Spatial distributions of granular activated carbon in up-flow anaerobic sludge blanket reactors influence methane production treating low and high solid-content wastewater
Description
The impacts of granular activated carbon (GAC) spatial distributions in up-flow anaerobic sludge blanket (UASB) reactors treating different solid-content wastewater were evaluated in the present study. When treating high solid-content wastewater, the highest methane yield was observed for UASB supplemented with self-floating GAC (74.2 ± 3.7 %), which was followed by settled + self-floating GAC reactor (65.1 ± 3.8 %), then settled GAC reactor (58.3 ± 1.4 %). When treating low solid-content wastewater, all UASBs achieved improved methane yield, and settled + self-floating GAC reactor achieved the highest methane yield (83.4 ± 3.3 %). Self-floating GAC amended reactor showed the best performance for treating high solid-content wastewater, while settled + self-floating GAC amended reactor was optimal for treating medium and low solid-content wastewater. The spatial distributions of microbial communities differed in the reactors with settled GAC and floating GAC. This study underlines the importance of considering feedwater characteristics when adopting GAC-based UASB processes.
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| ID Code: | 240194 | ||
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| Item Type: | Contribution to Journal (Journal Article) | ||
| Refereed: | Yes | ||
| ORCID iD: |
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| Additional Information: | Funding Information: The authors acknowledge the financial support for this project from the Natural Sciences and Engineering Research Council of Canada (NSERC) Industrial Research Chair (IRC) program in Sustainable Urban Water Development supported by EPCOR Water Services, EPCOR Drainage Operation and Alberta Innovates, an NSERC Discovery project, the Canada Research Chair (CRC) in Future Water Services (Y. Liu) and the China Scholarship Council (CSC) Ph.D. scholarship (A. Mou and N. Yu). | ||
| Measurements or Duration: | 8 pages | ||
| Keywords: | Direct interspecies electron transfer, Mesophilic digestion, Microbial community, Specific methanogenic activity | ||
| DOI: | 10.1016/j.biortech.2022.127995 | ||
| ISSN: | 0960-8524 | ||
| Pure ID: | 133284104 | ||
| Divisions: | Current > QUT Faculties and Divisions > Faculty of Engineering Current > Schools > School of Civil & Environmental Engineering |
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| Funding Information: | The authors acknowledge the financial support for this project from the Natural Sciences and Engineering Research Council of Canada (NSERC) Industrial Research Chair (IRC) program in Sustainable Urban Water Development supported by EPCOR Water Services, EPCOR Drainage Operation and Alberta Innovates, an NSERC Discovery project, the Canada Research Chair (CRC) in Future Water Services (Y. Liu) and the China Scholarship Council (CSC) Ph.D. scholarship (A. Mou and N. Yu). | ||
| Copyright Owner: | 2022 Elsevier Ltd. | ||
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au | ||
| Deposited On: | 06 Jun 2023 05:02 | ||
| Last Modified: | 29 Feb 2024 13:29 |
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