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)
Chemical conversion
Preparation of adsorbent from recycle newspaper and removal of metal ions from the pulp and paper mills wastewater

Khadijeh Khorram Margavi; Noureddin Nazarnezhad; Seyd Majid Zabihzadeh

Volume 39, Issue 1 , March 2024, , Pages 1-11


  Background and objectives: Contamination in pulp mill wastewater and subsequently surface and underground water sources contamination with heavy metals is one of the most important problems which threatens the health of human being and other creatures. These metals penetrate and pollute the soil and ...  Read More

Chemical conversion
Effect of fermentation pretreatment and extraction on the acoustic properties of Ash wood (Fraxinus excelsior)

Zahra Daeepour; amir lashgari; Mehran Roohnia; Ahmad Jahan latibari; Vahid Safdari

Volume 39, Issue 1 , March 2024, , Pages 27-40


  Background and objectives: Nowadays, the importance of treatments such as water washing and ethanol-acetone washing to improve the acoustic properties of wood has been noticed by the makers of musical instruments. Wood extractives are in the list of those materials that often do not have a construction ...  Read More

Chemical conversion
A feasibility study on identification of stickies and their sources in packaging paper mill

Zahra Razmpour; ghasem asadpour; kermanian hossein; omid ramezani; Seyed Majid Zabihzadeh

Volume 38, Issue 2 , June 2023, , Pages 114-127


  Sticky contaminants represent one of the biggest technical challenges in the paper recycling process. These contaminants reduce paper strength, cause plugging of wires and felts, and stick to or deposit on machine parts affecting the runnability of the paper machine In this study, firstly, the sticky ...  Read More

Chemical conversion
Adhesive Modification and Improvement of Properties of Polyvinyl Acetate Using Nano silica

mohammad najafianashrafi; Payam Moradpour; Ahmad Jahan latibari; Hamidreza Edalat

Volume 38, Issue 2 , June 2023, , Pages 128-140


  Poly vinyl acetate (PVAC) adhesive is one of the most important adhesives in wood and furniture industry, which has many advantages such as low cost, environment friendliness and non-toxicity. However, it has some disadvantages such as low water resistance and poor boning strength. In this study, the ...  Read More

Chemical conversion
Effect of tree age, thickness and depth of black poplar timbers on color change and wettability of wood after accelerated weathering

Saeed Hasani; Mohammad Talaei poor; behzad baziyar; Amir Homan Hemmasi; Saeed Mahdavi

Volume 38, Issue 2 , June 2023, , Pages 141-154


  AbstractIn this study, black poplar (Populus nigra) cut from Zanjan province was used in two age groups of 18 and 38- year-old. Timbers with thicknesses of 4, 5 and 6 cm were prepared from each age group. The prepared timbers were modified during the heat treatment process (Thermowood) at a constant ...  Read More

Chemical conversion
Efficiency of Response Surface Methodology to Determine Effective Factors on Production Process of Carboxymethyl cellulose from Populus

Milad Poladi; Seyed Hassan Sharifi; Seyed Majid Zabihzadeh; Mostafa Nikkhah Dafchahi

Volume 34, Issue 2 , August 2019, , Pages 290-301


  Cellulose is the most abundant bio-polymer and also has many potential and applications, Therefore, in order to convert it to solvable cellulose in many commercial solvents, it is necessary to modify the cellulose structure with a variety of methods of derivation. Cellulose derivatives have an increasing ...  Read More

Chemical conversion
Production and Characterization of Lignocellulosic Aerogel from Rice Straw

Atefe Rahimi; Ali Abdolkhani; Yahya Hamzeh; Sahab Hedjazi

Volume 34, Issue 1 , April 2019, , Pages 124-133


  DOR:98.1000/1735-0913.1398. Rice straw rice is one of the most important lignocellulose wastes in Iran and the world. In this research, rice straw as renewable lignocellulosic materials were used to produce nano-structural lignocellulosic aerogel. For this purpose, rice straw powder ...  Read More

Chemical conversion
Control of Inhibitory factors in the Bio-refinery of bagasse pith

Niloufar Davodi; Esmaeil Rasooly Garmaroody; Omid Ramezani; Sepideh Haamedi

Volume 33, Issue 4 , February 2019, , Pages 553-563


  In this study, in order to control the inhibitory compounds in the bio-refinery, bagasse pith was pretreated under acidic hydrolysis with dilute sulfuric acid 8%, 90 minutes at 120 ° C. Then, by using de-depleting methods of overliming, activated carbon and combining of both, removal of deterrent ...  Read More

Chemical conversion
Optimization of process variables of carboxymethyl cellulose production from alpha-cellulose obtained from cotton Linter using response surface methodology

Hamedeh Kiani; Hosein Resalati; Seyed Hassan Sharifi

Volume 33, Issue 4 , February 2019, , Pages 579-592


  Carboxymethyl cellulose (CMC) is one of the important cellulose derivatives in industries, which is widely used as anti-caking agent, emulsifier, stabilizer, dispersing agent, thickener, and gelling agent. The main raw material of cellulose derivative is cellulose from wood and cotton linter. In this ...  Read More

Chemical conversion
Application of Bagasse as Adsorbent of Acid Orange 7 from Aqueous Solution

alireza ziapour; Abbas Zare; Mohammad Bakhshi

Volume 33, Issue 2 , July 2018, , Pages 244-255


  Chemical and biological treatment of dye- containing wastewaters is difficult due to the low adsorption level and chemical stability of dyes. Activated carbon is usually used for adsorption of these materials, but because of high prices and restore problems, researchers trying to find available low-cost ...  Read More

Chemical conversion
Adsorption of rhodamine B with activated carbon prepared from beech wood

Mahmoud Rouhbakhsh Bidaei; Mohammad Azadfallah; Rasoul Yarahmadi

Volume 33, Issue 2 , July 2018, , Pages 280-289


  Dyes release into waste water due to its toxicity for some organisms results in major environmental pollution problems. The activated carbon (AC) is an efficient adsorbent to remove this kind of pollutants from aqueous phase. Hence, in this research activated carbon was prepared from sound and rotted ...  Read More

Chemical conversion
Evaluation of thermal energy and activated carbon production from bagasse pith

Fatemeh Jadidyan; Mohammad Talaeipoor; Saeed Mahdavi; Amirhoman Hamasi

Volume 31, Summer 2 , May 2016, , Pages 181-193


  The purpose of this study is the evaluation of bagasse pith for heating energy and activated carbon production. To assess the energy production of the pith, bulk density, melting point, and heating value were measured. Furthermore, percentage of moisture, ash, volatile compounds, fixed carbon, lignin, ...  Read More

Chemical conversion
Morphological Characteristics and Chemical Composition of Grapevine Branches (Vitis vinifera spp.) Grown in Astara

Seyyed Pedram Hashemi Beygzadmahalleh; Seyyed Peyman Hashemi Beygzadmahalleh; Asghar Tabei

Volume 30, WINTER 4 , December 2015, , Pages 525-537


  This study has been conducted to determine morphological characteristics of fibers and amount of chemical components of grapevine branches cultivated in Astara in province of Guilan. For this purpose the number of 53 branches, with same size and diameter, were cut from some grapevine and sent to laboratory ...  Read More

Pulp and paper
Comparative Investigation on the properties of Soda and Soda-Ethanol pulps from three hardwoods

Hosein Valayi; Ahmad Jahan Latibari

Volume 30, Fall 3 , August 2015, , Pages 399-407


  Strength properties and the yield of soda and soda-ethanol pulps produced using hornbeam, beech and poplar woods were investigated. Soda pulps were produced applying 20% active alkali and the soda-ethanol pulps were made using 10% active alkali and 50% ethanol. The pulping temperature was constant at ...  Read More

Chemical conversion
Optimum Production of Cellulose NanoCrystal from Cotton Stalk under Acidic Hydrolysis Condition

mahdiye mazandarani; ali ghasemian; ahmadreza Saraeyan; mahdi mashkour; SeyedRahman Jafari Petroudy

Volume 30, SPRING 1 , May 2015, , Pages 1-13


  In the present study, preparation of cotton stalk (Sahel variety) as one of the common agricultural residues was studied through three stages as Soda-AQ chemical pulping, delignification and alkaline treatment, aiming for the production of cellulose nanocrystal. In order to identify the optimum condition ...  Read More

Pulp and paper
Identify the Chemical Composition of Tobacco Stem Wood Extractives (Nicotiana tabacum L. 'Coker 347') by Gas Chromatography- Mass Spectrometry

Seyyed Peyman Hashemi Beygzadmahalleh; Seyyed Pedram Hashemi Beygzadmahalleh; Asghar Tabei

Volume 29, SPRING 1 , May 2014, , Pages 66-57


  Tobacco (Nicotianan tabacum) and an old industrial plant in the north, Iran to supply tobacco leaf to produce significant amounts of stem tobacco cultivation and the annual production is in the north of the country. In this research stems of tobacco variety Coker 347 randomly Gilan district, city of ...  Read More

Pulp and paper
Investigation of lignification and paper making characteristics of populus deltoids col. 77.51 grown under 3 rotation

Abbas Fakhryan roghani; Abdolrahman Hosseinzadeh; Fardad Golbabaei; Hossein Hosseinkhani

Volume 16, 16-No. 293 , October 2003, , Pages 1-28


  Three 4,6 and 12 years old populus deltoides trees were randomly selected and felled from the Safrabasteh Research Station located in Gilan province. Samples were transferred to the Wood chemistry and Paper Making of Research Institute of Forest and Rangelands. By using of kraft processing, percentage ...  Read More

Physics and anatomy

Abbas Fakhryan roghani; Abdolrahman Hosseinzadeh; Fardad Golbabaei

Volume 15, 15-No. 278 , October 2002, , Pages 1-17


  Threes, six and 12 years old sample trees of Populos deltoides 77.51 were randomly selected and felled at the safrabasteh research station located in Gilan province. Sample tree transferred to the Alborz research center- Karaj for Laboratory studies; The Laboratory studies included determination of physical, ...  Read More

Physics and anatomy

Saeed Mahdavi; Abdolrahman Hosseinzadeh; Abbas Fakhryan roghani; masoudreza habibi

Volume 14, 14-No. 272 , May 2002, , Pages 73-109


  In order to evaluate reed as a raw material for wood & paper industries, three main regions of Iran consist of south, North and East were selected for this study. Phragmites australis is dominant species in these regions and this study concentrated on it as well.Chemical components and biometry of ...  Read More