环保水处理从业者必看的水处理基础知识

()()();()()();()();;;()();();()GB5084-1992CECS61-94(watertreatment)(ActivatedSludgeProcess)(FixedBiofilmProcesses)(CombinedBiologicalProcesses);(GranularMediaFiltration)(ActivatedCarbonAdsorption)(ChemicalPrecipitation)/(MembraneProcesses);(StabilizationPonds)(AeratedorFacultativeLagoons)(ConstructedWetlands).1.50mPa2001000NaCl90%=oo(DONNAN)0.52meq/gROUFNaCL90%;1(nm)1001000(watertreatment)(ActivatedSludgeProcess)(FixedBiofilmProcesses)(CombinedBiologicalProcesses);(GranularMediaFiltration)(ActivatedCarbonAdsorption)(ChemicalPrecipitation)/(MembraneProcesses);(StabilizationPonds)(AeratedorFacultativeLagoons)(ConstructedWetlands).1.50mPa2001000NaCl90%=oo(DONNAN)0.52meq/gROUFNaCL90%;1(nm)1001000CaMg()--------.[.OH][H][O]Fe2+Fe3+;Fe2+Fe3+-pH(Fe/Fe2+)=0.44V2H+2eH2E(H/H2)=0.00VO2+4H+4e2H2OE(O2)=1.23VO2+2H2O+4e4OHE(O2/OH)=0.41VCOD()()()BOD5SS25%50%;(CO2)()();;(1)(5070)(-50)20-30(2)(3)0.3mg/l;0.2-0.3mg/l()2mg/lPH()()()()()()()()()()GB18918-2002GB8978-1996GB8978-1996(TemplateAssistedCrys-tallization)2(filter)()(resinmatrix)(regeneration)10%Ca-EX2+2Na+()2Na-EX+Ca2+Mg-EX2+2Na+()2Na-EX+Mg2+**-(H+);(OH-)M+x+xH-ReM-M-Rex+xH+1A-z+zOH-ReA-Rez+zOH-1M+xxM+xH-ReA-zzA-zOH-H+OH-*(resistivity)(conductivity)(osmosis)(osmoticpressure)(monovalentions)(rejectionrate)90%-98%(divalentions)95%-99%(200)(cellulosic)(aromaticpolyamides)polyimidepolyfuranes(spiralwound)(hollowfiber)(tubular)(pH8.0)polyamide;(polyamide)l0A(dimer)()253.7nm()()--254(185)--1852541(1)1968,(2),,,,,4m10m(3),,,,,(4),,BODCOD,(5),,(6),,2(1)(2)(1)(2)4CO21211.5()1pH()34100%?()20cryptosporidium(REI)()601lbs---(CCL4)()(CN92110710.2)102008(RO)RORO(FO)(FRO)(CN92110710.2);;()