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Fermentation
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Biofuels Production from Solid Waste
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Biofuels Production from Solid Waste

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

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 9096

Special Issue Editors

Prof. Dr. Lebaka Veeranjaneya Reddy

E-Mail Website
Guest Editor
Department of Microbiology, Yogi Vemana University, Kadapa 516003, India
Interests: silver nanoparticles; green synthesis; biofabrication; acetone; biobutanol; ethanol fermentation
Prof. Dr. Young-Jung Wee

E-Mail Website
Guest Editor
Department of Food Science and Technology, Yeungnam University, Gyeongsan, Republic of Korea
Interests: acetone; biobutanol; ethanol fermentation
Prof. Dr. Korivi Mallikarjuna

E-Mail Website
Guest Editor
College of PE and Health Sciences, Zhejiang Normal University, Jinhua, China
Interests: metabolism biochemistry; nutrition; insulin resistance; exercise science; biomedical science; molecular biology; antioxidant activity; cell signaling

Special Issue Information

Dear Colleagues,

Energy is a key factor for enhancing the prominence of life through human welfare, social development, and economic growth. The economics of developing countries have been fast programming for two decades and require sufficient energy to continue their growth in the future. Energy sources include two types: 1) renewable sources, which are freely regenerated in a short period such as solar, wind, geothermal, tidal, waterfall, and animal-wax and plant-derived biofuels; 2) non-renewable sources, which come from limited energy sources such as fossil fuels, coal, and natural gas (http://www.need.org). Non-renewable energy sources are unsustainable ones and are consumed very fast compared to the time taken to form. In the present era, factors such as traditional logistics, storage, and application methods have made non-renewable sources promising energy sources, and their usage is increasing very fast because of rapid urbanization and industrialization. These situations lead to increased fuel prices. The raising fuel price day by day is hampering the economy and growth of society as human beings are mainly dependent on liquid transportation fuel. The increased usage of fossil fuels releases huge amounts of toxic gases, and global warming has led to unpredicted climatic changes such as high rainfall and high temperatures. So, the need for alternative fuels has been raised for national economic development and also for environmental concerns. Thus, the International Energy Agency (IEA) set up a goal for renewable fuel production to reduce dependency on petroleum and coal by achieving more than a quarter of the world demand for transportation fuels. Greenhouse gas emissions can be lowered by the biofuels produced from solid waste/lignocellulosic biomass when compared to biofuels obtained from corn and other food-related feedstocks. It is an additional benefit of lignocellulosic biomass. Utilizing solid waste requires conversion to simple sugars by highly efficient pretreatment and hydrolysis processes, and these are very important in controlling the economics of the process. Nanoparticles in fermentation and the pretreatment and hydrolysis process are also gaining specific interest.

To explore concepts and understand the potential applications of solid waste, we aim to collect studies carried out with recent innovative research results, as well as review papers on the production of biofuels (ethanol, butanol, methane, hydrogen, and value-added co-products) from solid waste (agriculrutal residues, industrial by-products,  forest residues, grassland waste, municipal solid waste) feedstocks by all types of fermentation processes. Review and research papers on the development of new and integrated pretreatment methods, novel enzymes for solid waste hydrolysis, and microbial strains are also of interest. If making a review paper contribution, please contact one of the editors to discuss the topic’s relevance before submitting the manuscript.

Topics of interest include, but are not limited to:

ethanol, butanol, methane, hydrogen, and value-added co-products; agricultural residues; industrial by-products; forest residues; grassland waste; municipal solid waste; ionic liquids; single-pot pretreatment and hydrolysis; AFEX; nanoparticles in fermentation and the pretreatment and hydrolysis process.

Prof. Dr. Lebaka Veeranjaneya Reddy
Prof. Dr. Young-Jung Wee
Prof. Dr. Korivi Mallikarjuna
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. 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 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

  • solid waste
  • lignocellulosic biomass
  • algal biomass
  • pretreatment
  • hydrolysis
  • simultaneous saccharification and fermentation (ssf)
  • microbial enzymes
  • biofuel production

Published Papers (3 papers)

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Research

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16 pages, 2786 KiB  
Article
Biohydrogen Production from Buckwheat Residue Using Anaerobic Mixed Bacteria
by Nesrin Dursun
Fermentation 2024, 10(1), 15; https://doi.org/10.3390/fermentation10010015 - 23 Dec 2023
Viewed by 1159
Abstract
In the world, wastes/residues from agricultural activities are rapidly increasing, causing environmental problems. These wastes/residues can be used for the production of biohydrogen as a raw material. In this context, buckwheat crop residue, which has not been found in any study on biohydrogen [...] Read more.
In the world, wastes/residues from agricultural activities are rapidly increasing, causing environmental problems. These wastes/residues can be used for the production of biohydrogen as a raw material. In this context, buckwheat crop residue, which has not been found in any study on biohydrogen production potential in the literature research, was investigated for biological hydrogen production via the dark fermentation method. This study was conducted in anaerobic batch bioreactors containing buckwheat or buckwheat extract + pretreated anaerobic mixed bacteria + nutrients, in a darkroom, at 37 ± 1 °C. Gas analyses, organic acid analyses and taxonomic content analyses were performed in bioreactors under different operating conditions (initial pH and organic loading rate). Biological hydrogen production was determined in all bioreactors. In addition, hydrogen production was found to be higher in bioreactors where biomass was used directly. The maximum biohydrogen production was determined to be 11,749.10−4 mL at 1.20 g. buckwheat/L and 446.10−4 mL at 1.20 g. buckwheat extract/L at pH 4.5. According to the taxonomic content species’ level ratios, (i) in bioreactors where biomass was used directly, Hathewaya histolytica and Clostridium butyricum were detected at pH values of 4.5 and 4.0, respectively; and (ii) in bioreactors where biomass extract liquid was used, Clostridium butyricum and Clostridium tertium were determined as the most dominant bacteria at pH values of 4.5 and 4.0, respectively. Full article
(This article belongs to the Special Issue Biofuels Production from Solid Waste)
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Review

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18 pages, 1862 KiB  
Review
Fish Waste: A Potential Source of Biodiesel
by Vankara Anu Prasanna, Thummala Chandrasekhar, Khateef Riazunnisa, Pula Rajendra Kumar, Shegu Venkata Ravi Teja, Dasari Rajeswari, Madhava C. Reddy, Young-Jung Wee and Veeranjaneya Reddy Lebaka
Fermentation 2023, 9(9), 861; https://doi.org/10.3390/fermentation9090861 - 21 Sep 2023
Viewed by 3471
Abstract
The continuously increasing energy requirement on one hand and the incessant depletion of non-renewable fossil fuels on the other urge us to focus on alternative renewable energy sources such as biofuels. Biofuels including biodiesel, bioethanol, biobutanol, biohydrogen, etc., are generated from different biological [...] Read more.
The continuously increasing energy requirement on one hand and the incessant depletion of non-renewable fossil fuels on the other urge us to focus on alternative renewable energy sources such as biofuels. Biofuels including biodiesel, bioethanol, biobutanol, biohydrogen, etc., are generated from different biological sources, and their waste which stands as the best alternative in the present scenario. Specifically, the utilization of biological wastes as raw materials for the production of biofuels is considered as best waste management practice. To date, most of the biodiesel production research has been carried out with plant, algal, and microbial samples, or their waste. It is a well-known fact that diesel can also be produced from specific oily fish and their waste using different methods. In addition, fish waste constitutes a major quantity compared to other food waste which is a serious concern. Furthermore, the disposal of fish waste shows an impact on both the environment and the economy. Hence, the development of protocols for the efficient production of biodiesel from fish waste is the ultimate goal. However, insufficient knowledge and less effort in the conversion of fish waste to biodiesel impede the achievement of this goal. Therefore, this review intends to summarize the mechanism of biodiesel production from fish waste. Also, various physico-chemical factors involved in biodiesel production from fish waste were discussed. In addition, research on biodiesel generation from various fish wastes or waste fish oil was also emphasized in detail, which will be helpful for commercial practice. Overall, this information will be useful for improvement in biodiesel production from fish waste. Full article
(This article belongs to the Special Issue Biofuels Production from Solid Waste)
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29 pages, 2157 KiB  
Review
Algae: The Reservoir of Bioethanol
by Thummala Chandrasekhar, Duddela Varaprasad, Poreddy Gnaneswari, Battana Swapna, Khateef Riazunnisa, Vankara Anu Prasanna, Mallikarjuna Korivi, Young-Jung Wee and Veeranjaneya Reddy Lebaka
Fermentation 2023, 9(8), 712; https://doi.org/10.3390/fermentation9080712 - 27 Jul 2023
Cited by 3 | Viewed by 3991
Abstract
Overuse of non-renewable fossil fuels due to the population explosion urges us to focus on renewable fuels such as bioethanol. It is a well-known fact that ethanol is useful as a blending product with common fuels such as petrol and diesel. This reduces [...] Read more.
Overuse of non-renewable fossil fuels due to the population explosion urges us to focus on renewable fuels such as bioethanol. It is a well-known fact that ethanol is useful as a blending product with common fuels such as petrol and diesel. This reduces the cost besides bringing down environmental pollution. Apart from chemical methods, bioethanol is generated from photosynthetic plants including algae, plant-based products, microbial organisms and their waste. Specifically, the production of ethanol from microalgal sources has been an attractive method in recent days. The reason behind using microalgal species is their simple structure with photosynthetic ability. In contrast, certain algal species often go disused in some regions. Hence, the production of ethanol from algal sources is one of the best waste management practices. Moreover, it is easy to improve the biomass in microalgal species by altering the physicochemical conditions such as light, pH, temperature, external supply of nutrients, vitamins, nano-sized particles, gene alterations etc., which will enhance ethanol production. In this review, the methods used for ethanol production are discussed. In addition, the factors involved in algal growth and ethanol production are emphasized. Overall, this review focuses on ethanol production from various algal species. This information will be useful for industrial-level production of ethanol and future renewable energy research. Full article
(This article belongs to the Special Issue Biofuels Production from Solid Waste)
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