Special Issue "Advances of Biogas and Biofuel Production"

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Green Processes".

Deadline for manuscript submissions: 15 April 2021.

Special Issue Editor

Prof. Borja Velázquez-Martí
Website1 Website2
Guest Editor
Departamento de Ingeniería Rural y Agroalimentaria, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
Interests: biomass; bioenergy; agricultural mechanization
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

Anaerobic digestion has proven to be a key process in any sustainable technological strategy applied to organic waste management, transforming organic matter to valuable intermediates, which can be recovered, and finally to biogas, which can be used for the production of heat and electricity or upgraded to biomethane. This process has been known for hundreds of years; however, it is still the subject of research, currently focused on four aspects:

  • Analysis of fermentability of new raw materials, individually or in co-digestion;
  • Evaluation of new inoculums, and analysis of the interaction between raw materials and inoculum, along with nutritional requirements;
  • Studies of thermal sequences the processes, alternating between thermophilic and mesophilic stages, evaluating productivity, kinetics, and net energy balance;
  • Kinetic models of the process;
  • Microbiological identification involved in fermentation according to the substrate and thermal process followed;
  • Raw material pretreatments to improve the efficiency of the digestive process;
  • Biogas purification;
  • Biogas applications;
  • Integration of biogas in the diversified and decentralized energy matrix.

Biofuels combined with electricity have assumed such an important role that they are increasingly seen as a potential solution to the transport problems. The production and use of biofuels in a sustainable way is still a challenge, regardless of the evident research efforts and political objectives. This is a complex multidisciplinary problem that encloses issues such as

  • Raw materials and pretreatments;
  • Process;
  • Catalysis;
  • Purification process;
  • By-products;
  • Applications.

We invite submissions to a Special Issue of the journal Processes on the topic of state-of-the-art biogas and biofuels; processes; future perspectives; and challenges.

Prof. Borja Velázquez-Martí
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 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. Processes 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 1500 CHF (Swiss Francs). Please note that for papers submitted after 31 December 2020 an APC of 2000 CHF applies. 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.


  • biodiesel
  • bioethanol
  • fermentation
  • codigestion
  • inoculum
  • pretreatments
  • kinetics models
  • biofuels applications
  • energy matrix

Published Papers

This special issue is now open for submission.
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