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| Content Provider | Springer Nature Link |
|---|---|
| Author | Azbar, Nuri Tutuk, Fatih Keskin, Tugba |
| Copyright Year | 2009 |
| Abstract | The primary objective of this study was to evaluate the effects of the organic loading rate on the performance of an up-flow anaerobic sludge blanket (UASB) reactor treating olive mill effluent (OME), based on the following indicators: (i) chemical oxygen demand (COD) removal efficiency; and (ii) effluent variability (phenol, suspended solids, volatile fatty acids, and pH stability). The UASB reactor was operated under different operational conditions (OLRs between 0.45 and 32 kg COD/m$^{3}$·day) for 477 days. The results demonstrated that the UASB reactor could tolerate high influent COD concentrations. Removal efficiencies for the studied pollution parameters were found to be as follows: COD, 47∼92%; total phenol, 34∼75%; color, 6∼46%; suspended solids, 34∼76%. The levels of VFAs in the influent varied between 310 and 1,750 mg/L. Our measurements of the VFA levels indicated that some of the effluent COD could be attributed to VFAs (principally acetate, butyrate, iso-butyrate, and propionate) in the effluent, which occurred at levels between 345 and 2,420 mg/L. As the OLRs were increased, more VFAs were measured in the effluent. A COD removal efficiency of 90% could be achieved as long as OLR was kept at a level of less than 10 kg COD/m$^{3}$·day. However, a secondary treatment unit for polishing purposes is necessary to comply with discharge standards. |
| Starting Page | 99 |
| Ending Page | 104 |
| Page Count | 6 |
| File Format | |
| ISSN | 12268372 |
| Journal | Biotechnology and Bioprocess Engineering |
| Volume Number | 14 |
| Issue Number | 1 |
| e-ISSN | 19763816 |
| Language | English |
| Publisher | The Korean Society for Biotechnology and Bioengineering |
| Publisher Date | 2009-03-08 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | olive mill effluent up-flow anaerobic sludge blanket reactor organic loading rate effluent variability Industrial and Production Engineering Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Bioengineering Biomedical Engineering Applied Microbiology and Biotechnology Biotechnology |
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