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2,4-二氯酚高效降解菌的筛选及其降解性能研究
Screening on High-efficient Degradation Strains and Their Degradation Ability towards 2,4-Dichlorophenol
【摘要】 以2,4-二氯酚(DCP)为选择物,分离得到了3株高效降解菌,其降解率分别为63.2%,57.1%和47.4%,经鉴定,3株高效降解菌都属于芽孢杆菌属。通过对其降解性能的研究后发现:外加碳源可提高微生物的降解能力,L14与L18混合培养,降解率可达74.4%。
【Abstract】 With 2,4-Dichlorophenol(DCP) as carbon resource,three high efficient degradation strains with degradation rates of 63.2 %,57.1 % and 47.4 % for DCP,respectively,were screened and identified as Bacillus sp.Supplement of additional carbon resources raised their degradation ability,the degradation rate of the screened strainsL14+L18 mixture reached 74.4%.
【关键词】 2,4-二氯酚;
微生物降解;
筛选;
性能;
【Key words】 2,4-Dichlorophenol; Microbial degradation; Screen; Capability;
【Key words】 2,4-Dichlorophenol; Microbial degradation; Screen; Capability;
【基金】 井冈山学院科研基金资助项目(04LY11)
- 【文献出处】 河南农业科学 ,Journal of Henan Agricultural Sciences , 编辑部邮箱 ,2007年03期
- 【分类号】X172
- 【被引频次】8
- 【下载频次】224