Innovative Biological Process for Treatment of Coking Wastewater
文献类型：期刊论文
| 作者 | Li, Haibo1; Cao, Hongbin1; Li, Yuping1; Zhang, Yi1; Liu, Hanrui2 |
| 刊名 | ENVIRONMENTAL ENGINEERING SCIENCE
 |
| 出版日期 | 2010-04-01 |
| 卷号 | 27期号:4页码:313-322 |
| 关键词 | coking wastewater refractory organic compounds denitrification NO(3)(-)-N/COD ratio ammonia shortcut nitrification |
| ISSN号 | 1092-8758 |
| 通讯作者 | Cao, HB |
| 英文摘要 | Coking wastewater was treated by an A-O(1)-O(2) biofilm system composed of an anoxic bioreactor and two aerobic ones. To improve removal efficiency of organic pollutants, the anoxic bioreactor was used to investigate organic removal via anoxic process with enhanced denitrification, and the first aerobic bioreactor was used to test the feasibility of nitrogen removal via nitrite in an attached growth system. Concentrations of ammonium nitrogen (NH(4)(+)-N), phenols, and chemical oxygen demand (COD) in the wastewater ranged between 200 and 500, 250 and 350, and 1,700 and 2,200mg L(-1), respectively. Removal of organic pollutants through anoxic process was enhanced by raising NO(3)(-)-N/COD ratio in the influent of anoxic bioreactor. Removal efficiencies for total organic compounds of 17.84%, 41.78%, 82.63%, and 88.73% were obtained at NO(3)(-)-N/COD ratios of 1:10, 1:5, 1:3, and 1:2, respectively. Shortcut nitrification was obtained in the first aerobic bioreactor when dissolved oxygen was 2.0-3.0 mg L(-1) at 35 degrees C +/- 1 degrees C. Both ammonia oxidation ratio and nitrite accumulation ratio were maintained above 85%, with ammonia load ranging from 0.22 to 0.30 g NH(4)(+)-N (L day)(-1) by adjusting the hydraulic retention time and influent NH(4)(+)-N concentration. Gas chromatography/mass spectrometry analysis demonstrated that most of organic compounds were decomposed at the enhanced denitrification stage and the high removal efficiency of total organic compounds was obtained through the A-O(1)-O(2) process. This study was presumed to provide a better option for the treatment of coking wastewater. |
| WOS标题词 | Science & Technology ; Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Engineering, Environmental ; Environmental Sciences |
| 研究领域[WOS] | Engineering ; Environmental Sciences & Ecology |
| 关键词[WOS] | SEQUENCING BATCH REACTORS ; ACTIVATED-SLUDGE ; NITROGEN REMOVAL ; DISSOLVED-OXYGEN ; NORTH-CAROLINA ; CARBON SOURCE ; DENITRIFICATION ; NITRIFICATION ; PH ; BIODEGRADATION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000276688100003 |
| 公开日期 | 2013-11-19 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/6171]  |
| 专题 | 过程工程研究所_湿法冶金清洁生产技术国家工程实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc Engn, Beijing 100190, Peoples R China 2.Angang Steel Co Ltd, Anshan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Haibo,Cao, Hongbin,Li, Yuping,et al. Innovative Biological Process for Treatment of Coking Wastewater[J]. ENVIRONMENTAL ENGINEERING SCIENCE,2010,27(4):313-322. |
| APA | Li, Haibo,Cao, Hongbin,Li, Yuping,Zhang, Yi,&Liu, Hanrui.(2010).Innovative Biological Process for Treatment of Coking Wastewater.ENVIRONMENTAL ENGINEERING SCIENCE,27(4),313-322. |
| MLA | Li, Haibo,et al."Innovative Biological Process for Treatment of Coking Wastewater".ENVIRONMENTAL ENGINEERING SCIENCE 27.4(2010):313-322. |
入库方式： OAI收割
来源：过程工程研究所
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