| 两株耐冷低温菌的分离鉴定及应用的初步研究 |
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| 引用本文： | 李慧峰,黄津辉,周绪申,林超,罗阳.两株耐冷低温菌的分离鉴定及应用的初步研究[J].安徽农业科学,2013,41(3):1204-1206,1292. |
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| 作者姓名： | 李慧峰 黄津辉 周绪申 林超 罗阳 |
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| 作者单位： | 1. 天津大学水利工程仿真与安全国家重点实验室,天津,300072
2. 水利部海河水利委员会水资源保护局,天津,300170 |
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| 基金项目： | 教育部新世纪优秀人才支持计划基金项目(NCET-09-0586);水利部公益性行业科研专项(201101018,201201114);国家国际科技合作专项(S2013BGR0244) |
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| 摘 要： | 目的]初步研究两株耐冷低温菌对污水CODCr的降解效果。方法]从天津市空港经济区污水处理厂活性污泥分离获得了两株对污水具有降解能力的耐冷细菌,并对筛选出的单菌株在6℃条件下对模拟生活污水CODCr降解能力进行了测定。结果]两株耐冷菌初步鉴定为K 36睾丸酮假单胞菌,K 38居泉沙雷氏菌。单个菌株对模拟生活污水CODCr去除率存在差异,菌株K 36去除率为23%,菌株K 38的降解率为53%。生长速率测定结果表明,两株细菌在低温下具有较高的活性。结论]K 36和K 38存在在污水治理中应用的潜力。
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| 关 键 词： | 活性污泥 耐冷细菌 CODCr降解 分离鉴定 |
Isolations and Identifications of the Two Psychrotroph Strains and Preliminary Research on Their Applications |
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| Institution: | LI Hui-feng et al(State Key Laboratory of Hydraulic Engineering Simulation and Safety,Tianjin University,Tianjin 300072) |
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| Abstract: | Objective ] The research aimed to initially study degradation effect of the CODer in sewage by two psychrotroph strains. Method ] Two psychrotrophs strains were isolated from the activated sludge of wastewater treatment plant in Tianjin Airport Economic Area. CODer degra- dation ability of the screened single psychrotroph strain was analyzed in simulated domestic wastewater at 6 ~C. Result] K 36 was identified as Comamonas testosterone, and K 38 was identified as Serratia fottticola. CODcr degradation abilities of the two strains were different in test. CODcF removal rates of the K 36 and K 38 respectively reached up to 23% and 53%. The measured result of growth rate suggested that two psychrotrophs both had high activities at low temperature. Conclusion] K 36 and K 38 had potentials for application in wastewater treatment. |
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| Keywords: | Activated sludge Psychrotroph CODer degradation Isolation and identification |
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