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  4. Operational excellence in a biogas plant through integration of Lean Six Sigma methodology
 
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Operational excellence in a biogas plant through integration of Lean Six Sigma methodology

Citation Link: https://doi.org/10.15480/882.4461
Publikationstyp
Journal Article
Date Issued
2022-06-29
Sprache
English
Author(s)
Çınar, Samet  
Önen Çınar, Senem  
Staudter, Christian  
Kuchta, Kerstin  orcid-logo
Institut
Circular Resource Engineering and Management V-11  
TORE-DOI
10.15480/882.4461
TORE-URI
http://hdl.handle.net/11420/13101
Journal
Designs  
Volume
6
Issue
4
Article Number
0061
Citation
Designs 6 (4): 0061 (2022-06-29)
Publisher DOI
10.3390/designs6040061
Scopus ID
2-s2.0-85133544123
Publisher
MDPI
Process optimization with Lean Six Sigma (LSS) has become more popular every day for years in almost every kind of industry. This integration has brought an even wider variety of possible application areas for industries and research institutes. Recently, the use of LSS for process optimization in biological fields has become more and more common. In this study, LSS methodology is used for process optimization in an industrial scale biogas plant in Hamburg, Germany. The methodology used includes all the DMAIC cycle and related tools. Hypothesis tests were used to calculate the p-value of each experiment for the LSS interpretation. Due to the experimental factors, one-way ANOVA and 1-sample Z-test were used to determine the p-values. By conducting hypothesis testing after the analysis phase of this study, it was found that particle size, freshness of the substrate, and the amount of sand content in the substrate had a significant effect on the desired amount of biogas produced with a p-value of less than 0.01. These root causes led to approaches that focused on high quality feedstock and sufficient pretreatment methods. This paper represents a pioneering example of integrating Lean Six Sigma into biogas plant operation.
Subjects
Lean Six Sigma
process optimization
anaerobic digestion
biogas production
DDC Class
600: Technik
620: Ingenieurwissenschaften
Funding(s)
Open-Access-Publikationskosten / 2022-2024 / Technische Universität Hamburg (TUHH)  
Funding Organisations
Deutsche Forschungsgemeinschaft (DFG)  
Deutscher Akademischer Austauschdienst (DAAD)  
More Funding Information
Publishing fees funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)–Projektnumber 491268466 and the Hamburg University of Technology (TUHH) in the funding programme “Open Access Publishing”. We would like to thank the German Academic
Exchange Service (DAAD) for their scholarship to Senem Önen Cinar.
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/4.0/
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