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Microorganisms
Volume 10
Issue 11
10.3390/microorganisms10112148
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Article

Removal of Hydrogen Sulfide from Swine-Waste Biogas on a Pilot Scale Using Immobilized Paracoccus versutus CM1

by
Ladapa Kumdhitiahutsawakul
1,
Dolruedee Jirachaisakdeacha
1,
Uthen Kantha
2,
Patiroop Pholchan
3,
Pachara Sattayawat
1,
Thararat Chitov
1,4,
Yingmanee Tragoolpua
1,4,* and
Sakunnee Bovonsombut
1,4,*
1
Division of Microbiology, Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
2
Energy Research and Development Institute-Nakornping, Chiang Mai University, Chiang Mai 50200, Thailand
3
Department of Environmental Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand
4
Environmental Science Research Center (ESRC), Chiang Mai University, Chiang Mai 50200, Thailand
*
Authors to whom correspondence should be addressed.
Microorganisms 2022, 10(11), 2148; https://doi.org/10.3390/microorganisms10112148
Submission received: 5 October 2022 / Revised: 22 October 2022 / Accepted: 25 October 2022 / Published: 29 October 2022
(This article belongs to the Special Issue Microbial Advances in a Sustainable Environment: Biological Waste Treatment and Bioconversion Technology)
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Abstract

Hydrogen sulfide (H2S) is a toxic and corrosive component that commonly occurs in biogas. In this study, H2S removal from swine-waste biogas using sulfur-oxidizing Paracoccus versutus CM1 immobilized in porous glass (PG) and polyurethane foam (PUF) biofilters was investigated. Bacterial compositions in the biofilters were also determined using polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE). The biofilters were first tested on a laboratory scale under three space velocities (SV): 20, 30, and 40 h−1. Within 24 h, at an SV of 20 h−1, PG and PUF biofilters immobilized with P. versutus CM1 removed 99.5% and 99.7% of H2S, respectively, corresponding to the elimination capacities (EC) of 83.5 and 86.2 gm−3 h−1. On a pilot scale, with the horizontal PG-P. versutus CM1 biofilter operated at an SV of 30 h−1, a removal efficiency of 99.7% and a maximum EC of 113.7 gm−3 h−1 were achieved. No reduction in methane content in the outlet biogas was observed under these conditions. The PCR-DGGE analysis revealed that Paracoccus, Acidithiobacillus, and Thiomonas were the predominant bacterial genera in the biofilters, which might play important roles in H2S removal. This PG–P. versutus CM1 biofiltration system is highly efficient for H2S removal from swine-waste biogas.
Keywords: immobilization; Paracoccus versutus CM1; biofilters; hydrogen sulfide; biogas; bacterial community immobilization; Paracoccus versutus CM1; biofilters; hydrogen sulfide; biogas; bacterial community

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MDPI and ACS Style

Kumdhitiahutsawakul, L.; Jirachaisakdeacha, D.; Kantha, U.; Pholchan, P.; Sattayawat, P.; Chitov, T.; Tragoolpua, Y.; Bovonsombut, S. Removal of Hydrogen Sulfide from Swine-Waste Biogas on a Pilot Scale Using Immobilized Paracoccus versutus CM1. Microorganisms 2022, 10, 2148. https://doi.org/10.3390/microorganisms10112148

AMA Style

Kumdhitiahutsawakul L, Jirachaisakdeacha D, Kantha U, Pholchan P, Sattayawat P, Chitov T, Tragoolpua Y, Bovonsombut S. Removal of Hydrogen Sulfide from Swine-Waste Biogas on a Pilot Scale Using Immobilized Paracoccus versutus CM1. Microorganisms. 2022; 10(11):2148. https://doi.org/10.3390/microorganisms10112148

Chicago/Turabian Style

Kumdhitiahutsawakul, Ladapa, Dolruedee Jirachaisakdeacha, Uthen Kantha, Patiroop Pholchan, Pachara Sattayawat, Thararat Chitov, Yingmanee Tragoolpua, and Sakunnee Bovonsombut. 2022. "Removal of Hydrogen Sulfide from Swine-Waste Biogas on a Pilot Scale Using Immobilized Paracoccus versutus CM1" Microorganisms 10, no. 11: 2148. https://doi.org/10.3390/microorganisms10112148

APA Style

Kumdhitiahutsawakul, L., Jirachaisakdeacha, D., Kantha, U., Pholchan, P., Sattayawat, P., Chitov, T., Tragoolpua, Y., & Bovonsombut, S. (2022). Removal of Hydrogen Sulfide from Swine-Waste Biogas on a Pilot Scale Using Immobilized Paracoccus versutus CM1. Microorganisms, 10(11), 2148. https://doi.org/10.3390/microorganisms10112148

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