Bacterial multidimensional analyses lay out the setup of filling ratio in a split-mixotrophic denitrification system treating nitrate-dominated aquaculture wastewater
文献类型：期刊论文
| 作者 | Guo, Xihui2; Mao, Yujie4; Kong, Lingwei1; Guo, Guanghui3; Zhang, Shiyang2; Wang, Qinglong2; Nie, Yuhu2; Xie, Yufan2; Wang, Zhi4 |
| 刊名 | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
 |
| 出版日期 | 2026-04-01 |
| 卷号 | 210页码:108654 |
| 关键词 | Fill volume ratio molecular ecological network modularity analysis key species intrinsic metabolic pathways |
| ISSN号 | 0957-5820 |
| DOI | 10.1016/j.psep.2026.108654 |
| 产权排序 | 4 |
| 文献子类 | Article |
| 英文摘要 | Excessive nitrate accumulation in a recirculating aquaculture system (RAS) will cause severe detrimental effects on both cultured organisms and the surrounding wastewater-receiving environment. Based on pyrite (FeS2) and polycaprolactone (PCL), this study developed a pyrite+PCL-based split-mixotrophic denitrification (PPMD) system to treat simulated nitrate-dominated wastewater from an RAS. The core of the study was to explore the effects of pyrite-to-PCL volume ratio (VF:P) on the performance of the mixotrophic system. The results indicated the highest total inorganic nitrogen removal efficiency (88.9 +/- 5.3%) at VF:P = 5:1. Network analysis revealed that the bacterial community characteristics in the pyrite layer of the PPMD system were more complex than those in the PCL layer, and the latter layer exhibited higher bacterial modularity and stronger bacterial positive relationships. The symbiotic relationship between organic matter degradation and heterotrophic bacteria in the PCL layer helped maintain the excellent performance of the PPMD system. Four bacterial genera (Pseudomonas, Roseomonas, Thiobacillus, and Thiomonas) were identified as key species in different packing layers. This study applied a multidimensional analysis to elucidate the bacterial ecological networks and metabolic pathways in the PPMD system, aiming at interpreting the optimum VF:P, which provides a reference for real applications. |
| URL标识 | 查看原文 |
| WOS关键词 | COMMUNITIES |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001706975600001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/221184]  |
| 专题 | 资源利用与环境修复重点实验室_外文论文 |
| 通讯作者 | Zhang, Shiyang; Wang, Zhi |
| 作者单位 | 1.Westlake Univ, Sch Engn, Key Lab Coastal Environm & Resources Zhejiang Prov, Hangzhou 310030, Zhejiang, Peoples R China; 2.Wuhan Univ Technol, Sch Civil Engn & Architecture, Wuhan 430070, Peoples R China; 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China 4.Chinese Acad Sci, Innovat Acad Precis Measurement Sci & Technol, Key Lab Environm & Disaster Monitoring & Evaluat H, Wuhan 430077, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Guo, Xihui,Mao, Yujie,Kong, Lingwei,et al. Bacterial multidimensional analyses lay out the setup of filling ratio in a split-mixotrophic denitrification system treating nitrate-dominated aquaculture wastewater[J]. PROCESS SAFETY AND ENVIRONMENTAL PROTECTION,2026,210:108654. |
| APA | Guo, Xihui.,Mao, Yujie.,Kong, Lingwei.,Guo, Guanghui.,Zhang, Shiyang.,...&Wang, Zhi.(2026).Bacterial multidimensional analyses lay out the setup of filling ratio in a split-mixotrophic denitrification system treating nitrate-dominated aquaculture wastewater.PROCESS SAFETY AND ENVIRONMENTAL PROTECTION,210,108654. |
| MLA | Guo, Xihui,et al."Bacterial multidimensional analyses lay out the setup of filling ratio in a split-mixotrophic denitrification system treating nitrate-dominated aquaculture wastewater".PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 210(2026):108654. |
入库方式： OAI收割
来源：地理科学与资源研究所
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