ZerodischargeofindustrialwastewaterinHemeiThermalPowerPlantZhangJing(HenanChemicalIndustryGroupofCoal,Hebi458000,China)(,458000)[],,。,。[];;;[]X703[]B[]1005-829X(2010)05-0084-03Abstract:Double-flowweakacidtreatmentprocesshasbeenusedforimprovingtheconcentrationratioandreduc-ingthedischargecapacityofthecirculatingwaterforthecirculatingwatersupplyatHemeiThermalPowerPlant.Furthermore,usingclassifiedwatercanincreasewatercirculation.UsingdifferenttreatmentmethodsaccordingtothecharactersofindustrialwastewaterhasrealizedthegoalofzerodischargeatHemeiThermalPowerPlant.Keywords:circulatingwater;cycleofconcentration;double-flowweakacidtreatment;zerodischarge。,,,,,。C135-13.2/0.245/535/535、、、、(),DG445/13.7、445t/h,270MW。,1.2177m3,86m3,40%,3.9%,。,,,。,400t。,80%,。1,、、。,,〔1〕:PB=PZ+PF+PP(1)φ=(PZ+PF+Pp)/(PF+PP)(2)PP=(PZ+PF-φPF)/(φ-1)(3):PB———,%;PZ———,%;PF———,%;PP———,%;φ———。(1)~(3)、、。,,、(30520105IndustrialWaterTreatmentVol.30No.5May,201084——2010-05,30(5)PZ、PF)。(3),φ,,。32400m3/h,(PZ)1.4%,(PF)0.1%。、,1。1:、,,,。22.1+,:、、3。1。PAC、PAMCO21:,,5.5。2a,,。2.55.5,2.333%1.711%,0.833%0.211%,300d,1145.44t。。2.2,,,,。2.2.1,,。,。,,,,、,,400t,400t,。2.2.2。:+++++。(50m3/h),,。,。,。2.3、、、、、,,,。2.3.1,、;、,、、。,,,pH、、、,、、、,。。2.3.2,:1.52.53.54.55.56.57.5/%2.700.8330.4600.300.2110.1540.115/(m3·h-1)87427014997685037/%4.202.3331.961.81.7111.6541.615/(m3·h-1)1360756645835545365231、85——2010-05,30(5),,。、,BOD、COD。,/(A/O)。。2.3.3、,,,,,,、、,,。,。2.3.4,、()、。2.3.52,。3,5.5,2.5,145.44t。,,400t,。,、、、,,。[][1].[M].:,2002:32.[](1964—),1987,。:13939283581,E-mail:hbmhzj@163.com。[]2009-11-30()《》86——