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| Content Provider | Springer Nature Link |
|---|---|
| Author | Guo, Xuesong Yang, Jianming Liang, Yuan Liu, Junxin Xiao, Benyi |
| Copyright Year | 2013 |
| Abstract | An environmentally friendly chemical, tetrakis(hydroxymethyl)phosphonium sulfate (THPS), was used as a metabolic uncoupler to reduce sludge production in a pilot-scale anaerobic/anoxic/oxic process. The results show that the addition of THPS (1.08–1.86 mL/m3 influent) in the sludge return section could reduce waste activated sludge by about 22.5 %, and decrease the sludge yield by about 14.7 % at the end of a run. At the same time, the addition of THPS slightly lowered the removal of chemical oxygen demand (COD), soluble COD and NH4 +–N, and slightly improved removal of total nitrogen. The effects of THPS addition on two characteristics of activated sludge in oxic tank are discussed in detail and the results suggest that the settleability of sludge was reduced by addition of THPS, while the specific oxygen uptake rate was increased. Molecular biology analysis shows that the addition of THPS had little effect on the microbial communities of sludge. |
| Starting Page | 553 |
| Ending Page | 560 |
| Page Count | 8 |
| File Format | |
| ISSN | 16157591 |
| Journal | Bioprocess Engineering |
| Volume Number | 37 |
| Issue Number | 3 |
| e-ISSN | 16157605 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2013-08-02 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Anaerobic/anoxic/oxic process Environmentally friendly metabolic uncoupler Evaluation Pilot-scale Sludge reduction Biotechnology Industrial and Production Engineering Environmental Engineering/Biotechnology Industrial Chemistry/Chemical Engineering Food Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Bioengineering Biotechnology |
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