全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

混合耐冷菌群的优化筛选及应用研究

Keywords: 低温生活污水,耐冷细菌,耐冷酵母菌,混合耐冷菌群

Full-Text   Cite this paper   Add to My Lib

Abstract:

从冬季时污水处理厂曝气池的活性污泥中分离出高生物活性的耐冷细菌和耐冷酵母菌,以低温生活污水为处理对象,分别测定单株菌及混合耐冷菌群有机污染物降解能力。结果表明,共分离出从属于黄杆菌属、假单胞菌属、芽胞杆菌属等的耐冷细菌6株;从属于毕赤酵母菌属、假丝酵母菌属、红酵母菌属等的耐冷酵母菌4株。耐冷菌在5℃条件下具有相对较短的世代时间:9.04~13.11h。单株耐冷细菌F和耐冷酵母菌AH在5℃条件下的COD去除率分别为64%和83%。混合耐冷菌群经驯化后可较高地去除低温生活污水中的有机污染物,COD去除率可保持在83%~87%。

References

[1]  Chevalier P,Nitrogen and phosphoras removal by high latitude mat-forming cyano-bacteria for potential use in tertiary wastewater treatment,Journal of Applied Phycology,2003(2).
[2]  吴茂瑛 低温高效微量表面活性剂降解微生物的选育及降解动力学研究 [D].2003
[3]  Whyte L.G,Hawari J,Biodegradation of varidole-chainlength alkanes at low temperatures by a psychrotrophic Rhodococcus sp,Applied and Environmental Microbiology,1998(7).
[4]  Whyte L.G,Slanman S.J,Physiological adaptations involved in alkane assimilation at u low temperature by Rhodococcus sp.Strain Q15,Applied and Environmental Microbiology,2003(7).
[5]  Churchill S.A,Harper J.P,Churchill P.F,Isolation and characterization of a mycobaeterium species capable of degrading three-and four-ring aromatic and aliphatic hydrocarbons,Applied and Environmental Microbiology,1999(2).
[6]  Heipieper H.J,Diefenbach R,Keweloh H,Conversion of cis unsaturated fatty acids to trans,a possible mechanism for the protection of phenol-degrading Pseudomonas putida P8 from substrate toxicity,Applied and Environmental Microbiology,2002(5).
[7]  Morita R.Y,Psyehrophilic Bacteria,Bacteriological Reviews,1975(1).
[8]  李荷.梁卫驱.吴小映.刘玉焕 一株新耐冷菌SA-8降解有机磷农药的研究 [J].-中山大学学报(自然科学版)2004(3)
[9]  Rosa Margesin,Low-temperature biodegradation of high amounts of phenol by Rhodoccus spp.and basidiomycetous yeasts,Research in Microbiology,2005(1).
[10]  Kolenc R.J,Inniss W.E,Transfer and expression of mesophilic plasmid-mediated degradative capacity in a psychrotrophic bacterium,Applied and Environmental Microbiology,1998(2).
[11]  韩晓云.姜安玺.何丽蓉 低温菌及其在环境工程中的应用 [J].-东北林业大学学报2003(2)
[12]  Inniss W.E,Mayfield C.I,Growth rates of psychrotrophic sediment microorganisms,Water Research,1978(4).
[13]  Ingraham J.L,Growth of psyehrophilic bacteria,Journal of Bacteriology,1958(1).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133