Research Topic

Innovative approaches regarding the optimization of the operating performance of pulse-cleaned baghouse filters for gas treatment

Pulse-cleaned surface filters are used in a variety of applications as a means to separate particles from loaded gas streams for gas purification or product recovery. Two important criteria regarding the performance of the filter systems are energy demand and particle emissions, both of which should be low during optimal operation. Considering the significance of digitalization and Industry 4.0, improved control of the baghouse filter systems is key for an increase in efficiency.

Main requirements for process monitoring are suitable sensors for the measurement of relevant process parameters. Regarding the measurement of particle concentration, cheap and compact low-cost PM-sensors have been established in immission measurement. These sensors can also be applied in baghouse filters to evaluate the emission behavior of distinct filter bags.

The aim of this research project is the measurement of the local process parameters in a baghouse filter system via widely spread sensor arrays to gain insights regarding optimal operation conditions of baghouse filter system.

Bachelor and Master Theses
Title	Type	Time

Publications
Title	Authors	Source
Impact of seams on the operating behavior of surface filters regarding particle emissions	C.R. de Lacerda, P. Bächler, A.D. Schwarz, R. Sartim, M.L. Aguiar, A. Dittler	Chemical Engineering & Technology, 2022, 45, No. 7, 1354-1362, https://doi.org/10.1002/ceat.202200132
Exploratory measurements of ambient air quality in a residential area applying a diffusion charge based UFP monitor	P. Bächler, F. Weis, S. Kohler, A. Dittler	Gefahrstoffe, 2024, 84, 01-02, 15-22, https://doi.org/10.37544/0949-8036-2024-01-02-17
Characterization of the emission behavior of pulse-jet cleaned filters using a low-cost particulate matter sensor	P. Bächler, J. Meyer, A. Dittler	Gefahrstoffe Reinhaltung der Luft 79, 2019, 79, Nr. 11-12, 443-450
Measurement of transient nanoparticle emissions of pulse-jet cleaned filters applying an engine exhaust particle sizer	P. Bächler, J. Meyer, A. Dittler	Aerosol Science and Technology, 2022, Vol. 56, No. 4, 394-402, https://doi.org/10.1080/02786826.2022.2027335
Operating behavior of pulse jet-cleaned filters regarding energy demand and particle emissions - Part 1: Experimental parameter study	P. Bächler, J. Meyer, A. Dittler	Chemical Engineering & Technology, 2023, 46, https://doi.org/10.1002/ceat.202300080 (open access)
Operating behavior of pulse jet-cleaned filters regarding energy demand and particle emissions - Part 2: Modeling	P. Bächler, J. Meyer, A. Dittler	Chemical Engineering & Technology, 2024, 47, https://doi.org/10.1002/ceat.202300409 (open access)
Spatially resolved online leak detection in a baghouse filter applying low-cost PM-sensors	P. Bächler, J. Meyer, A. Dittler	Chemie Ingenieur Technik, 2023, 95, No. 1-2, https://doi.org/10.1002/cite.202200116 (open access)
Measurement of transient nanoparticle emissions of a municipal biomass incineration plant equipped with pulse-jet cleaned filters	P. Bächler, J. Meyer, R. Ligotski, P. Krug, A. Dittler	Process Safety and Environmental Protection, 2024, https://doi.org/10.1016/j.psep.2024.02.013 (open access)
Simultaneous measurement of spatially resolved particle emissions in a pilot plant scale baghouse filter applying distributed low-cost particulate matter sensors	P. Bächler, J. Szabadi, J. Meyer, A. Dittler	Journal of Aerosol Science, 2020, 150, 105644, https://doi.org/10.1016/j.jaerosci.2020.105644 (open access)
Impact of ambient air filters on PM concentration levels at an urban traffic hotspot (Stuttgart, Am Neckartor)	P. Bächler, T.K. Müller, T. Warth, T. Yildiz, A. Dittler	Atmospheric Pollution Research, 2021, 12, 101059, https://doi.org/10.1016/j.apr.2021.101059 (open access)
Process integrated monitoring of spatially resolved particle emissions of a baghouse filter using a network of low-cost PM-sensors	P. Bächler, V. Löschner, J. Meyer, A. Dittler	Process Safety and Environmental Protection, 2022, 160, 411-423, https://doi.org/10.1016/j.psep.2022.02.005

Conference Contributions
Title	Conference	Authors
Optimierung des Betriebs von druckstoß-gereinigten Oberflächenfiltern unter Einbezug von Energieverbrauch und Partikelemission	Jahrestreffen der DECHEMA-Fachgruppen Aerosoltechnik (AT), Gasreinigung (GAS), Mehrphasenströmung (MPH) und Partikelmesstechnik (PMT)	P. Bächler, J. Meyer, A. Dittler
On the trade-off between energy efficiency and particle emissions for pulse-jet cleaned filters	FILTECH 2023, The Filtration Event	P. Bächler, J. Meyer, A. Dittler
Emissionsbasierte Optimierung des Betriebs von Oberflächenfiltern auf Basis der lokalen Erfassung von Partikelemissionen	Jahrestreffen der ProcessNet-Fachgruppen Abfallbehandlung und Wertstoffrückgewinnung, Energieverfahrenstechnik, Gasreinigung, Hochtemperaturtechnik, Rohstoffe	P. Bächler, J. Meyer, A. Dittler
Identification of particle emission hotspots in baghouse filters via spatially resolved PM measurement	FILTECH 2022, The Filtration Event	P. Bächler, J. Meyer, A. Dittler
On the spatio-temporal particle emission behavior of pulse-jet cleaned surface filters via measurement of the emission contribution of individual filter bags with low-cost particulate matter sensors	AFS FILTCON 2021	P. Bächler, V. Löschner, J. Meyer, A. Dittler
Origin of spatio-temporal particle emissions of surface filters due to clogging and release of particles from previously clogged seams of individual filter bags due to jet-pulse cleaning	AFS FILTCON 2021	V. Löschner, P. Bächler, J. Meyer, A. Dittler
Optimierung von Oberflächenfiltern auf Basis der online Messung lokaler Partikelemissionen und Berücksichtigung des Energieverbrauchs	Jahrestreffen der ProcessNet-Fachgruppen Gasreinigung und Partikelmesstechnik 2021	P. Bächler, V. Löschner, J. Meyer, A. Dittler
Digitalisierung in der Filtertechnik: Simultane Messung der lokalen Partikelemission von Schlauchfilteranlagen mittels kostengünstigen Feinstaubsensoren	Online Industrieworkshop: „Digitalisierung in der Trenntechnik“	P. Bächler, J. Meyer, A. Dittler
Einsatz von low-cost PM-Sensoren zur Messung der lokalen Partikelemission einzelner Filterschläuche in einer Filteranlage im Technikumsmaßstab	Jahrestreffen der ProcessNet-Fachgruppen Computational Fluid Dynamics und Gasreinigung	P. Bächler, J. Szabadi, J. Meyer, A. Dittler
Investigation of low-cost PM-sensors regarding the suitability for emission measurement for pulse-jet cleaned filters	FILTECH 2019 - The Filtration Event	P. Bächler, J. Meyer, A. Dittler
Innovative Ansätze zur Verwendung von Low-Cost PM-Messtechnik: Neuartige Möglichkeiten der Emissionsbestimmung von Oberflächenfiltern bei der Gasreinigung	Jahrestreffen der ProcessNet-Fachgruppen Mechanische Flüssigkeitsabtrennung und Gasreinigung	P. Bächler, A. D. Schwarz, J. Meyer, A. Dittler

Peter Bächler, M.Sc.

Research Topic