Volume 39 (2024-2025)
Volume 38 (2023-2024)
Volume 37 (2022-2023)
Volume 36 (2021-2022)
Volume 35 (2020-2021)
Volume 34 (2019-2020)
Volume 33 (2018-2019)
Volume 32 (2017-2018)
Volume 31 (2016-2017)
Volume 30 (2015-2016)
Volume 29 (2014-2015)
Volume 28 (2013-2014)
Volume 27 (2012-2013)
Volume 26 (2011-2012)
Volume 25 (2010-2011)
Volume 24 (2009-2010)
Volume 23 (2008-2009)
Volume 22 (2007-2008)
Volume 21 (2006-2007)
Volume 20 (2005-2006)
Volume 19 (2004-2005)
Volume 18 (2003-2004)
Volume 17 (2002-2003)
Volume 16 (2002-2003)
Volume 15 (2001-2002)
Volume 14 (2001-2002)
Volume 13 (2001)
Volume 12 (2000-2001)
Volume 11 (2000-2001)
Volume 10 (2000-2001)
Volume 9 (2000)
Volume 8 (1999)
Volume 7 (1999)
Volume 6 (1998)
Volume 5 (1998)
Volume 4 (1997)
Volume 3 (1997)
Volume 2 (1996)
Volume 1 (1995)
Pulp and paper
Enzymatic Versus Chemical Deinking of Old Newspaper

Iman Akbarpoor; Hossein Resalti; Ahmad reza Saraeyan

Volume 25, Issue 2 , September 2018, , Pages 223-233

https://doi.org/10.22092/ijwpr.2010.117292

Abstract
  In this study, Deinking of old newspaper was investigated by chemical and enzymatic methods. Chemical treatment was done using chemicals at different times of 10, 20 and 30 minutes, consistency of 10%, temperature of 50±1!C along with washing, flotation and combination of washing/flotation. While, ...  Read More

Investigation of Substituting the organic complex of sulvy-x rather than sodium silicate in CMP pulp bleaching of Mazandaran wood and paper industries

Iman Akbarpoor; Hossein Resalti; Ali Solimani

Volume 26, Issue 3 , September 2011, , Pages 411-428

https://doi.org/10.22092/ijwpr.2018.117197

Abstract
  In this study, the effect of elimination and relative decrease of sodium silicate along with substituting the organic complex of sulvy-x was investigated on optical properties of CMP pulp bleached by hydrogen peroxide. The brightness of paper were increased to 66.8%, yellowness decreased to 22% and opacity ...  Read More

Pulp and paper
Optical and physical properties of mixed hardwood CMP pulp and the birch wood

Ali Solimani; Hossein Resalati; Eiman Akbarpoor

Volume 26, Issue 3 , September 2011, , Pages 523-534

https://doi.org/10.22092/ijwpr.2011.117229

Abstract
  In this research, effects of mixing the birch wood with hornbeam and beach on optical and physical properties of papers produced at constant freeness range of 300 ml, CSF and yield of 85% and reference of CMP pulp (75% hornbeam plus to 25% beach)  was investigated. CMP pulp was produced from birch ...  Read More

Physics and anatomy
Biometrical properties of hornbeam fibers from Astara

Meisam Aliabadi; Eiman Akbarpoor; Ahmadreza Saraeyan; Jalil Roshnasan

Volume 26, Issue 3 , September 2011, , Pages 535-544

https://doi.org/10.22092/ijwpr.2011.117234

Abstract
  This research was performed to investigate fiber biometrical properties (length, diameter and fiber thickness) of hornbeam species from Astara in Iran. Initially, disks were prepared with three trees of hornbeam species and then fiber isolation was carried out using Franklin method. Length, diameter ...  Read More

Investigation on the physical and mechanical properties of waste newspaper deinked pulp by cellulase enzyme compared to conventional method

Iman Akbarpoor; Hossein Resalati; Ahmad reza Saraeian

Volume 26, Issue 2 , June 2011, , Pages 243-255

https://doi.org/10.22092/ijwpr.2011.117183

Abstract
  In this study, deinking of waste newspaper was investigated by conventional and enzymatic methods. Conventional deinking was done in pulping times of 10, 20 and 30 minutes along with different processes of washing, flotation and combined washing/   flotation. Enzymatic deinking was accomplished ...  Read More

Investigation on the Application of the Organic Complex " Sulvy-x " in Peroxide Bleaching of Hornbeam CMP Pulp

Meisam Aliabadi; Eiman Akbaepoor; Ahmad reza Saraeian

Volume 26, Issue 1 , March 2011, , Pages 117-127

https://doi.org/10.22092/ijwpr.2011.117153

Abstract
  In this study, the effect of organic complex "sulvy-x" on the optical properties of hornbeam CMP pulp bleached with hydrogen peroxide was investigated. Sulvy-x was used in two sequences silicate-free and silicate containing in hydrogen peroxide bleaching. The brightness of papers increased to 60.52 and ...  Read More

Pulp and paper
Studying from the Properties of Chemi-Mechanical Pulping and Alkaline Peroxide Mechanical Pulping of Wheat Straw Golestan province

Saeid Kamrani; Ahmad reza Saraeyan; Eyman Akbarpoor

Volume 25, Issue 1 , September 2010, , Pages 32-47

https://doi.org/10.22092/ijwpr.2010.117264

Abstract
  In this study, mechanical and optical properties of CMP, one stage APMP and two stage APMP pulps ( from Tajan wheat straw Golestan province ) were investigated. wheat straw collected at research center of Agriculture and Natural resources of Golestan province. Fiber dimensions such as average fiber length ...  Read More