Abstract
Six strains with flocculent characteristic have been screened from oil-field wastewater, which are named as F1, F2, F3, F4, F5 and F6. They were identified and classified by 16SrDNA sequence. The flocculation species were analyzed through UV and IR scanning spectrophotometry. It is showed that the six strains belong to the same species with Balillus sp., Agrobacterlum sp., and Kocurla sp. and they have 99% homogeneous identity. The results of flocculent efficiency show that the flocculent efficiency of the six strains is more than 69%, among which the flocculent efficiencies of F2, F3, F5 and F6 are more than 80%. Mixed cultures were conducted pairwise among F2, F3, F5 and F6, and the results show that the combination of F2 and F6 strains exhibits the best flocculating efficiency and it is higher than that of any pure strain.
| Original language | English |
|---|---|
| Pages (from-to) | 1609-1613 |
| Number of pages | 5 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 42 |
| Issue number | 10 |
| State | Published - Oct 2010 |
Keywords
- 16SrDNA sequence
- Flocculation
- Phylogenetic analysis
- Polysaccharide
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