ISOLATION AND CHARACTERIZATION OF ALKALI-TOLERANT CRUDE OIL DEGRADING BACTERIA CONSORTIA FROM THE OILY SLUDGE
Jiang, YY (Jiang, Yunyun); Tao, KL (Tao, Kelin); Qu, CT (Qu, Chengtun); Fan, DD (Fan, Daidi); Guo, XF (Guo, Xinfeng); Wang, CY (Wang, Chuanyi); Jia, HZ (Jia, Hanzhong)
2017
发表期刊FRESENIUS ENVIRONMENTAL BULLETIN
卷号26期号:12页码:7122-7127
摘要

This study details the indigenous oil-degrading consortia, using crude oil as sole carbon and energy sources, which were screened out from the oily sludge of Central-Asia arid region via a crude oil mineral salt medium (MSM) plate tests. The enriched consortia are considered as heterotrophic alkali-tolerant microorganisms, which readily grew under the pH 6.0-12.0. Moreover, petroleum hydrocarbon degradation in water exhibited that the decomposition rate was the highest at pH 11.0 and reached 68.57% for the 8 d period. For the alkaline oily sludge with pH of similar to 10, the selected consortia could consume 60% of petroleum hydrocarbon in 7 days of aerobic cultivation, indicating that it had the potential practical application in remediation of crude oil-contaminated saline-alkaline soil and sludge. GC-MS analysis of the residual hydrocarbons showed that chain saturated alkane (C8 to C20) was greater than 90% treated for 8 days. Based on 16S rRNA gene sequences, the consortia were identified as Porphyrobactercryptus, Staphylococcus epidermidis, and Pseudomonas aeruginosa. Overall, the obtained oil-degrading strain presented a short growth period, the ease of isolation and screening, as well as the high crude oil degradation capacity and alkali-tolerant property, which would endow it to degrade crude-oil under alkali-wastewater or sludge.

关键词Petroleum Biodegradation Consortia Screening Alkali-tolerant Property 16s Rrna
收录类别SCI
WOS记录号WOS:000419539700020
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/5474
专题中国科学院特殊环境功能材料与器件重点试验室
作者单位1.Chinese Acad Sci, Lab Environm Sci & Technol, Xinjiang Tech Inst Phys & Chem, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
2.Northwest Univ, Sch Chem Engn, Xian 710069, Shaanxi, Peoples R China
3.Xian Shiyou Univ, Sch Chem & Chem Engn, Xian 710065, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Jiang, YY ,Tao, KL ,Qu, CT ,et al. ISOLATION AND CHARACTERIZATION OF ALKALI-TOLERANT CRUDE OIL DEGRADING BACTERIA CONSORTIA FROM THE OILY SLUDGE[J]. FRESENIUS ENVIRONMENTAL BULLETIN,2017,26(12):7122-7127.
APA Jiang, YY .,Tao, KL .,Qu, CT .,Fan, DD .,Guo, XF .,...&Jia, HZ .(2017).ISOLATION AND CHARACTERIZATION OF ALKALI-TOLERANT CRUDE OIL DEGRADING BACTERIA CONSORTIA FROM THE OILY SLUDGE.FRESENIUS ENVIRONMENTAL BULLETIN,26(12),7122-7127.
MLA Jiang, YY ,et al."ISOLATION AND CHARACTERIZATION OF ALKALI-TOLERANT CRUDE OIL DEGRADING BACTERIA CONSORTIA FROM THE OILY SLUDGE".FRESENIUS ENVIRONMENTAL BULLETIN 26.12(2017):7122-7127.
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