Li, Bing and Huang, Wen Li and Zhang, Chao and Feng, Sisi and Zhang, Zhenya and Lei, Zhong Fang and Sugiura, Norio (2015) Effect of TiO2 nanoparticles on aerobic granulation of algal-bacterial symbiosis system and nutrients removal from synthetic wastewater. Bioresource Technology, 187 . pp. 214-220. ISSN 0960-8524
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Official URL: https://doi.org/10.1016/j.biortech.2015.03.118
Abstract
The influence of TiO2 nanoparticles (TiO2-NPs) (10-50mg/L) on aerobic granulation of algal-bacterial symbiosis system was investigated by using two identical sequencing batch reactors (SBRs). Although little adverse effect was observed on their nitritation efficiency (98-100% in both reactors), algal-bacterial granules in the control SBR (Rc) gradually lost stability mainly brought about by algae growth. TiO2-NPs addition to RT was found to enhance the granulation process achieving stable and compact algal-bacterial granules with remarkably improved nitratation thus little nitrite accumulation in RT when influent TiO2-NPs=30mg/L. Despite almost similar organics and phosphorus removals obtained in both reactors, the stably high nitratation efficiency in addition to much stable granular structure in RT suggests that TiO2-NPs addition might be a promising remedy for the long-term operation of algal-bacterial granular system, most probably attributable to the stimulated excretion of extracellular polymeric substances and less filamentous TM7.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | TiO2 nanoparticles (TiO2-NPs), aerobic granulation, algal bacterial symbiosis, nitratation |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Malaysia-Japan International Institute of Technology |
| ID Code: | 58393 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 04 Dec 2016 04:07 |
| Last Modified: | 30 Aug 2021 16:34 |
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