Abstract
The evolution and the latest development of the sulfate wastewater's biological treatment technics at home and abroad were summarized. Before 1990s the single-phase anaerobic technics was widely used in treating sulfate wastewater in the world, but the treatment always run unsuccessfully. The mechanism of the primary and sub inhibitive effect on methane-producing bacteria and other anaerobic microorganisms caused by sulfate-reducing bacteria was discussed in most studies and the improving measures were discussed too. After 1990s, kinds of new technics of biologically treating sulfate wastewater were developed. The following processes such as single-phase anaerobic reactor plus gas-lift process, sulfate-reduction plus sulfide photosynthesis oxidation process, sulfate-reduction plus sulfide chemical precipitation process, bio-film process, two-phase anaerobic process, two-phase anaerobic process plus sulfide bio-oxidation process etc. were emphatically introduced and the key points and experimental results of each process were briefly introduced. The points of further improving the efficiency of bio-treatment of sulfate-laden wastewater were given at the same time.
| Original language | English |
|---|---|
| Pages (from-to) | 1446-1449+1501 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 36 |
| Issue number | 11 |
| State | Published - Nov 2004 |
Keywords
- Methane-producing bacteria (MPB)
- Sulfate wastewater
- Sulfate-reducing bacteria (SRB)
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