| Optimization of the Electron Donor Supply to Sulphate Reducing Bioreactors Treating Inorganic Wastewater Contributor(s): Reyes-Alvarado, Luis (Author) |
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ISBN: 1138343315 ISBN-13: 9781138343313 Publisher: CRC Press OUR PRICE: $74.09 Product Type: Paperback - Other Formats Published: September 2018 |
| Additional Information |
| BISAC Categories: - Science | Environmental Science (see Also Chemistry - Environmental) - Technology & Engineering | Environmental - Water Supply - Technology & Engineering | Civil - General |
| Series: Ihe Delft PhD Thesis |
| Physical Information: 0.7" H x 6.7" W x 9.4" (1.15 lbs) 234 pages |
| Descriptions, Reviews, Etc. |
| Publisher Description: The main objective of this research was to optimize the electron donor supply in sulphate reducing bioreactors treating sulphate rich wastewater. Two types of electron donor were tested: lactate and slow release electron donors such as carbohydrate based polymers and lignocellulosic biowastes. Biological sulphate reduction was evaluated in different bioreactor configurations: the inverse fluidized bed, sequencing batch and batch reactors. The reactors were tested under steady-state, high-rate and transient-state feeding conditions of electron donor and acceptor, respectively. The results showed that the inverse fluidized bed reactor configuration is robust and resilient to transient and high-rate feeding conditions at a hydraulic retention time as low as 0.125 d. The biological sulphate reduction was limited by the COD: sulphate ratio ( 82% either using carbohydrate based polymers or lignocellulosic bio-wastes, in batch bioreactors. The biological sulphate reduction was limited by the hydrolysis-fermentation rate and by the complexity of the slow release electron donors. |