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Forests
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Forests Sustainable Application: Production of Pulp and Paper
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Forests Sustainable Application: Production of Pulp and Paper

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Wood Science and Forest Products".

Deadline for manuscript submissions: closed (25 October 2021) | Viewed by 10862

Special Issue Editors

Dr. Duarte M. Neiva

E-Mail Website
Guest Editor
Centre for Applied Ecology "Prof. Baeta Neves" (CEABN) and Forest Research Center (CEF), University of Lisbon, School of Agriculture, Tapada da Ajuda, 1349-017 Lisboa, Portugal
Interests: wood and non-wood (bark, stumps, etc.) lignocellulosic chemical/fuel characterization and fractionation pathways within a biorefinery concept approach; full use of lignocellulosic raw materials; pulping and bleaching processes; pulp and paper characterization; pre-treatments and enzymatic hydrolysis of lignocellulosic biomass
Special Issues, Collections and Topics in MDPI journals
Dr. Solange Araújo

E-Mail Website
Guest Editor
Forest Research Center (CEF), School of Agriculture, University of Lisbon, Lisbon, Portugal
Interests: agroforestry wastes; biofuels; biomass residues; heat treatments; energy densification processes such as torrefaction and briquetting; fractionation and valorization of lignocellulosic biomass
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

 

Pulp and paper production is an industrially mature and established process. Nevertheless, new and constant development is expected and desired, aiming at a wider product range, higher product quality, lower impact on the environment, lower production cost, and wider capacity to use different feedstocks.

Although industrial pulp and paper production derive from just a few wood species (Eucalyptus, Pinus, Picea, Acacia, Populus, Betula), many others might also be a fit for this purpose. The increase in the pulpwood species pool would allow for a better and more sustainable use of different forest species which, among other benefits, would increase the value of forest lands, especially those where the growth of the common pulpwood species is not suited, possible or desired. Increasing the value and possible end uses of forest species (in this case, for pulp and paper production) is one of the best ways to ensure their viability and increase land use coverage by forests. Any improvement to this heavy industry will lead to substantial economic and environmental gains, whether by reducing the production cost, using new and greener processes, or creating new or improved end-products.

The aim of this Special Issue is to provide new knowledge on the advances achieved in the pulp and paper production technologies, mostly focusing on new forest pulpwood species, production conditions and optimizations in pulping, bleaching and papermaking processes, possible use of pre-treatments, and final product quality and purpose, which are crucial toward a more efficient and sustainable industry.

We welcome papers presenting the results of cutting-edge research on pulping, bleaching, and paper sciences from nonconventional pulpwood species, especially works using advanced research methods, new technologies, and final product end-uses.

We plan to publish high-quality papers presenting research on the advances on pulp and paper production.

 

Dr. Duarte M. Neiva
Dr. Solange Araújo
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Forests is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Alternative pulpwood species
  • Pre-treatments before pulping
  • Pulping and bleaching processes
  • Pulp and paper characterization

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Published Papers (3 papers)

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Research

14 pages, 2549 KiB  
Article
Evaluation of Pulp and Papermaking Properties of Melia azedarach
by Megersa Bedo Megra, Rakesh Kumar Bachheti, Mesfin Getachew Tadesse and Limenew Abate Worku
Forests 2022, 13(2), 263; https://doi.org/10.3390/f13020263 - 8 Feb 2022
Cited by 10 | Viewed by 3562
Abstract
As the world’s population rises, there is a greater need for additional pulpwood for paper production worldwide. Therefore, this research aimed to evaluate the pulp and papermaking characteristics of Melia azedarach. Proximate chemical analysis, fiber morphology, pulping, bleaching, and physical tests were [...] Read more.
As the world’s population rises, there is a greater need for additional pulpwood for paper production worldwide. Therefore, this research aimed to evaluate the pulp and papermaking characteristics of Melia azedarach. Proximate chemical analysis, fiber morphology, pulping, bleaching, and physical tests were carried out to check the suitability of raw material. The proximate chemical analysis results showed that M. azedarach has a holocellulose content of 72.95% and a lignin content of 22.14%. Fiber morphology assessment revealed that the fibers were 0.571 mm long, 13.45 μm wide, and had a 2.52 μm cell wall thickness. Kraft pulping of M. azedarach was performed at different active alkali contents (5%, 10%, 15%, 20%, and 25%) and temperatures (150 °C, 160 °C, 170 °C, 180 °C, and 190 °C), keeping the sulfidity constant at 25%. The maximum pulp yield was 41.81% at an active alkali content of 15%, a temperature of 170 °C, and a cooking time of 90 min. The effect of pulping on the fiber morphology was studied using scanning electron microscopy, which showed that the fiber’s surface before pulping was tight and arranged in an orderly way, with a relatively complex texture. After pulping, lignin, hemicellulose, and cellulose were removed, and the fiber became softer and more loosened, containing micropores. The pulp produced was bleached, and sheet preparation and testing were performed. The prepared paper sheets had a tensile index of 23.3 Nm/g, a burst index of 1.4 kPa m2/g, and a tear index of 4.0 mN m2/g. This study concluded that M. azedarach could be a raw material for the pulp and papermaking industries. The results indicated that M. azedarach is also a potential alternative resource for pulp and paper production in Ethiopia. Full article
(This article belongs to the Special Issue Forests Sustainable Application: Production of Pulp and Paper)
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15 pages, 3125 KiB  
Article
Determination of the Chemical Composition of Eucalyptus spp. for Cellulosic Pulp Production
by Túlio Anselmo Sacramento Vieira, Taiana Guimarães Arriel, Antônio José Vinha Zanuncio, Amélia Guimarães Carvalho, Monique Branco-Vieira, Sónia Alexandra Correia Carabineiro and Paulo Fernando Trugilho
Forests 2021, 12(12), 1649; https://doi.org/10.3390/f12121649 - 27 Nov 2021
Cited by 13 | Viewed by 3852
Abstract
The chemical composition of wood is important to assess the quality of this raw material for the industry of cellulosic pulp production. The purpose of this work was to determine the chemical composition of Eucalyptus spp. grown for cellulosic pulp production. Ten Eucalyptus [...] Read more.
The chemical composition of wood is important to assess the quality of this raw material for the industry of cellulosic pulp production. The purpose of this work was to determine the chemical composition of Eucalyptus spp. grown for cellulosic pulp production. Ten Eucalyptus spp. clones with six years of age, located in the municipality of Itamarandiba, Minas Gerais, Brazil, were used. Quantification was obtained for extractives, monosaccharides, uronic acids, acetates, lignin, ash and the phenolic composition of the extracts. In average, clones showed around 2.7% extractives, with a predominance of polar compounds soluble in ethanol and water; 27.7% lignin and 0.3% ash. Glucose was the main sugar detected (64.2%), followed by xylose (19.3%). The main components of the extractives were steroids, fatty acids and aromatic acids, followed by smaller amounts of substituted alkanoic acids, fatty alcohols, glycerol derivatives and triterpenes. The ethanol–water extracts presented total phenol contents ranging from 321.4 to 586.6 mg EAG/g of extract, tannins from 28.1 to 65.1 mg catechin/g of extract and flavonoids from 73.6 to 256.9 mg catechin/g of extract. Clones with a higher holocellulose amount and a lower lignin content showed a higher potential for cellulosic pulp production. These findings are important for the development of high-quality wood based on important traits for the pulp and paper sector. Full article
(This article belongs to the Special Issue Forests Sustainable Application: Production of Pulp and Paper)
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12 pages, 27243 KiB  
Article
Effect of Ozone Treatment on the Properties of Oil Palm Empty Fruit Bunch Sulfonated Chemi-Mechanical Pulp
by Xing Wan, Yang Ping and Jun Li
Forests 2021, 12(8), 1085; https://doi.org/10.3390/f12081085 - 13 Aug 2021
Cited by 3 | Viewed by 2206
Abstract
Oil palm empty fruit bunch (EFB) as an abundant waste material can be utilized for pulp production to alleviate the shortage of raw materials in the paper industry. Sulfonated chemi-mechanical pulp (SCMP) has great potential in paper making industry. However, its poor performance [...] Read more.
Oil palm empty fruit bunch (EFB) as an abundant waste material can be utilized for pulp production to alleviate the shortage of raw materials in the paper industry. Sulfonated chemi-mechanical pulp (SCMP) has great potential in paper making industry. However, its poor performance due to the high surface lignin content limits its application. In this study, we used EFB as raw material to produce SCMP and systematically studied the effect of ozone treatment on pulp properties. Results show that the surface structure and morphology of fibers exhibited distinct differences under different ozone dosage treatments. Compared to the control, the content of surface lignin of pulps was reduced by 2.56%, 4.64%, 13.24% and 25.24% when ozone consumption was 1, 3, 5 and 7 wt%, respectively. Meanwhile, the treated pulp had a lower drainability at the same refining energy level. Moreover, the physical and optical properties of handsheets were improved significantly after ozone treatment. Ozone treatment is a very efficient way to improve the performance of SCMP. Additionally, this method avoids complicated processes and chemical consumption. Therefore, as an effective, environmentally friendly and low-cost treatment method, ozone treatment can improve the performance of EFB SCMP and thus provide a high-quality pulp resource. Full article
(This article belongs to the Special Issue Forests Sustainable Application: Production of Pulp and Paper)
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