| 苯酚存在对生物强化系统降解2,4-二氯酚的影响 |
| 摘要点击 1257 全文点击 1547 投稿时间：2001-12-13 修订日期：2002-01-28 |
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| 中文关键词 降解速率 半连续流 固有菌 高效菌 苯酚 2,4-二氯酚 |
| 英文关键词 biodegradation rate semi-continuous test indigenous culture special culture phenol 2,4-dichlorophenol |
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| 中文摘要 |
| 研究了采用生物强化技术降解废水中2,4-二氯酚(简称2,4-DCP)时,不同浓度的苯酚存在对生物强化系统降解2,4-DCP的影响,并通过半连续流实验研究了苯酚长期存在下强化系统中2,4-DCP和苯酚生物降解速率的变化趋势.结果表明,苯酚浓度为10mg/L,50mg/L,100 mg/L及300mg/L时,都会对强化系统中2,4-DCP的降解速率产生一定的抑制作用,而且抑制作用随着苯酚浓度的增加而增强.不同浓度的苯酚与2,4-DCP长期共存时,2,4-DCP的降解速率表现出下降的趋势,而苯酚的降解速率则有所增强. |
| 英文摘要 |
| Special culture for 2,4-Dichlorophenol(2,4-DCP) degradation were supplemented to an activated sludge system and the effects of the presence of phenol at various concentration on the removal of 2,4-DCP were studied. In addition, the changes of the removal rate of 2,4-DCP and phenol under the long existence of phenol was investigated in semicontinuous test. Results show than the presence of phenol at the concentration of 10mg/L,50mg/L,100mg/L and 300mg/L inhibit the biodegradation of 2,4-DCP and the inhibition increased with increasing of phenol concentration.2,4-DCP biodegradation rate declined with the run of semi-continuous test, while the biodegradation rate of phenol was much faster than the first run. |
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