地表水体底泥中氮磷及重金属的释放规律研究

,(,223300),,pH,,;;;X523A0517-6611(2009)17-08151-02StudyontheReleaseLawsofNitrogen,PhosphorusandHeavyMetalsfromSedimentsofSurfaceWaterBodyYANGWen2lanetal(DepartmentofChemistry,HuaiyinTeachersCollege,Huaian,Jiangsu223300)AbstractThepollutioncharacteristicsofsedimentsofsurfacewaterbodywereanalyzed.Itwaspointedoutthattherewerecomplicatedmigrationlawsbetweensedimentsandwaterbody.Theinfluencingfactorsofthereleaseofnitrogen,phosphorusandheavymetalsfromsedimentsinthewaterbodywereclassifiedandintroduced.Theinfluencesoftemperature,pH,dissolvedoxygen,formofsedimentsandhydrodynamicdisturbanceweremainlyanalyzed.Itwasthoughtthatthemajorinfluencingfactorsvariedindifferentsurroundings.Andtheessentialityofdevelopingthestudyonthecomprehensivecontroltechnologyofsedimentswaspointedout.KeywordsSediments;Nitrogenandphosphorus;Heavymetals;Releaselaws(1981-),,,,,Email:[e-mail]2009203217,,,,,,,,,,[1],,-,,1,(),,,(1),,[2],Fe3+Fe2+,,,[3](2)pH[4],pHU,pH,,pH,,pH,OH-,,pH,,(3)[5],,,,,,,,,,,Fe3+,(4),,,[2-4](5):(DP)(Al2P)(Fe2P)(Ca2P)(O2P)(OP)[6]SMTHCI2P(Ca)NaOH2P(FeAlMn)[7]:NaOH2P,HCI2P[7],[2-4],[4]2,pH(1)O2,-,;,,[8]:,JournalofAnhuiAgri.Sci.2009,37(17):8151-8152,[9](2),,-,[10],,,,,,(3)pHpH,(pH5.5)(pH11.5)pH(pH8.5)[10](4)(),,,,,[11](5),-,,,[12](6)[13]:0,,,0.5%1.0%,,3,,,[14](1),,,ElovichFreundlich[14](2)pH:pH,:pH4,pH[14],pH,[15]:NathalieCaille,:AlFeHgPbZn,14AlFeHgPb,AlFeHgPb[16]4,,,,,,,,[1],,.[J].,2001,20(2):66-70.[2],.-[J].,2004,35(4):512-515.[3],.[J].,2004,23(2):98-101.[4],.[J].,2004,20(6):20-23.[5],,.[J].,2003,22(4):258-260.[6].[J].:,2005,21(3):39-42.[7],,.pH[J].,2004,24(6):707-711.[8],,.[J].,2005,27(1):21-24,52.[9],,,.[J].,2004,12(3):520-524.[10],,,.[J].,2005,24(5):500-503.[11]LERATY,LASSERREP,LECORREP.Deasonalchangesinporewatercon2centrationsofnutrientsandtheirdiffusivefluxesatthesediment2waterinterface[J].MarBiolEcol,1990,135:135-160.[12]BOYNTONWR,KEMPWM.Nutrientregenerationandoxygenconsumptionbysedimentsalonganestuarinesalinitygradient[J].MarineEcologyProgressSeries,1986,23:45-55.[13],,,.NH4+[J].,2002,15(5):29-32.[14],,,.[J].,2003,12(2):127-130.[15],,,.[J].,2003,17(1):59-61.[16]NATHALIEC,CHRISTOPHET,CORINNEL,etal.Solubilityofmetalsinananoxicsedimentduringprolongedaeration[J].ThescienceoftheTotalEnvi2ronment,2003,301:239-250.25182009