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OverviewDevelopment 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 decline in temperature in winter. Most of the nitrogen removal was achieved by plant uptake (81 per cent) while 14.5 per cent and 4.5 per cent of the removal was due to denitrification and sedimentation, respectively. The treatment system provided effluent quality and duckweed biomass suitable to reuse in tilapia aquaculture. The nutritional value of fresh duckweed was significantly better than for wheat bran and simular to the commecial feed when used in combination with treated sewage from the duckweed ponds. This research was carried out with financial support of the Dutch government within the framework of the SAIL funded ""Wasteval"" project (LUW/MEA/971). Full Product DetailsAuthor: Saber Abdel-Aziz Abdel-Salam Mohamed El-ShafaiPublisher: Taylor & Francis Ltd Imprint: CRC Press Weight: 0.453kg ISBN: 9781138475045ISBN 10: 1138475041 Pages: 184 Publication Date: 18 December 2020 Audience: General/trade , General Format: Hardback Publisher's Status: Active Availability: In Print  This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of ContentsIntroduction 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 tilapiaReviewsAuthor InformationEl-Shafai, Saber Abdel-Aziz Abdel-Salam Mohamed Tab Content 6Author Website:Countries AvailableAll regions |
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