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Applications of near-infrared spectroscopy (NIRS) in biomass energy conversion processes: A review
Mälardalen University, School of Business, Society and Engineering, Future Energy Center. (Future Energy Center)ORCID iD: 0000-0002-5341-3656
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-8466-356X
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-7233-6916
(English)In: Applied spectroscopy reviews (Softcover ed.), ISSN 0570-4928, E-ISSN 1520-569XArticle in journal (Refereed) Epub ahead of print
Abstract [en]

Biomass used in energy conversion processes is typically characterized by high variability, making its utilization challenging. Therefore, there is a need for a fast and non-destructive method to determine feedstock/product properties and directly monitor process reactors. The near-infrared spectroscopy (NIRS) technique together with advanced data analysis methods offers a possible solution. This review focuses on the introduction of the NIRS method and its recent applications to physical, thermochemical, biochemical and physiochemical biomass conversion processes represented mainly by pelleting, combustion, gasification, pyrolysis, as well as biogas, bioethanol, and biodiesel production. NIRS has been proven to be a reliable and inexpensive method with a great potential for use in process optimization, advanced control, or product quality assurance.

Keyword [en]
Biodiesel, bioethanol, biogas, biomass, chemometrics, near-infrared spectroscopy, NIRS, near infrared, NIR, instrumentation
National Category
Analytical Chemistry Energy Systems Chemical Process Engineering Bioenergy Bioprocess Technology
Research subject
Biotechnology/Chemical Engineering; Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-34992DOI: 10.1080/05704928.2017.1289471OAI: oai:DiVA.org:mdh-34992DiVA: diva2:1078245
Available from: 2017-03-03 Created: 2017-03-03 Last updated: 2017-03-27Bibliographically approved
In thesis
1. Near-Infrared Spectroscopy and Extractive Probe Sampling for Biomass and Combustion Characterization
Open this publication in new window or tab >>Near-Infrared Spectroscopy and Extractive Probe Sampling for Biomass and Combustion Characterization
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Biomass is characterized by highly variable properties. It can be converted to more valuable energy forms and products through a variety of conversion processes. This thesis focuses on addressing several important issues related to combustion and pulping.

Experimental investigations were carried out on a biomass-fired industrial fluidized-bed boiler. The observed combustion asymmetry was explained by an imbalance in the fuel feed. Increased levels of carbon monoxide were detected close to boiler walls which contribute significantly to the risk of wall corrosion.

Moreover, extensive literature analysis showed that near-infrared spectroscopy (NIRS) has a great potential to provide property information for heterogeneous feedstocks or products, and to directly monitor processes producing/processing biofuels in real-time. The developed NIRS-based models were able to predict characteristics such as heating value, ash content and glass content. A study focusing on the influence of different spectra acquisition parameters on lignin quantification was carried out. Spectral data acquired on moving woodchips were found to increase the representativeness of the spectral measurements leading to improvements in model performance.

The present thesis demonstrates the potential of developing NIRS-based soft-sensors for characterization of biomass properties. The on-line installation of such sensors in an industrial setting can enable feed-forward process control, diagnostics and optimization.

Place, publisher, year, edition, pages
Västerås: Mälardalen University, 2017
Series
Mälardalen University Press Dissertations, ISSN 1651-4238 ; 224
National Category
Energy Systems Chemical Process Engineering
Research subject
Energy- and Environmental Engineering
Identifiers
urn:nbn:se:mdh:diva-35041 (URN)978-91-7485-317-9 (ISBN)
Public defence
2017-04-26, Pi, Mälardalens högskola, Västerås, 09:15 (English)
Opponent
Supervisors
Available from: 2017-03-20 Created: 2017-03-19 Last updated: 2017-04-18Bibliographically approved

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Publisher's full texthttp://www.tandfonline.com/eprint/np5v9BTK6e5u5weINhCh/full

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Skvaril, JanKyprianidis, Konstantinos G.Dahlquist, Erik
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Applied spectroscopy reviews (Softcover ed.)
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CiteExportLink to record
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Citation style
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