Role of hydraulic retention time in integration of microalgae and activated sludge process for nutrient recycle from diluted dairy liquid digestate
文献类型：期刊论文
| 作者 | Feng, Siran1,5; Liu, Fen1,2,3; Zhu, Shunni1,2,3; Xu, Zhongbin1,2,3; Qin, Lei1,2,3; Feng, Pingzhong1,2,3; Wang, Zhongming1,2,3; Chen, Huan4; Guo, Wenshan5; Ngo, Huu Hao5 |
| 刊名 | CHEMICAL ENGINEERING JOURNAL
 |
| 出版日期 | 2024-03-15 |
| 卷号 | 484页码:11 |
| 关键词 | Microalgae and activated sludge Hydraulic retention time Dairy liquid digestate Biomass production Pollutant removal Metagenomic analysis |
| ISSN号 | 1385-8947 |
| DOI | 10.1016/j.cej.2024.149538 |
| 通讯作者 | Zhu, Shunni(zhusn@ms.giec.ac.cn) ; Ngo, Huu Hao(ngohuuhao121@gmail.com) |
| 英文摘要 | The integration of microalgae and activated sludge (MAS) processes presents a promising method for recycling nutrients from animal digestates. However, the effects of operational factors such as hydraulic retention time (HRT) on this process remain unclear. Therefore, this study utilized semi -continuous photobioreactor systems with a working volume of 800 mL to investigate the impact of three different HRTs (4 d, 6 d, and 8 d) on the performance of MAS processes for nutrient recycling from diluted dairy liquid digestate (DLD). Results indicated that the 8 d HRT yielded the highest biomass concentration, ranging from 2.20 to 2.52 g/L. However, extending the HRT beyond 6 d decreased biomass productivity. The growth of MAS biomass favoured nutrient removal, with C. vulgaris the primary contributor. Longer HRTs improved nutrient removal, with the 8 d HRT achieved the highest total nitrogen (TN) removal of 87.68 +/- 4.57 % and complete phosphorus elimination. Complete total ammonia nitrogen (TAN) removal occurred when HRT >= 6 d. All systems exhibited poor COD removal due to the poor biodegradability of DLD and the algal organic matter (AOM) produced by microalgae, with the highest COD removal of 16.43 +/- 3.65 % (8 d HRT). Metagenomic analysis revealed that HRTs affected bacterial communities significantly, with the highest richness and diversity occurring at a 6 d HRT. Dominant phyla in all three systems were Proteobacteria and Bacteroidetes. Longer HRTs enhanced lipid accumulation and reduced carbohydrate contents but had minimal effect on higher heating value (HHV), which ranged from 20.63 to 21.72 MJ kg- 1. These findings have significant implications for developing efficient and sustainable MAS-based treatment systems. |
| WOS关键词 | WASTE-WATER TREATMENT ; BACTERIAL COMMUNITIES ; REMOVAL ; NITROGEN ; OPTIMIZATION ; CONSORTIUM ; EFFICIENT ; CARBON |
| 资助项目 | National Key R & D Program of China[2022YFE0207100] ; National Natural Science Foundation of China[21878291] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001197184700001 |
| 出版者 | ELSEVIER SCIENCE SA |
| 资助机构 | National Key R & D Program of China ; National Natural Science Foundation of China |
| 源URL | [http://ir.giec.ac.cn/handle/344007/41330]  |
| 专题 | 中国科学院广州能源研究所 |
| 通讯作者 | Zhu, Shunni; Ngo, Huu Hao |
| 作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China 2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China 3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China 4.Clemson Univ, Dept Environm Engn & Earth Sci, Clemson, SC 29634 USA 5.Univ Technol Sydney, Ctr Technol Water & Wastewater, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia |
| 推荐引用方式 GB/T 7714 | Feng, Siran,Liu, Fen,Zhu, Shunni,et al. Role of hydraulic retention time in integration of microalgae and activated sludge process for nutrient recycle from diluted dairy liquid digestate[J]. CHEMICAL ENGINEERING JOURNAL,2024,484:11. |
| APA | Feng, Siran.,Liu, Fen.,Zhu, Shunni.,Xu, Zhongbin.,Qin, Lei.,...&Ngo, Huu Hao.(2024).Role of hydraulic retention time in integration of microalgae and activated sludge process for nutrient recycle from diluted dairy liquid digestate.CHEMICAL ENGINEERING JOURNAL,484,11. |
| MLA | Feng, Siran,et al."Role of hydraulic retention time in integration of microalgae and activated sludge process for nutrient recycle from diluted dairy liquid digestate".CHEMICAL ENGINEERING JOURNAL 484(2024):11. |
入库方式： OAI收割
来源：广州能源研究所
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