Abstract
In order to study the deep-treatment of dye wastewater, a technology for degradating Mordant Orange I in water by biological-physico-chemical combination craft consisted of aerobic and micro-electrolysis was developed. The effects of volume ratio of Fe to C, initial pH and HRT on the further treatments of Mordant Orange I with combination craft were investigated. The experiment result showed that: The removal rates of color and MO I were found to be 98.14% and 93.29%, respectively, when the following optimal conditions were used: dye concentration of 100 mg/L with a pH of 5.0, vollum rate of Fe to C 1:2, rate of air/water 15:1 and a internal electrolysis hydraulic retention time of 40 min. Compared with internal electrolysis, obvious effects of ultra-violet on the further removal of color and Mordant Orange I were not found. Acid and aldehyde of six carbon were the main products of internal electrolysis.
| Original language | English |
|---|---|
| Pages (from-to) | 255-259 |
| Number of pages | 5 |
| Journal | Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology |
| Volume | 44 |
| Issue number | SUPPL.2 |
| State | Published - Mar 2012 |
Keywords
- Biotreatment
- Combination craft
- Internal electrolysis
- Mordant Orange I
- Optimization
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