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Fermentation
Special Issues
Integrated Biorefinery for Biofuels and Biochemicals
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Integrated Biorefinery for Biofuels and Biochemicals

A special issue of Fermentation (ISSN 2311-5637). This special issue belongs to the section "Industrial Fermentation".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 2178

Special Issue Editor

Dr. Sachin Kumar

E-Mail Website
Guest Editor
Biochemical Conversion Division, Sardar Swaran Singh National Institute of Bio-Energy, Kapurthala 144601, Punjab, India
Interests: biofuels; biomass; bioethanol; biogas; algal biomass

Special Issue Information

Dear Colleagues,

The continuous depletion of non-renewable sources of energy and petrochemicals, as well as increased environmental issues, high expenses in a petroleum refinery due to the limited resources of crude oil, and dependence on other countries for import has led to the exploration of renewable resources necessary for the survival of society. To combat these issues, agricultural residues could utilized as an excellent resource of renewable energy, chemicals and synthetic polymers, due to their plentiful availability, cheaper cost, non-competitiveness with food or other essential resources, etc. Biomass-based refineries for renewable energy carriers and other value-added products is an outstanding choice from both an economical and environmental perspective. An economically and environmentally feasible “integrated biorefinery” is a strategy used to operate individual conversion routes of biomass to different products in an integrated manner to enhance their overall efficiencies. This is a sustainable approach for waste management along with the generation of renewable and cleaner fuels, chemicals, food, materials, bioplastics, etc. An integrated biorefinery is associated with the exploitation of various polymeric constituents of cell wall biomass, i.e., glucan, xylan and lignin for the conversion into biofuels and biochemicals in a sustainable and economically viable manner. 

Dr. Sachin Kumar
Guest Editor

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. Fermentation 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 2100 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

  • lignocellulosic biomass
  • algal biomass
  • biofuels
  • lignin valorization
  • bioplastics, biofilms and biopolymers

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Published Papers (1 paper)

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Research

11 pages, 3622 KiB  
Article
Phosphorus-Containing Catalyst Impact on Furfural and Glucose Production during Consecutive Hydrothermal Pretreatment and Enzymatic Hydrolysis
by Prans Brazdausks, Daniela Godina and Maris Puke
Fermentation 2023, 9(9), 803; https://doi.org/10.3390/fermentation9090803 - 31 Aug 2023
Cited by 2 | Viewed by 1382
Abstract
Lignocellulosic biomasses have a very important role as raw materials to produce biobased chemicals. However, a sustainable, efficient, and economically competitive way to convert lignocellulosic biomass into these chemicals has still not been achieved. This study is related to the selective separation and [...] Read more.
Lignocellulosic biomasses have a very important role as raw materials to produce biobased chemicals. However, a sustainable, efficient, and economically competitive way to convert lignocellulosic biomass into these chemicals has still not been achieved. This study is related to the selective separation and conversion of birch wood C5 carbohydrates into furfural during the H3PO4–NaH2PO4-catalyzed hydrothermal pretreatment simultaneously preserving cellulose in the lignocellulosic leftover for glucose production by the enzymatic hydrolysis. The ratio of H3PO4–NaH2PO4 in the catalyst solution was changed (3:0, 2:1, 1:1, and 1:2). Results show that around 64.1 to 75.9% of available C5 carbohydrates were converted into furfural. The results of birch wood lignocellulosic leftover chemical composition analysis show that cellulose losses during the pretreatment stage did not reach more than 10% of the initial amount. Based on the enzymatic hydrolysis screening experiments, a suitable catalyst for pretreatment was selected and an in-depth study was carried out. Enzymatic hydrolysis experiments were organized based on the three-factor central composite face-centered design. The variable parameters were treatment time (24–72 h), enzyme load (10–20 U/g cellulose), and substrate amount in reaction media (10–20%). At optimal conditions, 49.9 ± 0.5% of available cellulose in lignocellulosic leftover was converted into glucose. Full article
(This article belongs to the Special Issue Integrated Biorefinery for Biofuels and Biochemicals)
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