水资源与水环境,第五章天然水污染(1)

“”““””“”“”“”“”“”““””“”“”——“’’“”——“’’“”“”“”“”“”“”“”“”“”“”“”“”“”“”“”————12341234PollutionComesfromleachatesatLandfillRaRa228226,3NO−24SO/NH4NNO3NNO3N+2+Na+4NH+2+NaPCCC/10⎟⎟⎠⎞⎜⎜⎝⎛−+3Fe+3Al++2Ba+2Sr+2Ca+2Mg+Cs+Rb+4NH+K+Na+LiE.H+Al3+;Ca2+Mg2+K+Na+NH4+E.H+Al3+;Ca2+Mg2+K+Na+NH4+±±100/)100/−42POH−3HCO−32BOH−SCN−24SO−Ce−3NOSkCkts21−=∂∂SkCktsm21−=∂∂SkCSSkts201)(−−=∂∂1k2k0Sts∂∂(C)(0SS)(S))1(221tkeCkkS−−=)1(221tkmeCkkS−−=]1[/1..).(212121tkckmekkCSkkS+−−+=CSKSSCmm11/+=(13)mKS1In-situRemediationofContaminatedAquiferbyChem-oxidationIn-situremediationofcontaminatedGWusingReactiveBarrier2NPKCaMgSFeBCuZnMoNiCdMn2NPKCaMgSFeBCuZnMoNiCdMn()(DNAPLs)CleanupofNAPLsandDNAPLsfromContaminatedAquiferPhytoremediation