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Biodegradation of 2-methylisoborneol by bacteria enriched from biological activated carbon

Rongfang YUAN, Beihai ZHOU, Chunhong SHI, Liying YU, Chunlei ZHANG, Junnong GU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5, Pages 701-710 doi: 10.1007/s11783-011-0367-6

Abstract: One of the most common taste and odour compounds (TOCs) in drinking water is 2-methylisoborneol (2-MIBFour bacterial strains for degrading 2-MIB were isolated from the surface of a biological activated carbonThe removal efficiencies of 2-MIB with initial concentrations of 515 ng·L were 98.4%, 96.3%, 95.0%,The kinetic model showed that biodegradation of 2-MIB at an initial dose of 4.2 mg·L was a pseudo-first-orderThese degraders decomposed 2-MIB to form 2-methylenebornane and 2-methyl-2-bornane as the products.

Keywords： 2-methylisoborneol (2-MIB) biodegradation 2-methylenebornane 2-methyl-2-bornane pseudo-first-order reaction

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Detection of geosmin and 2-methylisoborneol by liquid-liquid extraction-gas chromatograph mass spectrum

MA Xiaoyan, CHEN Beibei, LI Qingsong, ZHANG Qiaoli, GU Guofen

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3, Pages 286-291 doi: 10.1007/s11783-007-0048-7

Abstract: introduced and compared in this paper to establish a simple, quick and exact analysis of geosmin and 2-methylisoborneol.Mean recoveries of SPE were low for 2-methylisoborneol (2-MIB) and geosmin (GSM) with values below 50%For LLE, the recoveries were satisfyingly above 50% for 2-MIB and 80% for GSM.Detection limits of the LLE method were as low as 1.0 ng/L for GSM and 5.0 ng/L for 2-MIB.

Keywords： summer flocculation simple Shanghai spectrum

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Occurrence of odor problems in drinking water of major cities across China

SUN Daolin,YU Jianwei,YANG Min,AN Wei,ZHAO Yunyun,LU Ning,YUAN Shengguang,ZHANG Dongqing

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3, Pages 411-416 doi: 10.1007/s11783-013-0577-1

Abstract: The occurrence rate of 2-methylisoborneol (2-MIB) in the surface source water samples was 75%, with 7%of samples containing 2-MIB concentrations of over 10 ng·L .The earthy/musty odor in the lake/reservoir water samples was mainly caused by 2-MIB (linear regressioncoefficient, =0.69), while the correlation between 2-MIB concentration and the earthy/musty odor intensity

Keywords： flavor profile analysis 2-methylisoborneol swampy/septic odor earthy/musty odor drinking water quality

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第三届环境、工业和能源工程国际会议(EI2E 2019)

Conference Date: 19 Sep 2019

Conference Place: 宁夏银川

Administered by: APISE

第四届设计、机械和材料工程国际会议(D2ME 2019)

Conference Date: 26 Sep 2019

Conference Place: 釜山，韩国

Administered by: HKSME

Xiao Yonghong: Co-evolution of Clinical Highly Resistant and Highly Toxic Pathogens (2023-2-22)

10 Mar 2023

Keywords：代谢与免疫

第四届设计、机械和材料工程国际会议(D2ME 2019)

Conference Date: 26 Sep 2019

Conference Place: 釜山，韩国

Administered by: HKSME

Between Physical Activity, Sedentary Behavior and Cardiovascular Disease risk in Patients with Type 2Diabetes: MlDiab Study (2023-2-21)

2 Mar 2023

Keywords：营养健康

Shenshizhao: Large Span Structure (2018-6-2)

22 Apr 2021

Keywords：光学技术

Jian Li：iScience and Interdisciplinary Research (2020-4-2)

18 Apr 2022

Keywords：工程管理

Jin Yong: Expansion of Chemical Reaction Scale (2018-6-2)

22 Apr 2021

Keywords：化工

Academician Xu Mi Interpretation of China's Nuclear Energy (2018-6-2)

22 Apr 2021

Keywords：核能

Sun Jinsheng: Oil and Gas Exploitation in China (2018-6-2)

15 Apr 2021

Keywords：采油工程

第2届智能医疗与图像处理国际会议(IMIP 2020)

Conference Date: 23 Apr 2020

Conference Place: 天津

Administered by: IMIP 2020

Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1, Pages 80-84 doi: 10.1007/s11705-008-0017-0

Abstract: 2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl thioester(III), an importantintermediate of the fourth generation cephalosporins, was efficiently synthesized by reacting 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid (I) with 2,2′-dibenzothiazole disulfide (II) in

Keywords： 5-Amino-1 2 4-thiadiazol-3-yl 1 2-dichloroethane important intermediate 2-benzothiazolyl thioester temperature