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Bioprocess Engineering for a Green and Sustainable Society
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Bioprocess Engineering for a Green and Sustainable Society

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Science and Engineering".

Deadline for manuscript submissions: closed (31 January 2021) | Viewed by 4775

Special Issue Editors

Dr. Alok Kumar Patel

E-Mail Website
Guest Editor
Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, 97187 Luleå, Sweden
Interests: bioprocess development; metabolic engineering; biomass pretreatment; oleaginous microorganisms; nutraceuticals and value-added products from microalgae; renewable energy; biomass production; biofuels; waste volarization
Special Issues, Collections and Topics in MDPI journals
Dr. Leonidas Matsakas

E-Mail Website
Guest Editor
Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, C148 Luleå, Sweden
Interests: biomass pretreatment and fractionation; organosolv; bioenergy; biofuels; biomaterials; heterotrophic growth of algae; production of nutraceutical compounds; lignin valorization; enzymatic processes
Special Issues, Collections and Topics in MDPI journals
Dr. Neha Arora

E-Mail Website
Guest Editor
1. Biology Department, Skidmore College, Saratoga Springs, NY 12866, USA
2. Courtesy Faculty, Patel College of Global Sustainability, USF, Tampa, FL 33620, USA
Interests: microbial biotechnology; biofuels; genetic engineering; bio-products; OMICS
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The impending danger of climate change and pollution can now be seen on a worldwide scale. Achieving a green and sustainable society requires using renewable resources to generate fuels, chemicals, and materials. This Special Issue titled “Bioprocess Technology for a Green and Sustainable Society” aims to explore various bioprocesses that are essential to our daily lives, in particular the major issues relating to biofuel energy production and waste management. Bioprocessing has gained commercial interest in the production of pharmaceuticals, nutraceuticals, foods, flavors, fuels, and chemicals with the aid of a biocatalyst, such as enzymes, microorganisms, plant cells, or animal cells in a bioreactor. The key benefits in the move towards bioproducts include the sustainability of renewable biomass, replacing depleted fossil energy, and reducing greenhouse gas emissions from the present petroleum-based chemical and energy industries. This Special Issue aims to explore bioprocessing for biofuels, bio-based chemicals, and bioproducts and biomass biorefinery processes, including establishing novel pretreatment and fractionation technologies for the fractionation of lignocellulose biomass to cellulose, hemicellulose, and lignin and the conversion of these streams to biofuels, biobased chemicals, and biomaterials via biochemical and thermochemical routes. The scope of this Special Issue will also cover the advancement of oleaginous microorganisms for biofuel and nutraceutical production.

Authors are encouraged to contact one of the editors to discuss the relevance of their selected topic before the submission deadline.

Dr. Alok Patel
Dr. Leonidas Matsakas
Dr. Neha Arora
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. International Journal of Environmental Research and Public Health 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 2500 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

  • biofuels
  • bioproducts
  • nutraceuticals
  • oleaginous microorganisms
  • renewable feedstocks
  • pretreatment of biomass
  • biorefinery

Published Papers (1 paper)

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Research

18 pages, 2704 KiB  
Article
Environment-Friendly Biodiesel/Diesel Blends for Improving the Exhaust Emission and Engine Performance to Reduce the Pollutants Emitted from Transportation Fleets
by Amit Kumar Sharma, Pankaj Kumar Sharma, Venkateswarlu Chintala, Narayan Khatri and Alok Patel
Int. J. Environ. Res. Public Health 2020, 17(11), 3896; https://doi.org/10.3390/ijerph17113896 - 31 May 2020
Cited by 35 | Viewed by 3910
Abstract
Biodiesel derived from biomass is a renewable source of fuel, and global application of biodiesel in the transport sector has rapidly expanded over the last decade. However, effort has been made to overcome its main shortcoming, i.e., efficiency and exhaust emission characteristics (NOx [...] Read more.
Biodiesel derived from biomass is a renewable source of fuel, and global application of biodiesel in the transport sector has rapidly expanded over the last decade. However, effort has been made to overcome its main shortcoming, i.e., efficiency and exhaust emission characteristics (NOx emissions) in unmodified diesel engines. Biodiesel combustion generally results in lower unburned hydrocarbons (HC), carbon monoxide (CO), and particulate matter (PM) in exhaust emissions compared to fossil diesel. In this study, various biodiesel blends (Chlorella vulgaris, Jatropha curcus, and Calophyllum inophyllum) were investigated for fuel characteristics, and engine performance with exhaust emission compared to diesel. Chlorella vulgaris, Jatropha curcus, and Calophyllum inophyllum biodiesel were synthesized by the acid–base transesterification approach in a microwave reactor and blended with conventional diesel fuel by volume. The fuel blends were denoted as MB10 (90% diesel + 10% microalgae biodiesel), MB20 (80% diesel + 20% microalgae biodiesel), JB10 (90% diesel + 10% jatropha biodiesel), JB20 (80% diesel + 20% jatropha biodiesel), PB10 (90% diesel + 10% polanga biodiesel) and PB20 (80% diesel + 20% polanga biodiesel). Experiments were performed using these fuel blends with a single-cylinder four-stroke diesel engine at different loads. It was shown in the results that, at rated load, thermal efficiency of the engine decreased from 34.6% with diesel to 34.1%, 33.7%, 34.1%, 34.0%, 33.9%, and 33.5% with MB10, MB20, JB10, JB20, PB10, and PB20 fuels, respectively. Unburned hydrocarbon, carbon monoxide and smoke emissions improved with third-generation fuels (MB10, MB20) in comparison to base diesel fuel and second-generation fuels (JB10, JB20, PB10 and PB20). Oxides of nitrogen emissions were slightly increased with both the third- and second-generation fuels as compared to the base diesel. The combustion behavior of microalgae biodiesel was also very close to diesel fuels. In the context of comparable engine performance, emissions, and combustion characteristics, along with biofuel production yield (per year per acre), microalgae biodiesel could have a great potential as a next-generation sustainable fuel in compression engine (CI) engines compared to jatropha and polanga biodiesel fuels. Full article
(This article belongs to the Special Issue Bioprocess Engineering for a Green and Sustainable Society)
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