胞外聚合物及其对重金属吸附作用的研究进展
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摘要
胞外聚合物(EPS)是一种对重金属具有良好吸附能力且广泛存在于自然环境中的天然物质,在环境领域逐渐受到重视。综述了近年来国内外有关微生物EPS的研究进展,包括EPS的产生机制、对不同重金属的吸附机理及其应用前景,列举了相似的结论与不同的观点,简要分析了产生差异性结果的原因,并对EPS的发展前景及研究方向进行了展望。
Extracellular polymeric substance(EPS) is a kind of natural substance having favorable adsorption capability for heavy metals,existing in natural environment,and gaining attention gradually in the environmental fields.The research progress in microbial EPS includes the generation mechanisms of EPS,adsorption mechanisms for different heavy metals,and their application prospect,in China and abroad,are summarized in this paper. Examples on similar conclusions and different viewpoints are presented,the causes that bring about different results analyzed briefly,and the developing prospect and research direction of EPS predicted.
Extracellular polymeric substance(EPS) is a kind of natural substance having favorable adsorption capability for heavy metals,existing in natural environment,and gaining attention gradually in the environmental fields.The research progress in microbial EPS includes the generation mechanisms of EPS,adsorption mechanisms for different heavy metals,and their application prospect,in China and abroad,are summarized in this paper. Examples on similar conclusions and different viewpoints are presented,the causes that bring about different results analyzed briefly,and the developing prospect and research direction of EPS predicted.
引文
[1]Costerton J W,Cheng K J,Geesey G G,et al.Bacterial biofilms in nature and disease[J].Annual Review of Microbiology,1987,41(1):435.
[2]Jahn A,Nielsen P H.Cell biomass and exopolymer composition in sewer biofilms[J].Water Science&Technology,1998,37(1):17-24.
[3]Nielsen P H,Jahn A.Extraction of EPS[J].Microbial Extracellular Polymeric Substances,1999:49-72.
[4]Laspidou C S,Rittmann B E.A unified theory for extracellular polymeric substances,soluble microbial products,and active and inert biomass[J].Water Research,2002,36(11):2711-2720.
[5]Chang W S,Mortel M V D,Nielsen L,et al.Alginate production by Pseudomonas putida creates a hydrated microenvironment and contributes to biofilm architecture and stress tolerance under water-limiting conditions[J].Journal of Bacteriology,2007,189(22):8290-8299.
[6]Zhang X,Bishop P L.Biodegradability of biofilm extracellular polymeric substances[J].Chemosphere,2003,50(1):63-69.
[7]Liu Yongqiang,Liu Yu,Tay J H.The effects of extracellular polymeric substances on the formation and stability of biogranules[J].Applied Microbiology&Biotechnology,2004,65(2):143-148.
[8]Ye Fenxia,Ye Yangfang,Li Ying.Effect of C/N ratio on extracellular polymeric substances(EPS)and physicochemical properties of activated sludge flocs[J].Journal of Hazardous Materials,2011,188(1/2/3):37-43.
[9]Wang Zhichao,Gao Mengchun,Xin Yanjun,et al.Effect of C/N ratio on extracellular polymeric substances of activated sludge from an anoxic-aerobic sequencing batch reactor treating saline wastewater[J].Environmental Technology,2014,35(24):2821-2828.
[10]Cui Youwei,Shi Yunpeng,Gong Xiaoyu.Effects of C/N in the substrate on the simultaneous production of polyhydroxyalkanoates and extracellular polymeric substances by Haloferax mediterranei via kinetic model analysis[J].Rsc Advances,2017,7(31):18953-18961.
[11]Nevot M,DeronceléV,Montes M J,et al.Effect of incubation temperature on growth parameters of Pseudoalteromonas antarctica NF3 and its production of extracellular polymeric substances[J].Journal of Applied Microbiology,2008,105(1):255.
[12]周律,邢秀娟,彭标,等.低水温下悬浮和附着活性污泥胞外多聚物特性[J].清华大学学报(自然科学版),2016(9):1009-1015.
[13]胡学伟,李姝,荣烨,等.Cu2+对生物膜及其胞外聚合物的影响[J].化工学报,2014,65(3):1062-1067.
[14]简静仪,宋卫锋,李海宇,等.锌铜胁迫对Bacillus vallismortis EPS组分变化特征及其吸附性能的影响[J].环境科学学报,2017,37(6):2099-2106.
[15]Guibaud G,Comte S,Bordas F,et al.Comparison of the complexation potential of extracellular polymeric substances(EPS),extracted from activated sludges and produced by pure bacteria strains,for cadmium,lead and nickel[J].Chemosphere,2005,59(5):629-638.
[16]张燕,胡学伟,江孟,等.Ca2+对生物膜形态结构及其组分的影响[J].环境工程学报,2015,9(4):1547-1552.
[17]Nouha K,Kumar R S,Tyagi R D.Heavy metals removal from wastewater using extracellular polymeric substances produced by Cloacibacterium normanense in wastewater sludge supplemented with crude glycerol and study of extracellular polymeric substances extraction by different methods[J].Bioresour.Technol.,2016,212:120-129.
[18]严杰能,许燕滨,段晓军,等.胞外聚合物的提取与特性分析研究进展[J].科技导报,2009,27(20):106-110.
[19]唐颖,李珊,陈猷鹏,等.单级自养脱氮系统中生物膜EPS提取方法[J].中国科技论文,2013,8(3):236-238.
[20]Salama Y,Chennaoui M,Sylla A,et al.Characterization,structure,and function of extracellular polymeric substances(EPS)of microbial biofilm in biological wastewater treatment systems:A review[J].Desalination&Water Treatment,2015,57(35):1-18.
[21]Pellicer-Nàcher C,Domingo-Félez C,Mutlu A G,et al.Critical assessment of extracellular polymeric substances extraction methods from mixed culture biomass[J].Water Research,2013,47(15):5564-5574.
[22]Harish R,Samuel J,Mishra R,et al.Bio-reduction of Cr(Ⅵ)by exopolysaccharides(EPS)from indigenous bacterial species of Sukinda chromite mine,India[J].Biodegradation,2012,23(4):487-496.
[23]Wang Lili,Ma Fang,Feng Shanshan,et al.Biosorption characteristics of extracellular polymeric substance(EPS)produced by Rhizobium radiobacter for removal of Cu(Ⅱ)and Mn(Ⅱ)ions form aqueous solutions[C]∥International Conference on Bioinformatics&Biomedical Engineering.IEEE,2010.
[24]Tapia J M,Munoz J,González F,et al.Sorption of ferrous and ferric iron by extracellular polymeric substances(EPS)from acidophilic bacteria[J].Preparative Biochemistry,2013,43(8):815-827.
[25]Dobrowolski R,Szczes A,Czemierska M,et al.Studies of cadmium(Ⅱ),lead(Ⅱ),nickel(Ⅱ),cobalt(Ⅱ)and chromium(Ⅵ)sorption on extracellular polymeric substances produced by Rhodococcus opacus and Rhodococcus rhodochrous[J].Bioresour.Technol.,2017,225:113-120.
[26]董明.苯胺黑药高效降解菌(Bacillus vallismortis)胞外聚合物对Cu2+、Zn2+的去除研究[D].广东:广东工业大学,2016.
[27]Wei Wei,Wang Qilin,Li Ang,et al.Biosorption of Pb(Ⅱ)from aqueous solution by extracellular polymeric substances extracted from Klebsiella sp.J1:Adsorption behavior and mechanism assessment[J].Scientific Reports,2016,6:31575.
[28]Li Hongmei,Wei Ming,Min Weihong,et al.Removal of heavy metal Ions in aqueous solution by Exopolysaccharides from Athelia rolfsii[J].Biocatalysis&Agricultural Biotechnology,2016,6:28-32.
[29]Yin Yurong,Hu Yongyou,Xiong Fen.Sorption of Cu(Ⅱ)and Cd(Ⅱ)by extracellular polymeric substances(EPS)from Aspergillus fumigatus[J].International Biodeterioration&Biodegradation,2011,65(7):1012-1018.
[30]Zhang D,Lee D J,Pan X.Desorption of Hg(Ⅱ)and Sb(V)on extracellular polymeric substances:Effects of pH,EDTA,Ca(Ⅱ)and temperature shocks[J].Bioresource Technology,2013,128(1):711-715.
[31]Ye Shuhong,Zhang Meiping,Yang Hong,et al.Biosorption of Cu2+,Pb2+and Cr6+by a novel exopolysaccharide from Arthrobacter ps-5[J].Carbohydrate Polymers,2014,101(1):50.
[32]徐娟.微生物胞外聚合物与废水中有毒污染物相互作用及对生物反应器性能影响[D].合肥:中国科学技术大学,2013.
[33]Guibaud G,Tixier N,Bouju A,et al.Relation between extracellular polymers’composition and its ability to complex Cd,Cu and Pb[J].Chemosphere,2003,52(10):1701-1710.
[34]Comte S,Guibaud G,Baudu M.Biosorption properties of extracellular polymeric substances(EPS)towards Cd,Cu and Pb for different pH values[J].Journal of Hazardous Materials,2008,151(1):185-193.
[35]Chen Jun,Yin Cuiqin,Jin Jie,et al.Characteristics of different molecular weight EPS fractions from mixed culture dominated by AnAOB and their role in binding metal ions[J].Environmental Science&Pollution Research,2017:1-10.
[36]Ozdemir G,Ceyhan N,Manav E.Utilization in alginate beads for Cu(Ⅱ)and Ni(Ⅱ)adsorption of an exopolysaccharide produced by Chryseomonas luteola TEM 05[J].World Journal of Microbiology&Biotechnology,2005,21(2):163-167.
[37]孟凡平.深海微生物Wangia profunda SM-A87胞外多糖固定化吸附及其条件优化[D].济南:山东大学,2011.
[38]Mikutta R,Baumgartner A,Schippers A,et al.Extracellular polymeric substances from Bacillus subtilis associated with minerals modify the extent and rate of heavy metal sorption[J].Environmental Science&Technology,2012,46(7):3866-3873.
[39]Wang Jin,Li Qing,Li Mingming,et al.Competitive adsorption of heavy metal by extracellular polymeric substances(EPS)extracted from sulfate reducing bacteria[J].Bioresource Technology,2014,163(7):374-376.
[40]Yang Jixian,Wei Wei,Pi Shanshan,et al.Competitive adsorption of heavy metals by extracellular polymeric substances extracted from Klebsiella sp.J1[J].Bioresource Technology,2015,196:533-539.
[41]Kang F X,Hamilton P B,Jian L,et al.Influence of calcium precipitation on copper sorption induced by loosely bound extracellular polymeric substance(LB-EPS)from activated sludge[J].Fundamental&Applied Limnology,2010,176(2):173-181.
[42]李章安,曾艳,张明青,等.曝气池活性污泥胞外聚合物对Pb2+、Zn2+、Cu2+的吸附研究[J].安徽农业科学,2011,39(33):20455-20457.
[43]张江水,刘文,孙卫玲,等.胞外聚合物对Pb2+和Cd2+吸附行为研究[J].北京大学学报(自然科学版),2013,49(3):514-522.
[44]银玉容.烟曲霉胞外聚合物与水中重金属Cu2+、Cd2+和Pb2+的相互作用及机理[D].广州:华南理工大学,2012.
[45]Kumari S,Mahapatra S,Das S.Ca-alginate as a support matrix for Pb(Ⅱ)biosorption with immobilized biofilm associated extracellular polymeric substances of Pseudomonas aeruginosa N6P6[J].Chemical Engineering Journal,2017,328:556-566.
[2]Jahn A,Nielsen P H.Cell biomass and exopolymer composition in sewer biofilms[J].Water Science&Technology,1998,37(1):17-24.
[3]Nielsen P H,Jahn A.Extraction of EPS[J].Microbial Extracellular Polymeric Substances,1999:49-72.
[4]Laspidou C S,Rittmann B E.A unified theory for extracellular polymeric substances,soluble microbial products,and active and inert biomass[J].Water Research,2002,36(11):2711-2720.
[5]Chang W S,Mortel M V D,Nielsen L,et al.Alginate production by Pseudomonas putida creates a hydrated microenvironment and contributes to biofilm architecture and stress tolerance under water-limiting conditions[J].Journal of Bacteriology,2007,189(22):8290-8299.
[6]Zhang X,Bishop P L.Biodegradability of biofilm extracellular polymeric substances[J].Chemosphere,2003,50(1):63-69.
[7]Liu Yongqiang,Liu Yu,Tay J H.The effects of extracellular polymeric substances on the formation and stability of biogranules[J].Applied Microbiology&Biotechnology,2004,65(2):143-148.
[8]Ye Fenxia,Ye Yangfang,Li Ying.Effect of C/N ratio on extracellular polymeric substances(EPS)and physicochemical properties of activated sludge flocs[J].Journal of Hazardous Materials,2011,188(1/2/3):37-43.
[9]Wang Zhichao,Gao Mengchun,Xin Yanjun,et al.Effect of C/N ratio on extracellular polymeric substances of activated sludge from an anoxic-aerobic sequencing batch reactor treating saline wastewater[J].Environmental Technology,2014,35(24):2821-2828.
[10]Cui Youwei,Shi Yunpeng,Gong Xiaoyu.Effects of C/N in the substrate on the simultaneous production of polyhydroxyalkanoates and extracellular polymeric substances by Haloferax mediterranei via kinetic model analysis[J].Rsc Advances,2017,7(31):18953-18961.
[11]Nevot M,DeronceléV,Montes M J,et al.Effect of incubation temperature on growth parameters of Pseudoalteromonas antarctica NF3 and its production of extracellular polymeric substances[J].Journal of Applied Microbiology,2008,105(1):255.
[12]周律,邢秀娟,彭标,等.低水温下悬浮和附着活性污泥胞外多聚物特性[J].清华大学学报(自然科学版),2016(9):1009-1015.
[13]胡学伟,李姝,荣烨,等.Cu2+对生物膜及其胞外聚合物的影响[J].化工学报,2014,65(3):1062-1067.
[14]简静仪,宋卫锋,李海宇,等.锌铜胁迫对Bacillus vallismortis EPS组分变化特征及其吸附性能的影响[J].环境科学学报,2017,37(6):2099-2106.
[15]Guibaud G,Comte S,Bordas F,et al.Comparison of the complexation potential of extracellular polymeric substances(EPS),extracted from activated sludges and produced by pure bacteria strains,for cadmium,lead and nickel[J].Chemosphere,2005,59(5):629-638.
[16]张燕,胡学伟,江孟,等.Ca2+对生物膜形态结构及其组分的影响[J].环境工程学报,2015,9(4):1547-1552.
[17]Nouha K,Kumar R S,Tyagi R D.Heavy metals removal from wastewater using extracellular polymeric substances produced by Cloacibacterium normanense in wastewater sludge supplemented with crude glycerol and study of extracellular polymeric substances extraction by different methods[J].Bioresour.Technol.,2016,212:120-129.
[18]严杰能,许燕滨,段晓军,等.胞外聚合物的提取与特性分析研究进展[J].科技导报,2009,27(20):106-110.
[19]唐颖,李珊,陈猷鹏,等.单级自养脱氮系统中生物膜EPS提取方法[J].中国科技论文,2013,8(3):236-238.
[20]Salama Y,Chennaoui M,Sylla A,et al.Characterization,structure,and function of extracellular polymeric substances(EPS)of microbial biofilm in biological wastewater treatment systems:A review[J].Desalination&Water Treatment,2015,57(35):1-18.
[21]Pellicer-Nàcher C,Domingo-Félez C,Mutlu A G,et al.Critical assessment of extracellular polymeric substances extraction methods from mixed culture biomass[J].Water Research,2013,47(15):5564-5574.
[22]Harish R,Samuel J,Mishra R,et al.Bio-reduction of Cr(Ⅵ)by exopolysaccharides(EPS)from indigenous bacterial species of Sukinda chromite mine,India[J].Biodegradation,2012,23(4):487-496.
[23]Wang Lili,Ma Fang,Feng Shanshan,et al.Biosorption characteristics of extracellular polymeric substance(EPS)produced by Rhizobium radiobacter for removal of Cu(Ⅱ)and Mn(Ⅱ)ions form aqueous solutions[C]∥International Conference on Bioinformatics&Biomedical Engineering.IEEE,2010.
[24]Tapia J M,Munoz J,González F,et al.Sorption of ferrous and ferric iron by extracellular polymeric substances(EPS)from acidophilic bacteria[J].Preparative Biochemistry,2013,43(8):815-827.
[25]Dobrowolski R,Szczes A,Czemierska M,et al.Studies of cadmium(Ⅱ),lead(Ⅱ),nickel(Ⅱ),cobalt(Ⅱ)and chromium(Ⅵ)sorption on extracellular polymeric substances produced by Rhodococcus opacus and Rhodococcus rhodochrous[J].Bioresour.Technol.,2017,225:113-120.
[26]董明.苯胺黑药高效降解菌(Bacillus vallismortis)胞外聚合物对Cu2+、Zn2+的去除研究[D].广东:广东工业大学,2016.
[27]Wei Wei,Wang Qilin,Li Ang,et al.Biosorption of Pb(Ⅱ)from aqueous solution by extracellular polymeric substances extracted from Klebsiella sp.J1:Adsorption behavior and mechanism assessment[J].Scientific Reports,2016,6:31575.
[28]Li Hongmei,Wei Ming,Min Weihong,et al.Removal of heavy metal Ions in aqueous solution by Exopolysaccharides from Athelia rolfsii[J].Biocatalysis&Agricultural Biotechnology,2016,6:28-32.
[29]Yin Yurong,Hu Yongyou,Xiong Fen.Sorption of Cu(Ⅱ)and Cd(Ⅱ)by extracellular polymeric substances(EPS)from Aspergillus fumigatus[J].International Biodeterioration&Biodegradation,2011,65(7):1012-1018.
[30]Zhang D,Lee D J,Pan X.Desorption of Hg(Ⅱ)and Sb(V)on extracellular polymeric substances:Effects of pH,EDTA,Ca(Ⅱ)and temperature shocks[J].Bioresource Technology,2013,128(1):711-715.
[31]Ye Shuhong,Zhang Meiping,Yang Hong,et al.Biosorption of Cu2+,Pb2+and Cr6+by a novel exopolysaccharide from Arthrobacter ps-5[J].Carbohydrate Polymers,2014,101(1):50.
[32]徐娟.微生物胞外聚合物与废水中有毒污染物相互作用及对生物反应器性能影响[D].合肥:中国科学技术大学,2013.
[33]Guibaud G,Tixier N,Bouju A,et al.Relation between extracellular polymers’composition and its ability to complex Cd,Cu and Pb[J].Chemosphere,2003,52(10):1701-1710.
[34]Comte S,Guibaud G,Baudu M.Biosorption properties of extracellular polymeric substances(EPS)towards Cd,Cu and Pb for different pH values[J].Journal of Hazardous Materials,2008,151(1):185-193.
[35]Chen Jun,Yin Cuiqin,Jin Jie,et al.Characteristics of different molecular weight EPS fractions from mixed culture dominated by AnAOB and their role in binding metal ions[J].Environmental Science&Pollution Research,2017:1-10.
[36]Ozdemir G,Ceyhan N,Manav E.Utilization in alginate beads for Cu(Ⅱ)and Ni(Ⅱ)adsorption of an exopolysaccharide produced by Chryseomonas luteola TEM 05[J].World Journal of Microbiology&Biotechnology,2005,21(2):163-167.
[37]孟凡平.深海微生物Wangia profunda SM-A87胞外多糖固定化吸附及其条件优化[D].济南:山东大学,2011.
[38]Mikutta R,Baumgartner A,Schippers A,et al.Extracellular polymeric substances from Bacillus subtilis associated with minerals modify the extent and rate of heavy metal sorption[J].Environmental Science&Technology,2012,46(7):3866-3873.
[39]Wang Jin,Li Qing,Li Mingming,et al.Competitive adsorption of heavy metal by extracellular polymeric substances(EPS)extracted from sulfate reducing bacteria[J].Bioresource Technology,2014,163(7):374-376.
[40]Yang Jixian,Wei Wei,Pi Shanshan,et al.Competitive adsorption of heavy metals by extracellular polymeric substances extracted from Klebsiella sp.J1[J].Bioresource Technology,2015,196:533-539.
[41]Kang F X,Hamilton P B,Jian L,et al.Influence of calcium precipitation on copper sorption induced by loosely bound extracellular polymeric substance(LB-EPS)from activated sludge[J].Fundamental&Applied Limnology,2010,176(2):173-181.
[42]李章安,曾艳,张明青,等.曝气池活性污泥胞外聚合物对Pb2+、Zn2+、Cu2+的吸附研究[J].安徽农业科学,2011,39(33):20455-20457.
[43]张江水,刘文,孙卫玲,等.胞外聚合物对Pb2+和Cd2+吸附行为研究[J].北京大学学报(自然科学版),2013,49(3):514-522.
[44]银玉容.烟曲霉胞外聚合物与水中重金属Cu2+、Cd2+和Pb2+的相互作用及机理[D].广州:华南理工大学,2012.
[45]Kumari S,Mahapatra S,Das S.Ca-alginate as a support matrix for Pb(Ⅱ)biosorption with immobilized biofilm associated extracellular polymeric substances of Pseudomonas aeruginosa N6P6[J].Chemical Engineering Journal,2017,328:556-566.