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学科主题: Environmental Sciences
题名: Linear alkylbenzene sulfonate (LAS) in water of Lake Dianchi-spatial and seasonal variation, and kinetics of biodegradation
作者: Wang, Zhi1, 2; Xiao, Bangding1; Wu, Xingqiang1, 2; Tu, Xinhai1, 2; Wang, Yingcai1, 2; Sun, Xiaolei3; Song, Lirong1
通讯作者: Xiao, BD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: Linear alkylbenzene sulfonate (LAS) ; Spatial and seasonal variation ; Biodegradation ; Lake Dianchi
刊名: ENVIRONMENTAL MONITORING AND ASSESSMENT
发表日期: 2010-12-01
DOI: 10.1007/s10661-009-1295-9
卷: 171, 期:1-4, 页:501-512
收录类别: SCI
文章类型: Article
部门归属: [Wang, Zhi; Xiao, Bangding; Wu, Xingqiang; Tu, Xinhai; Wang, Yingcai; Song, Lirong] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Wang, Zhi; Wu, Xingqiang; Tu, Xinhai; Wang, Yingcai] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China; [Sun, Xiaolei] Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Chinese Academy of Sciences (CAS) [KZCX2-YW-426]; Special Program for Water Pollution Control in China [2008ZX07102-005]; Science Foundation of NSFC-Yunnan Province [U0833604]
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
摘要: For the purpose of elucidating the environmental characteristics of anion surfactants [linear alkylbenzene sulfonates (LAS)] in the water of Lake Dianchi, a sampling investigation in the field from October 2006 to July 2007 and a batch of biodegradation experiments in the laboratory were carried out. The results showed that concentrations of LAS ranged from 18.6 to 260.1 mu g L (-aEuro parts per thousand 1), and the average concentration was 52.6 mu g L (-aEuro parts per thousand 1) in Lake Dianchi. The highest concentrations of LAS were found in the Northwest region, and the distribution of LAS varied through seasons, with much lower concentrations in fall than in any other seasons. LAS can be primarily biodegraded by microorganisms in the lake water, and the percentage of degradation was > 97% after 28 days. Biodegradation of LAS was well-fitted with the kinetic model presented in this paper, and the half-lives ranged from 3.2 to 16.3 days. Temperature, pH, and initial concentrations could affect the biodegradation of LAS, among which temperature was the major factor influencing on biodegradation of LAS in water of Lake Dianchi.
英文摘要: For the purpose of elucidating the environmental characteristics of anion surfactants [linear alkylbenzene sulfonates (LAS)] in the water of Lake Dianchi, a sampling investigation in the field from October 2006 to July 2007 and a batch of biodegradation experiments in the laboratory were carried out. The results showed that concentrations of LAS ranged from 18.6 to 260.1 mu g L (-aEuro parts per thousand 1), and the average concentration was 52.6 mu g L (-aEuro parts per thousand 1) in Lake Dianchi. The highest concentrations of LAS were found in the Northwest region, and the distribution of LAS varied through seasons, with much lower concentrations in fall than in any other seasons. LAS can be primarily biodegraded by microorganisms in the lake water, and the percentage of degradation was > 97% after 28 days. Biodegradation of LAS was well-fitted with the kinetic model presented in this paper, and the half-lives ranged from 3.2 to 16.3 days. Temperature, pH, and initial concentrations could affect the biodegradation of LAS, among which temperature was the major factor influencing on biodegradation of LAS in water of Lake Dianchi.
关键词[WOS]: ALKYL BENZENE SULFONATE ; ANIONIC SURFACTANTS ; MARINE-ENVIRONMENT ; RISK ASSESSMENT ; TOXICITY ; FATE ; DEGRADATION ; ETHOXYLATE ; ESTUARY ; ECOSYSTEMS
语种: 英语
WOS记录号: WOS:000283592800039
ISSN号: 0167-6369
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13737
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Cent China Normal Univ, Coll Life Sci, Wuhan 430079, Peoples R China

Recommended Citation:
Wang, Zhi; Xiao, Bangding; Wu, Xingqiang; Tu, Xinhai; Wang, Yingcai; Sun, Xiaolei; Song, Lirong.Linear alkylbenzene sulfonate (LAS) in water of Lake Dianchi-spatial and seasonal variation, and kinetics of biodegradation,ENVIRONMENTAL MONITORING AND ASSESSMENT,2010,171(1-4):501-512
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