Babu, M: Effect of Algal Biofilm and Operational Conditions
Language: English
Published by CRC Press, 2017
- Hardcover
- New
Condition: New
£ 221.95
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Mohammed Babu was born on March 21st 1973 in Mbale, Uganda. He holds an Msc Environmental Science and Technology and aPhD from UNESCO-IHE, Delft, The Netherlands. Currently, he is lecturing at the department of Environmental Science at the Islamic Universit.
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- Title
- Babu, M: Effect of Algal Biofilm and Operational Conditions
- Author
- Mohammed Babu (UNESCO-IHE Institute for Water Education, Delft, The Netherlands)
- Publisher
- CRC Press
- Publication year
- 2017
- Condition
- New
- Binding
- Gebunden
- Language
- English
- ISBN 10
- 1138474347
- ISBN 13
- 9781138474345
Discharge of nutrient rich wastewater causes eutrophication of surface water; therefore wastewater treatment before discharge is required. Wastewater stabilization ponds are low cost technology used by developing countries but not effective in nitrogen removal due to low nitrifier biomass in the water column. Introduction of surface area for attachment of nitrifiers has therefore been proposed.
This thesis reports the performance of pilot scale wastewater stabilization ponds fitted with baffles. The effect of baffles on nitrogen removal under tropical and two operational conditions was investigated. Under TKN/BOD ratio of 0.67, the baffled ponds performed better in nitrogen removal than the control pond. Total nitrogen mass balances showed that nitrification-denitrification, algal uptake and sedimentation were principle nitrogen removal mechanisms in biofilm waste stabilization ponds
This study shows the potential of biofilms in improving nitrogen removal in wastewater stabilization ponds. The BOD and TSS concentrations were sufficiently low to permit for reuse in irrigation. If the objective is reuse and optimization of resources, the effluents from the ponds had sufficient nitrogen content for use in agriculture.
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