溶解有机质对光照自然水体生物膜体系中H_2O_2生成的影响
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摘要
通过模拟实验研究了生物膜胞外聚合物(EPS)和乙二胺四乙酸(EDTA) 2种典型溶解有机质(DOM)成分对自然水体生物膜体系中过氧化氢(H_2O_2)生成特征的影响,并研究了体系初始pH值、DOM浓度、溶解氧(DO)等因素的影响.结果表明,DOM的存在对自然水体生物膜体系中H_2O_2的生成有明显影响.光照能促使EPS产生H_2O_2,而EPS的存在对生物膜产生H_2O_2的直接影响不显著,EPS与生物膜共存体系中的H_2O_2由二者共同产生; EDTA本身不产生H_2O_2,且对H_2O_2分解影响很小,但会显著抑制生物膜产生H_2O_2,且浓度越高抑制作用越明显.体系pH值、DOM浓度和DO均能不同程度影响EPS产生H_2O_2及EDTA抑制生物膜产生H_2O_2的作用.
The effects of dissolved organic matter( DOM) on the generation characteristics of hydrogen peroxide( H_2O_2) in natural biofilm systems were studied. The biofilm extracellular polymeric substances( EPS)and ethylenediamine tetraacetic acid( EDTA) were chosen as two typical DOM components. The results show that the presence of DOM has significant influences on the generation of H_2O_2. Illumination can promote EPS to produce H_2O_2 and EPS has no significant direct influences on generation of H_2O_2 by biofilms. H_2O_2 in the coexistence system is produced by both EPS and biofilms. EDTA doesn't produce H_2O_2 itself and has little influence on decomposition of H_2O_2,while showing significantly inhibition correlating to EDTA concentrations positively on the generation of H_2O_2 by biofilms. The pH value,DOM concentration and dissolved oxygen( DO) of the systems can varyingly affect the generation of H_2O_2 by EPS and the inhibition of EDTA on the generation of H_2O_2 in biofilms. Therefore,DOM has influences on both the generation of H_2O_2 in biofilms and the concentration of H_2O_2 in water environment,and the influences of different DOM components with different structures and properties may be significantly different.
The effects of dissolved organic matter( DOM) on the generation characteristics of hydrogen peroxide( H_2O_2) in natural biofilm systems were studied. The biofilm extracellular polymeric substances( EPS)and ethylenediamine tetraacetic acid( EDTA) were chosen as two typical DOM components. The results show that the presence of DOM has significant influences on the generation of H_2O_2. Illumination can promote EPS to produce H_2O_2 and EPS has no significant direct influences on generation of H_2O_2 by biofilms. H_2O_2 in the coexistence system is produced by both EPS and biofilms. EDTA doesn't produce H_2O_2 itself and has little influence on decomposition of H_2O_2,while showing significantly inhibition correlating to EDTA concentrations positively on the generation of H_2O_2 by biofilms. The pH value,DOM concentration and dissolved oxygen( DO) of the systems can varyingly affect the generation of H_2O_2 by EPS and the inhibition of EDTA on the generation of H_2O_2 in biofilms. Therefore,DOM has influences on both the generation of H_2O_2 in biofilms and the concentration of H_2O_2 in water environment,and the influences of different DOM components with different structures and properties may be significantly different.
引文
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[34]Fujii M.,Dang T.C.,Bligh M.W.,Rose A.L.,Waite T.D.,Environ.Sci.Technol.,2014,48(1),365-374
[35]Li N.,Qiao X.L.,Liu Y.,Zhou F.,Environ.Chem.,2015,34(7),1246-1251(李宁,乔显亮,刘远,周菲.环境化学,2015,34(7),1246-1251)
[36]Johannessen S.C.,Miller W.L.,Mar.Chem.,2001,76(4),271-283
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[39]Mu Y.N.,Adsorption of Cu2+by Natural Biofilms Associated with Extracellular Polymeric Substances(EPS),Jiangnan University,Wuxi,2016(慕亚南.自然水体生物膜及其胞外聚合物对Cu2+的吸附研究,无锡:江南大学,2016)
[40]Wang L.L.,Wang L.F.,Ren X.M.,Ye X.D.,Li W.W.,Yuan S.J.,Sun M.,Sheng G.P.,Yu H.Q.,Wang X.K.,Environ.Sci.Technol.,2012,46(2),737-744
[41]Fan X.M.,Li X.G.,Tang X.L.,Zhou X.,Liu B.,Zou H.L.,Acta.Oceanol.Sin.,2012,34(5),191-196(范晓明,李先国,唐旭利,周璇,刘宝,邹惠玲.海洋学报,2012,34(5),191-196)
[42]Yin Y.W.,Study of the Degradation of Organic Pollutants in Water by Fenton-like Reaction in the Presence of Chelate,Harbin Institute of Technology,Harbin,2015(尹怡维.络合剂存在下类Fenton反应降解水中有机污染物研究,哈尔滨:哈尔滨工业大学,2015)
[43]Zheng J.X.,Peng Q.,Zhang J.Y.,Liu X.L.,Ding S.M.,J.Microbiol.,2006,26(6),80-84(郑金秀,彭祺,张甲耀,刘先利,丁世敏.微生物学杂志,2006,26(6),80-84)
[2]Zhang Y.X.,Guo A.T.,Wen Y.M.,Qi Z.H.,Hua X.Y.,Liang D.P.,Dong D.M.,J.Jilin Univ.(Sci.Ed.),2017,55(2),458-464(张雨馨,郭爱桐,温亚梅,祁子涵,花修艺,梁大鹏,董德明.吉林大学学报(理学版),2017,55(2),458-464)
[3]Shaked Y.,Harris R.,Klein-Kedem N.,Environ.Sci.Technol.,2010,44(9),3238-3244
[4]Clark C.D.,De Bruyn W.J.,Hirsch C.M.,Jakubowski S.D.,Water Res.,2010,44(7),2203-2210
[5]Liao C.H.,Gurol M.D.,Environ.Sci.Technol.,1995,29(12),3007-3014
[6]Cooper W.J.,Zika R.G.,Science,1983,220(4598),711-712
[7]Liu W.,Au D.W.T.,Anderson D.M.,Lam P.K.S.,Wu R.S.S.,J.Exp.Mar.Biol.Ecol.,2007,346(1/2),76-86
[8]Elstner E.F.,Annu.Rev.Plant.Physiol.,2003,33(1),73-96
[9]Dong D.M.,Sun J.Q.,Zhao T.Y.,Li M.,Hua X.Y.,Liang D.P.,Guo Z.Y.,Chem.J.Chinese Universities,2015,36(7),1337-1343(董德明,孙家倩,赵天宇,李明,花修艺,梁大鹏,郭志勇.高等学校化学学报,2015,36(7),1337-1343)
[10]Hua X.Y.,Li M.,Su Y.L.,Dong,D.M.,Guo,Z.Y.,Liang D.P.,J.Hazard.Mater.,2012,229(7),450-454
[11]Dalrymple R.M.,Carfagno A.K.,Sharpless C.M.,Environ.Sci.Technol.,2010,44(15),5824-5829
[12]Zhang Y.,Del V.R.,Blough N.V.,Environ.Sci.Technol.,2012,46(21),11836-11843
[13]Rosario-Ortiz F.L.,Mezyk S.P.,Doud D.F.R.,Snyder S.A.,Environ.Sci.Technol.,2008,42(16),5924-5930
[14]Cory R.M.,Cotner J.B.,Mc N.K.,Environ.Sci.Technol.,2009,43(3),718-723
[15]Goldstone J.V.,Pullin M.J.,Bertilsson S.,Voelker B.M.,Environ.Sci.Technol.,2002,36(3),364-372
[16]Westerhoff P.,Aiken G.,Amy G.,Debroux J.,Water Res.,1999,33(10),2265-2276
[17]Yue L.X.,Wu F.C.,Liu C.Q.,Li W.,Fu P.Q.,Bai Y.C.,Wang L.Y.,Yin Z.Y.,LüZ.C.,Chin.Sci.Bull.,2005,50(24),2774-2780
[18]Kang F.X.,Long J.,Wang Q.,Qi R.H.,Zhu J.,Chin.J.Appl.Environ.Biol.,2010,16(1),129-134(康福星,龙健,王倩,齐瑞环,朱健.应用与环境生物学报,2010,16(1),129-134)
[19]Aktas.,e9en F.,Int.Biodeter.Biodegr.,2007,59,257-272
[20]Kantar C.,Earth Sci.Rev.,2007,81,175-198
[21]Noren K.,Persson P.J.J.,Phys.Chem.C,2010,114,16547-16555
[22]Dong D.M.,Li Y.,Zhang J.J.,Hua X.Y.,Chemosphere,2003,51(5),369-373
[23]Domínguez C.L.,Rodríguez P.M.,Rico D.P.,Talanta,2013,115,706-712
[24]Cooper W.J.,Lean D.R.S.,Environ.Sci.Technol.,1989,23(11),1425-1428
[25]Eisenberg G.,Ind.Eng.Chem.Anal.Ed.,1943,15(5),327-328
[26]Chen W.,Westerhoff P.,Leenheer J.A.,Booksh K.,Environ.Sci.Technol.,2003,37(24),5701-5710
[27]Li R.X.,Zeng H.M.,Zhou X.G.,Inorganic Chemistry,Chemical Industry Press,Beijing,2013,360-362(李瑞祥,曾红梅,周向葛.无机化学,北京:化学工业出版社,2013,360-362)
[28]Vermilyea A.W.,Hansard S.P.,Voelker B.M.,Limnol.Oceanogr.,2010,55(2),580-588
[29]Rose A.L.,Webb E.A.,Waite T.D.,Moffett J.W.,Environ.Sci.Technol.,2008,42(7),2387-2393
[30]Xie R.,Tang X.X.,Li Y.Q.,Wang Y.,Acta Oceanol.Sin.,2001,23(1),94-101(谢荣,唐学玺,李永祺,王悠.海洋学报,2001,23(1),94-101)
[31]Meunier L.,Laubscher H.,Hug S.J.,Sulzberger B.,Aquat.Sci.,2005,67(3),292-307
[32]Liang C.,Effect of Dissolved Organic Matters on Photolysis of Norfioxacin with Different Dissociation Species,Dalian University of Technology,Dalian,2014(梁辰.溶解性有机质对不同解离形态诺氟沙星光降解的影响,大连:大连理工大学,2014)
[33]Xiao J.,Influence Mechanism of Dissolved Organic Matter on Photodegradation of Polycyclic Aromatic Hydrocarbons,Dalian University of Technology,Dalian,2013(肖杰.溶解性有机质对多环芳烃光解的影响机制,大连:大连理工大学,2013)
[34]Fujii M.,Dang T.C.,Bligh M.W.,Rose A.L.,Waite T.D.,Environ.Sci.Technol.,2014,48(1),365-374
[35]Li N.,Qiao X.L.,Liu Y.,Zhou F.,Environ.Chem.,2015,34(7),1246-1251(李宁,乔显亮,刘远,周菲.环境化学,2015,34(7),1246-1251)
[36]Johannessen S.C.,Miller W.L.,Mar.Chem.,2001,76(4),271-283
[37]Walse S.S.,Morgan S.L.,Kong L.,Ferry J.L.,Environ.Sci.Technol.,2004,38(14),3908-3915
[38]Zhu W.C.,Chinese J.Catal.,1997,18(1),83-86(朱伟长.催化学报,1997,18(1),83-86)
[39]Mu Y.N.,Adsorption of Cu2+by Natural Biofilms Associated with Extracellular Polymeric Substances(EPS),Jiangnan University,Wuxi,2016(慕亚南.自然水体生物膜及其胞外聚合物对Cu2+的吸附研究,无锡:江南大学,2016)
[40]Wang L.L.,Wang L.F.,Ren X.M.,Ye X.D.,Li W.W.,Yuan S.J.,Sun M.,Sheng G.P.,Yu H.Q.,Wang X.K.,Environ.Sci.Technol.,2012,46(2),737-744
[41]Fan X.M.,Li X.G.,Tang X.L.,Zhou X.,Liu B.,Zou H.L.,Acta.Oceanol.Sin.,2012,34(5),191-196(范晓明,李先国,唐旭利,周璇,刘宝,邹惠玲.海洋学报,2012,34(5),191-196)
[42]Yin Y.W.,Study of the Degradation of Organic Pollutants in Water by Fenton-like Reaction in the Presence of Chelate,Harbin Institute of Technology,Harbin,2015(尹怡维.络合剂存在下类Fenton反应降解水中有机污染物研究,哈尔滨:哈尔滨工业大学,2015)
[43]Zheng J.X.,Peng Q.,Zhang J.Y.,Liu X.L.,Ding S.M.,J.Microbiol.,2006,26(6),80-84(郑金秀,彭祺,张甲耀,刘先利,丁世敏.微生物学杂志,2006,26(6),80-84)
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