期刊
BIORESOURCE TECHNOLOGY
卷 161, 期 -, 页码 245-254出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.03.057
关键词
MaB-floc; Microalgae; Bio-flocculation; Wastewater; Harvest
资金
- INTERREG IVB NWE Programme
- Flemish Government
- Province West-Flanders
- University College Howest
- Ghent University (LIWET) within the EnAlgae project
Microalgal bacterial flocs in sequencing batch reactors (MaB-floc SBRs) represent a novel approach to wastewater treatment. In this approach, mechanical aeration is replaced by photosynthetic aeration and MaB-floc settling separates the treated wastewater from the produced biomass. However, its technical potential for industrial wastewaters needs to be shown. Therefore, wastewaters of aquaculture, manure treatment, food-processing and chemical industry were treated in MaB-floc SBRs. This treatment resulted in significantly different nutrient removal rates and effluent qualities among wastewaters. A high MaB-floc production was obtained for all wastewaters, ranging from 0.14 to 0.26 g total suspended solids L-reactor(1) day (1). A major advantage of MaB-flocs is the harvesting via a filter press with a large pore size of 200 mu m, resulting in MaB-floc recoveries of 79-99% and cakes containing 12-21% dry matter. These results may contribute to evolving MaB-floc SBRs as a valuable remediation strategy, especially for aquaculture and food-processing wastewaters. (C) 2014 Elsevier Ltd. All rights reserved.
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