Performance evaluation of a commercial land-based integrated multi-trophic aquaculture system using constructed wetlands and geotextile bags for solids treatment

•A marine integrated aquaculture system was operated with zero waste discharged during the study.•Presence of constructed wetlands resulted in a net loss of nitrate.•Sale of macrophytes and fish result in a net return of $45,700 after one year.•Only the combination of plants sales and Florida pompan...

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Bibliographic Details
Published in:Aquacultural engineering 2015-11, Vol.69, p.23-36
Main Authors: Boxman, Suzanne E., Kruglick, Alex, McCarthy, Brian, Brennan, Nathan P., Nystrom, Michael, Ergas, Sarina J., Hanson, Terrill, Main, Kevan L., Trotz, Maya A.
Format: Article
Language:English
Subjects:
Aquaculture
Bags
Biosolids treatment
Constructed wetland
Construction
Construction costs
Geotextile bag
Geotextiles
Integrated multi-trophic aquaculture
Manganese
Marine
Nutrient removal
Sand
Wetlands
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Summary:•A marine integrated aquaculture system was operated with zero waste discharged during the study.•Presence of constructed wetlands resulted in a net loss of nitrate.•Sale of macrophytes and fish result in a net return of $45,700 after one year.•Only the combination of plants sales and Florida pompano made the integrated system profitable. The water chemistry and economics of a commercial-scale inland marine integrated multi-trophic aquaculture (IMTA) system was investigated. The system used a combination of a constructed wetland, sand filter followed by a constructed wetland, and geotextile bags to treat solids waste. This study is a demonstration of a zero-discharge system where commercial nursery production of wetland plants was combined with a marine RAS to treat saline solid waste. Total suspended solids (TSS), chemical oxygen demand (COD), total nitrogen (TN), and total phosphorus (TP) concentrations were measured. Plant and soil samples were analyzed for TN and TP. A significant (p
ISSN:0144-8609
1873-5614
DOI:10.1016/j.aquaeng.2015.09.001