Water Treatment Techniques for Closed Recirculating Aquaculture.
نویسندگان
چکیده
منابع مشابه
Recirculating Aquaculture Systems - a Review
1. Current State of Aquaculture and Environment 2. Aquaculture Water Constituents 3. Waste Water Discharge Guidelines for Aquaculture 4. Introduction to Recirculating Aquaculture Systems (RAS) 5. Recirculating Aquaculture System Applications 6. Primary Clarification – Suspended Solids removal 7. Bacterial Processes 7.1 Nitrification 7.1.1 Nitrition 7.1.2 Nitration 7.2 Denitrification 8. Filtrat...
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Closed-system aquaculture presents a new and expanding commercial opportunity; however, presently there are few profitable commercial operations. Intensive aquaculture systems require a sufficient supply of oxygen and nutrients in temperaturecontrolled water with a means of removing wastes from the system. In properly controlled recirculating aquaculture systems, stocking rates of up to one-hal...
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Aquaculture, the farming of fish and aquatic crops such as kelp and algae, is classically done in natural bodies of water. In land-based recirculating aquaculture systems (RAS), however, tanks or raceways contain the farmed species and the water is circulated through a treatment system. Benefits compared to traditional farming in open cages include reduced emissions of nutrients, less risk of i...
متن کاملBiological phosphate removal in a prototype recirculating aquaculture treatment system
Efforts to reduce phosphorus concentrations in aquaculture systems have mainly dealt with improving the bioavailability of phosphorus in fish feed. Once released into the culture water, phosphorus is generally left untreated and discharged with the effluent water. In the present study, results are presented on a prototype recirculating treatment system originally designed for removal of organic...
متن کاملThe Bioeconomics of Recirculating Aquaculture Systems Richard
The goal of this study was to produce a detailed aquaculture production model incorporating constraints unique to closed system culture and to conduct a formal economic analysis of closed system operation. Results generated by this model indicate that less than perfect management ability can eliminate the normal advantages associated with using high protein feed. While higher protein levels pro...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1998
ISSN: 1349-998X,0021-5392
DOI: 10.2331/suisan.64.227