (2009)
institution DOAJ
collection DOAJ
language FA
topic Eucalyptus camaldulensis
PFI mill
freeness
tear strength
tensile strength
Burst Strength
Forestry
SD1-669.5
spellingShingle Eucalyptus camaldulensis
PFI mill
freeness
tear strength
tensile strength
Burst Strength
Forestry
SD1-669.5
Behzad Kord
Effect of Refining Intensity on Pulp and Paper Properties Made of Eucalyptus Camaldulensis Wood
description This study is for identifying of  the effect of refining intensity on pulp and paper properties made from eucalyptuswood. For this purpose three normal eucalyptus camaldulensis spp trees were randomly cut down from Shastkolateh Experimental Forest located in Gorgan. From each tree, one disk with 50cm thickness from breast height were selected for pulp making. Then disks converted to chips by chipper, and the chips were cooked by kraft process, the cooking conditions were as following effective alkali 20%, sulfidity 25%, tempreture 190 0C and Time 90min. After cooking and pulping process, the pulp refined with PFI Mill in 5 different intensity with 0 rpm, 500 rpm, 1500 rpm, 2500 rpm and 3500 revelutions. Then, papermaking and measuring the paper properties such as freeness, tensile strength, tear strength, burst strength and density were done. Then data were statisticaly analysed. The results indicated that, there are significant difference between pulp and paper properties made of eucalyptus camaldulensis spp wood with 5 different refining  intensity in 95% confident level. As increasing of refining intensity and refining revolutions, freeness and tear strength of paper decreased but  tensile strength, burst strength and density of paper incrased. However, the highest value of freeness and tear strength of paper related to refining intensity with 0rpm revelution (without refining) and highest value of tensile strength, burst strength and density of paper related to  refining intensity with 3500rpm revelution
format article
author Behzad Kord
author_facet Behzad Kord
author_sort Behzad Kord
title Effect of Refining Intensity on Pulp and Paper Properties Made of Eucalyptus Camaldulensis Wood
title_short Effect of Refining Intensity on Pulp and Paper Properties Made of Eucalyptus Camaldulensis Wood
title_full Effect of Refining Intensity on Pulp and Paper Properties Made of Eucalyptus Camaldulensis Wood
title_fullStr Effect of Refining Intensity on Pulp and Paper Properties Made of Eucalyptus Camaldulensis Wood
title_full_unstemmed Effect of Refining Intensity on Pulp and Paper Properties Made of Eucalyptus Camaldulensis Wood
title_sort effect of refining intensity on pulp and paper properties made of eucalyptus camaldulensis wood
publisher Regional Information Center for Science and Technology (RICeST)
publishDate 2009
url https://doaj.org/article/b93a83f0b0bb4ae593a1d1781b1bb74b
work_keys_str_mv AT behzadkord effectofrefiningintensityonpulpandpaperpropertiesmadeofeucalyptuscamaldulensiswood
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