El-Shafai | Nutrients Valorisation via Duckweed-based Wastewater Treatment and Aquaculture | Buch | 978-90-5809-656-2 | sack.de

Buch, Englisch, 184 Seiten, Format (B × H): 174 mm x 246 mm, Gewicht: 362 g

El-Shafai

Nutrients Valorisation via Duckweed-based Wastewater Treatment and Aquaculture


1. Auflage 2003
ISBN: 978-90-5809-656-2
Verlag: CRC Press

Buch, Englisch, 184 Seiten, Format (B × H): 174 mm x 246 mm, Gewicht: 362 g

ISBN: 978-90-5809-656-2
Verlag: CRC Press

Development of a sustainable wastewater treatment scheme to recycle sewage nutrients and water in tilapia aquaculture was the main objective of this PhD research. Use of an integrated UASB-duckweed ponds system for domestic wastewater treatment linked to tilapia aquaculture was investigated. The treatment system was efficient in organic matter removal during the entire year, while nitrogen, phosphorus and faecal coliform removal were negatively affected by the dicline in temperature in winter. Most of the nitrogen removal was achieved by plant uptake (81%) while 14.5% and 4.5% of the removal was due to denitrification and sedimentation, respectively. The treatment system provided effluent quality and duckweed biomass suitable for reuse in tilapia aquaculture. The nutritional value of fresh duckweed was significantly better than for wheat bran and similar to the commercial feed when used in combination with treated sewage from the duckweed ponds.

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Autoren/Hrsg.

El-Shafai, Saber Abdel
El-Shafai, Saber Abdel-Aziz Abdel-Salam Mohamed

Fachgebiete

Weitere Infos & Material

Introduction and Literature review, Nutrient recovery from domestic waste water using UASB-duckweed ponds system, Effect of strategy on tilapia production and water quality in duckweed-based fish aquaculture, Suitability of using duckweed as feed and treated sewage as water source in tilapia aquaculture, Chronic ammonia toxicity to duckweed-fed tilapia, Microbial quality of tilapia reared in faecal contaminated ponds, Reuse of domestic sewage and duckweed, Apparent digestibility coefficient of duckweed, fresh and dry for Nile tilapia

Saber Abdel-Aziz Abdel-Salam Mohamed El-Shafai (Author)

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