Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Design and Testing of Mobile Laboratory for Mitigation of Gaseous Emissions from Livestock Agriculture with Photocatalysis

Myeongseong Lee
ORCID logo ,
Jacek A. Koziel
* ORCID logo ,
Wyatt Murphy
,
William Jenks
,
Blake Fonken
,
Ryan Storjohann
,
Baitong Chen
ORCID logo ,
Peiyang Li
ORCID logo ,
Chumki Banik
ORCID logo ,
Landon Wahe
ORCID logo ,
Heekwon Ahn
Version 1 : Received: 23 December 2020 / Approved: 24 December 2020 / Online: 24 December 2020 (08:58:47 CET)

A peer-reviewed article of this Preprint also exists.

Lee, M.; Koziel, J.A.; Murphy, W.; Jenks, W.S.; Fonken, B.; Storjohann, R.; Chen, B.; Li, P.; Banik, C.; Wahe, L.; Ahn, H. Design and Testing of Mobile Laboratory for Mitigation of Gaseous Emissions from Livestock Agriculture with Photocatalysis. Int. J. Environ. Res. Public Health 2021, 18, 1523. Lee, M.; Koziel, J.A.; Murphy, W.; Jenks, W.S.; Fonken, B.; Storjohann, R.; Chen, B.; Li, P.; Banik, C.; Wahe, L.; Ahn, H. Design and Testing of Mobile Laboratory for Mitigation of Gaseous Emissions from Livestock Agriculture with Photocatalysis. Int. J. Environ. Res. Public Health 2021, 18, 1523.

Abstract

Livestock production systems generate nuisance odor and gaseous emissions affecting local communities and regional air quality. Also, there are concerns about the occupational health and safety of farm workers. Proven mitigation technologies that are consistent with the socio-economic challenges of animal farming are needed. We have been scaling up the photocatalytic treatment of emissions from lab-scale, aiming at farm-scale readiness. In this paper, we present the design, testing, and commissioning of a mobile laboratory for on-farm research and demonstration of performance in real farm conditions. The mobile lab is capable of treating up to 1.2 m3·s-1 of air with TiO2-based photocatalysis and adjustable UV-A dose based on LED lamps. We summarize the main technical requirements, constraints, approach, and performance metrics for the mobile laboratory, such as the effectiveness (measured as the percent reduction) and cost of photocatalytic treatment of air. The commissioning of all systems with standard gases resulted in ~9% and 34% reduction of NH3 and butan-1-ol, respectively. We demonstrated that as the percent reduction of standard gases increased with increased light intensity and treatment time. These results show that the mobile laboratory was ready for on-farm deployment and evaluating the effectiveness of UV treatment.

Keywords

air pollution control; air quality; environmental technology; advanced oxidation; odor; volatile organic compounds

Subject

Engineering, Civil Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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