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Special Issue "Efficient Technology for the Pretreatment of Biomass"

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Green Chemistry".

Deadline for manuscript submissions: 30 June 2018

Special Issue Editors

Guest Editor
Dr. Helene Carrere

LBE, INRA Institut National de La Recherche Agronomique, Montpellier Université, Avenue des etangs, 11100 Narbonne, France
Website | E-Mail
Interests: physico–chemical and biological pretreatments; anaerobic digestion; dark fermentation; lignocellulosic biomass; agricultural residues; sludge; fatty residues
Guest Editor
Dr. Aline Carvalho da Costa

Faculdade de Engenharia Química, Universida de Estadual de Campinas, Campinas, Brazil
Website | E-Mail
Interests: biomass pretreatment; enzymatic hydrolysis; hexoses and pentoses fermentation; second generation ethanol; enzyme production
Guest Editor
Dr. Cigdem Eskicioglu

The University of British Columbia, UBC Bioreactor Technology Group, Kelowna, Canada
Website | E-Mail
Interests: sludge pretreatment; advanced anaerobic digestion; nutrient removal/recovery from wastewater; odor minimization; fate of micropollutants
Guest Editor
Dr. Ivet Ferrer

Universitat Politecnica de Catalunya•BarcelonaTech, Department of Civil & Environmental Engineering, Group of Environmental Engineering and Microbiology, Barcelona, Spain
Website | E-Mail
Interests: microalgae; sludge; pretreatment techniques; anaerobic digestion; biogas; life cycle assessment (LCA)

Special Issue Information

Dear Colleagues,

Biomass corresponds to organic matter of animal, vegetable, microbial, or algal origin. Biomass use as feedstock for biomaterial, chemicals, platform molecules, biofuel or bioenergy are the most reliable alternatives to limit fossil fuel consumption and to reduce greenhouse gas emissions. Resource recovery from different kinds of waste, such as sludge, food waste, municipal solid waste, and animal waste (manure and slaughterhouse waste) is particularly interesting from an environmental point of view, as it also reduces environmental pollution. In addition, lignocellulosic biomass and algae, which do not compete for food production, represent an important source of renewable resources (i.e., energy and other value-added products). However, a pretreatment step is generally required before biomass (bio)-conversion into valuable products in order to increase the process yield and/or productivity.

Pretreatmentsare applied upstream of various conversion processes of biomass into biofuel or biomaterial with valuable end products such as bioethanol, biohydrogen, biomethane, biomolecules or biomaterials. Pretreatments cover a wide range of processes that include mechanical, thermal, chemical and biological techniques. This step is recognized as crucial and cost intensive for the development of biorefineries. Thus, more research is necessary to identify the most effective and economical pretreatment options for different biomass sources.

This Special Issue aims to gather research papers on recent developments of biomass pretreatments for biomaterial, chemicals, biofuel or bioenergy production, in the fields of Chemistry Sciences, Process Engineering, Chemical Engineering, Modeling and Control, Energy and Fuels, and Bioprocesses. Papers describing new insights on pretreatment mechanisms, development of new and efficient pretreatment processes, environmental, energy or economical assessments and modeling of more conventional pretreatment processes are particularly expected. Review articles are also welcome.

Dr. Helene Carrere
Dr. Aline Carvalho da Costa
Dr. Cigdem Eskicioglu
Dr. Ivet Ferrer
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 papers will be 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. Molecules 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 1800 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.


  • New pretreatment process
  • Pretreatment mechanisms
  • Pretreatment modeling
  • Environmental assessment
  • Energy assessment
  • Economic assessment
  • Biomass fractionation for biorefinery
  • Life cycle assessment

Published Papers (1 paper)

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Open AccessArticle Mechano-Enzymatic Deconstruction with a New Enzymatic Cocktail to Enhance Enzymatic Hydrolysis and Bioethanol Fermentation of Two Macroalgae Species
Molecules 2018, 23(1), 174; doi:10.3390/molecules23010174
Received: 14 November 2017 / Revised: 19 December 2017 / Accepted: 7 January 2018 / Published: 17 January 2018
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The aim of this study was to explore the efficiency of a mechano-enzymatic deconstruction of two macroalgae species for sugars and bioethanol production, by using a new enzymatic cocktail (Haliatase) and two types of milling modes (vibro-ball: VBM and centrifugal milling: CM). By
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The aim of this study was to explore the efficiency of a mechano-enzymatic deconstruction of two macroalgae species for sugars and bioethanol production, by using a new enzymatic cocktail (Haliatase) and two types of milling modes (vibro-ball: VBM and centrifugal milling: CM). By increasing the enzymatic concentration from 3.4 to 30 g/L, the total sugars released after 72 h of hydrolysis increased (from 6.7 to 13.1 g/100 g TS and from 7.95 to 10.8 g/100 g TS for the green algae U. lactuca and the red algae G. sesquipedale, respectively). Conversely, total sugars released from G. sesquipedale increased (up to 126% and 129% after VBM and CM, respectively). The best bioethanol yield (6 geth/100 g TS) was reached after 72 h of fermentation of U. lactuca and no increase was obtained after centrifugal milling. The latter led to an enhancement of the ethanol yield of G. sesquipedale (from 2 to 4 g/100 g TS). Full article
(This article belongs to the Special Issue Efficient Technology for the Pretreatment of Biomass)

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