Recent Advances in Pretreatment of Lignocellulosic Biomass

A special issue of Biomass (ISSN 2673-8783).

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 3756

Special Issue Editors


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Guest Editor
1. Sustainable Packaging and Bioproducts Research (SPBR) Group, School of Food Science and Environmental Health, Faculty of Sciences and Health, Technological University Dublin, City Campus, Grangegorman, D07 ADY7 Dublin, Ireland
2. Environmental Sustainability and Health Institute, Technological University Dublin, City Campus, Grangegorman, D07 H6K8 Dublin, Ireland
Interests: food engineering; industrial biotechnology; biobased chemicals; nutraceuticals; waste valorisation; novel food processing technologies
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School of Food Science and Environmental Health, College of Sciences and Health, Technological University Dublin – City Campus, Grangegorman, D07ADY7 Dublin, Ireland
Interests: antimicrobial agents; antimicrobial coatings; active/intelligent packaging; biodegradable polymer; biomaterials
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Guest Editor
Department of Food Process Engineering, College of Engineering and Technology, Wolkite University, Wolkite, Ethiopia
Interests: biomass pretreatment; bioenergy; biofuels; biomass valorization; biorefinery
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Lignocellulosic biomass is the most abundantly available material on Earth, with an annual production of 181.5 billion tonnes, and is a potential feedstock to replace fossil-fuel-based energy and chemicals. The sustainability and renewable characteristics of the biomass have attracted researchers from various disciplines with the aim to ensure the transition to a circular bioeconomy. However, the inherent recalcitrant/reluctant nature of biomass, which is formed by the complex cellulose–hemicellulose–lignin matrix, is hindering biorefinery and bioconversion processes. Recent pretreatment studies have shown that the application of advanced pretreatment technologies effectively converts lignocellulose biomass to biofuels, chemicals, and other high-value compounds and materials. This ensures sustainable energy, chemicals, and material supply by effectively decarbonizing the current energy sector and tackling environmental problems. The aim of this Special Issue is to present innovative ideas and recent advancements in lignocellulose biomass pretreatments to promote the circular bioeconomy and sustainable development.

In this Special Issue, we invite you to submit original research, review articles, and opinions on the broad area of recent advancements in the pretreatment of lignocellulose biomass for biofuels, platform chemicals, and other bio-based compounds and material productions.

Dr. Amit K. Jaiswal
Dr. Swarna Jaiswal
Dr. Bahiru Tsegaye
Guest Editors

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Keywords

  • platform chemicals
  • biorefinery
  • bioconversion
  • circular bioeconomy
  • biofuels
  • bio-based materials
  • lignocellulose biomass
  • biomass pretreatment
  • sustainable development
  • climate change
  • decarbonization

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Published Papers (1 paper)

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Research

18 pages, 6746 KiB  
Article
The Impact of Fibre Oxidation on the Preparation of Cellulose Nanocrystals (CNC)
by Behzad Ahvazi, Christophe Danumah, Tri-Dung Ngo, Zhengxiang Zhu and Heather Lorenz
Biomass 2022, 2(4), 316-333; https://doi.org/10.3390/biomass2040021 - 2 Nov 2022
Cited by 1 | Viewed by 2460
Abstract
This study aimed to evaluate the effect of fibre oxidation on the extent of substituted sulfate on cellulose nanocrystals (CNC). In this investigation, fully bleached softwood (SW) and hardwood (HW) pulps from an Alberta pulp mill were oxidized under low (4%), medium (10%), [...] Read more.
This study aimed to evaluate the effect of fibre oxidation on the extent of substituted sulfate on cellulose nanocrystals (CNC). In this investigation, fully bleached softwood (SW) and hardwood (HW) pulps from an Alberta pulp mill were oxidized under low (4%), medium (10%), and the higher-end of medium (14%) oxygen consistencies. The oxidized pulp samples were hydrolyzed with concentrated sulfuric acid under conventional procedures to produce CNC. The CNC materials were then characterized by different qualitative and quantitative techniques to evaluate the effect of oxidations on the number of substituted sulfates and the overall sulfate charge of isolated CNC to develop novel high-value applications. The experimental data show that fibre oxidation helped improve the overall CNC yield, with lower half-ester sulfate contents compared to the controls. The half-ester sulfate contents and the viscosity for SW CNC were found to be higher than their HW CNC counterparts. However, the thermal stability of CNC was found to be better for HW than SW pulps. The emerging data help to prepare and engineer CNC tailored to specific applications. Full article
(This article belongs to the Special Issue Recent Advances in Pretreatment of Lignocellulosic Biomass)
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