过硫酸盐降解土壤中氯霉素、甲砜霉素和氟甲砜霉素的研究
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摘要
过硫酸盐经金属离子活化产生硫酸根自由基,可高效降解土壤中的氯霉素、甲砜霉素和氟甲砜霉素。通过考察反应体系的初始pH条件、确定活化金属离子以及过硫酸盐与金属离子的投入比例等试验条件,确定最佳反应参数。结果表明:当酸性条件下,pH为3,选取亚铁离子作为土壤降解的活化金属离子,过硫酸钾:Fe2+:氯霉素类抗生素的摩尔质量比为40∶20∶1时,氯霉素、甲砜霉素、氟甲砜霉素降解率分别为80.9%、79.2%和78.4%,降解效果最佳。
Sulfate redical generated by activating persulfate with transition metal ions can be used to degradethe chloramphenicol,thiamphenicol and florfenicol in soil. The optimal condition of degradation was investigated.The result indicated that when the pH value and persulfate∶ Fe~(2+)∶ contaminants molar ratio were 3 and 40∶ 20∶ 1,the highest reduction rate of chloramphenicol,thiamphenicol and florfenicol which were 80. 9%,79. 2% and78. 4% respectively.
Sulfate redical generated by activating persulfate with transition metal ions can be used to degradethe chloramphenicol,thiamphenicol and florfenicol in soil. The optimal condition of degradation was investigated.The result indicated that when the pH value and persulfate∶ Fe~(2+)∶ contaminants molar ratio were 3 and 40∶ 20∶ 1,the highest reduction rate of chloramphenicol,thiamphenicol and florfenicol which were 80. 9%,79. 2% and78. 4% respectively.
引文
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[21]司文帅,董茂锋,张其才,等.液相色谱串联质谱法检测双孢蘑菇培养料中四环素类药物残留[J].食用菌学报,2017,24(3):63-67.
[22]万译文,邓克国,刘丽.高效液相色谱-串联质谱法同时测定水产品中氯霉素、甲砜霉素和氟甲砜霉素的残留量[J].分析试验室,2013,32(5):84-87.
[23]冯民,魏云计,朱臻怡,等.高效液相色谱-串联质谱法同时测定饲料中氯霉素、甲砜霉素与氟甲砜霉素残留量[J].分析测试学报,2013,32(1):117-121.
[24]FENG M,QU R,ZHANG X,et al.Degradation of flumequine in aqueous solution by persulfate activated with common methods and polyhydroquinone-coated magnetite∕multi-walled carbon nanotubes catalysts[J].Water Research,2015,85:1-10.
[2]MURRAY T R,DOWNAY K M,YUNIS A A.Chloramphenicol-mediated DNA damage and its possible role in the inhibitory effects of chloramphenicol on DNA synthesis[J].J.Lab.Clin.Med.,1983,102:926-932.
[3]中华人民共和国农业部.农业部公告第193号食品动物禁用的兽药及其他化合物清单[EB∕OL].(2002-04-09)[2016-11-20].http:∕∕jiuban.moa.gov.cn∕zwllm∕tzgg∕gg∕201104∕t20110422_1976324.htm.
[4]FUKU H,FUJIHATA Y,KANO T.In vitroandin vivoantibacterial activity of florfenicol,a new florinated analog of thiamphenicol,against fish pathogens[J].Fish Pathol,1987,22:201-207.
[5]LANGE R,DIETRICH D.Environmental risk assessment of pharmaceutical drug substances conceptual considerations[J].Toxicology Letter,2002,131:97-104.
[6]中华人民共和国农业部.农业部公告第153号动物性食品中最高残留限量[EB∕OL].(2002-10-24)[2016-11-20].http:∕∕www.ziq.gov.cn∕portal∕chnl18072∕11417.htm.
[7]ELMUND G K,MORRISON S M,GRANT D W,et al.Role of excreted chlortetracycline in modifying the decomposition process in feedlot waste[J].Bulletin of Environmental Contamination and Toxicology,1971,6:129-132.
[8]杨玉凤.蜂蜜抗生素残留超标的原因及其控制对策[J].蜜蜂杂志,2004(2):24.
[9]聂湘平,王翔,陈菊芳.水产养殖与有毒有害污染物残留及其环境影响[J].环境科学与技术,2007,30(4):106-111.
[10]SAMUELSEN O B,LUNESTAD B T,ERVIK A,et al.Stability of antibacterial agents in an artificial marine aquaculture sediment studied under laboratory conditions[J].Aquaculture.1994,126(3):283-290.
[11]贺家亮.动物性食品兽药残留现状及对策[J].中国动物检疫,2006,23(7):22-24.
[12]谢芳.动物园性食品中氯霉素辐射降解产物和机理的研究变化机制研究[D].北京:中国农业科学院,2008.
[13]施惠栋,戚增国.电子束处理降解虾仁中氯霉素的研究[J].核农学报,2003,17(4):301-303.
[14]孙爱东,赵立群.臭氧在出口小龙虾生产中降解氯霉素、农残及杂菌应用的研究[J].食品科技,2002(10):25-27.
[15]伍玲,陈春,唐剑等.60Coγ射线辐照降解蜂产品中残留氯霉素的研究[J].中国蜂业,2006,57(9):5-6.
[16]ANIPSITAKIS G P,DIONYSIOU D D.Radical Generation by the Interaction of Transition Metals with Common Oxidants[J].Environ.Sci.Technol,2004,38:3705-3712.
[17]CHU W,WANG Y R,LEUNG H F.Synergy of Sulfate and Hydroxyl Radicals in UV∕S2O82-∕H2O2Oxidation of Iodinated X-ray Contrast Medium Iopromide[J].Chem.Eng.J.,2011,178:154-160.
[18]EPOLD I,TRAPIDO M,DULOVA N.Degradation of levofloxacin in aqueous solutions by Fenton,ferrous ion-activated persulfate and combined Fenton∕persulfate systems[J].Chem.Eng.J.,2015,279:452-462.
[19]GAO Y Q,GAO N Y,DENG Y,et al.Heat-activated persulfate oxidation of sulfamethoxazole in water[J].Desalination and Water Treatment,2015,56:2225-2233.
[20]TEEL A L,AHMAD M,WATTS R J.Persulfate activation by naturally occurring trace minerals[J].J.Hazard.Mater,2011,196:153-159.
[21]司文帅,董茂锋,张其才,等.液相色谱串联质谱法检测双孢蘑菇培养料中四环素类药物残留[J].食用菌学报,2017,24(3):63-67.
[22]万译文,邓克国,刘丽.高效液相色谱-串联质谱法同时测定水产品中氯霉素、甲砜霉素和氟甲砜霉素的残留量[J].分析试验室,2013,32(5):84-87.
[23]冯民,魏云计,朱臻怡,等.高效液相色谱-串联质谱法同时测定饲料中氯霉素、甲砜霉素与氟甲砜霉素残留量[J].分析测试学报,2013,32(1):117-121.
[24]FENG M,QU R,ZHANG X,et al.Degradation of flumequine in aqueous solution by persulfate activated with common methods and polyhydroquinone-coated magnetite∕multi-walled carbon nanotubes catalysts[J].Water Research,2015,85:1-10.