| 采用固定化技术处理土壤中菲、芘污染物 |
| 摘要点击 2287 全文点击 2457 投稿时间：2001-04-01 修订日期：2001-07-18 |
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| 中文关键词 固定化 降解 污染土壤 菲 芘 |
| 英文关键词 immobilized degradation contaminated soil phenanthrene pyrene |
| 作者 | 单位 | | 王新 | 中国科学院沈阳应用生态研究所,沈阳,110016 | | 李培军 | 中国科学院沈阳应用生态研究所,沈阳,110016 | | 巩宗强 | 中国科学院沈阳应用生态研究所,沈阳,110016 | | 曲向荣 | 沈阳工业大学理学院,沈阳,110023 | | 王兵 | 沈阳工业大学理学院,沈阳,110023 |
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| 中文摘要 |
| 采用动胶杆菌(Zoogloea sp.)固定化技术包埋来降解土壤中菲、芘污染物,在不同接种量、不同系列浓度下,对降解效果进行了测定.结果表明:5%的接种量最为合理,在168h时,固定化细菌对菲、芘的降解率达84.89%和76.94%;而在相同条件下土著菌降解仅达到27.85%和19.65%,因此动胶杆菌(Zoogloea sp.)具有更好的降解能力.另外,还用电镜观察研究了动胶杆菌在载体中的分布形态,表明了固定化细菌降解土壤中菲、芘具有较高的优势. |
| 英文摘要 |
| The phenanthrene and pyrene contaminated soil was degradated by immobilized-imbedding the selected Zoogloea sp. The degradation rate was determined under various amounts of inoculation and concentration, and the result showed that there was the best degradation rate at 5%. After 168h, the degradation rate of immobilized Zoogloea sp. to phenanthrene and pyrene was 84.89% and 76.94% respectively. While, the degradation rate of the native bacterium was only 27.85% and 19.65% at the same condition. So the Zoogloea sp. had the better degradation ability. And, Zoogloea sp. distributing shape in immobilized carrier was studied with electric scan-photo, it inferred that immobilized bacterium had the better degradation rate. |
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