城市垃圾渗滤液中氨氮脱除的试验研究

(430081)(518089),,pH79,CODCr200010000mg/l,BOD58006000mg/l,10005000mg/l,250mg/l,90%,3/m3TheexperimentalstudyonseparatingN3H-NfromleachateofcitywastelandfillLiWu(WuhanSafety&EnvironmentalProtectionResearchInstituteWuhan430081)ChenShiMengLe(ShenzhenXiapingSolidWasteLandfillShenzhen518019)AbstractAstructuredpackingtowerisusedintheexperimentforseparatingNH3-Hfromtheleachateofcitywasteland2fill.TheresultsshowthattheseparatingratioofNH3-Hofthetowerkeepsupto90%,themedicamentcostisunder3yuanperstereleachatewhentheleachatequalitiesarepH79,CODCr210kg/l,BOD50.86kg/l,NH3-H15kg/landSS250mg/latpresentexperimentalconditions.KeywordsstructuredpackingtowerNH3-Hleachateairblowsolidwastelandfill1[1],;,90,1600t,400t,C/N,,,,22.1,(NH4+)(NH3),:NH4+ZNH3+H+pHpH,,;pH,,pH11,NH3,,,[2],,C/N,[3],,2.2:pH79,CODCr242IndustrialSafetyandEnvironmentalProtection2002282February200210kg/l,BOD50.86kg/l,15kg/l,250mg/lC/N24100200l/h2.32.3.111S-0;F-1;S-1;TOWER;FJ;S-2;F-2pH,pH,,,pH,pH,2.3.2,300mm,7m,,4m221;2;3;4;5;6;7;816m3/min,1.6kPa2.4,pHNH3-NCODCr,(,,,1997)33.1pHpHNaOH:1l33.3%NaOH,pHpH11pHNaOH/mlNaOH/gpH206.79.9258.410.33010.011.03511.712.14013.312.5,1lpH12,11g;pH10,8.4g,1lpH12,0.4g:,[4]52,,3.2pHpH,252g/l,150l/h,26403640,pH,913,33pH,,pH:pH11,pH,;pH11,pHpH10.5,90%[5],pH,,,90%,3640,pH10.5;2640,pH11.43.3,252g/l,pH10.511,10005500,44,pH,:3500,,;3500,,,90%,30003.4[6],25pH11150l/h3100,15g/l22:,90%,622/(mgl-1)/(mgl-1)/%4987.4369.192.64457.1345.792.23851327.391.53289.4257.492.22727.3221.691.92146.5182.491.51546.7111.892.81121.393.191.73.5,55,pH,,,55,44.1,,33,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,[7][8][9][10],2g/l,,250(m2/m3),,,,[11],4.2150l/h,,,454,16.820/m3,pH,,54/(t-1)/(gl-1)()/(m-3)()NaOH20008.41016.8205/(t-1)/(gl-1)()/(m-3)()Ca(OH)225010122.53,pH4.3,,,72(1),(),(2),,(3),,,,,[(GB16297-96)(GB3095-96)],,[12],,35kg/h,40m;75kg/h,60m,,,300mm,4m,2m,8.4%,90%,16h,5,,,,,338,555,15kg/l,90%,3,,,,,1,..,2000,(3):65802,..:,19983..,1999,2:574,..,1999,6:43465E.G.Srinathetal.Ammoniadesorptionbydiffusedaeration.J,WPCF,1974,466MatthiasAKasson,PeterNilsson.SeasonalChangesofLeachateProductionandqualityfromTestCells.JournalofEnvironmentalEngineering,1997,(9):8909007..,1999,12(2):67708,.SBR.,2000,6(3):2123,299,..,2000,9(3):10110310,..,2000,8(3):262911..,199812(GB1455493)(:20011008):,,,:,,:,,82