論文 - 詳細
| RRC ID | 80634 |
|---|---|
| 著者 | Duan JL, Han Y, Feng LJ, Ma JY, Sun XD, Liu XY, Geng FS, Jiang JL, Liu MY, Sun YC, Peu P, Ni BJ, Yuan XZ. |
| タイトル | Single bubble probe atomic force microscope and impinging-jet technique unravel the interfacial interactions controlled by long chain fatty acid in anaerobic digestion. |
| ジャーナル | Water Res |
| Abstract |
Anaerobic digestion of lipid-rich wastewater generally suffers from foaming induced by long chain fatty acid (LCFA). However, a systematic understanding of LCFA inhibition, especially the physical inhibition on interfacial interaction still remains unclear. Here, we combined bubble probe atomic force microscope and impinging-jet technique to unravel the interfacial interactions controlled by long chain fatty acids in anaerobic digestion. We showed that LCFA had a significant inhibition on methane production in anaerobic reactors for the inhibition of the conversion of VFAs to methane. By measuring the LCFA influence on methanogenic archaea Methanosarcina acetivorans C2A, the results demonstrated that methanogenesis was limited for substrates utilization but not metabolic pathways. The impinging-jet technique results indicated that LCFA enhanced bubble separation from anaerobic granules and reduced the bubble-bubble coalescence probability. In addition, the bubble probe atomic force microscope (AFM) revealed that LCFA enhanced the adhesion force between bubbles by enhancing electrical double layer (EDL) repulsion and decreasing hydrophobic interactions. Overall, these results complement framework of LCFA inhibition in anerobic digestion and provide a nanomechanical insight into the fundamental interfacial interactions related to bubbles in anaerobic reactors. |
| 巻・号 | 231 |
| ページ | 119657 |
| 公開日 | 2023-3-1 |
| DOI | 10.1016/j.watres.2023.119657 |
| PII | S0043-1354(23)00092-1 |
| PMID | 36709568 |
| MeSH | Anaerobiosis Bioreactors Fatty Acids* / metabolism Methane / metabolism Sewage / chemistry Wastewater* |
| オルトメトリクス指標 |
オルトメトリクス指標項目
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| 最多言及媒体 | X(Twitter) |
| 各媒体での言及数の合計 | 1 |
| 過去6か月間でのオルトメトリクス指標の変動値 | 0.0 |
| リソース情報 | |
| 一般微生物 | JCM 12185 |