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3610201110ENVIRONMENTALSCIENCEANDMANAGEMENTVol.36No.10Oct.20112011-06-301981-。1674-6139201110-0092-03121.5230002.523000、、。X703AEngineeringResearchonRecyclingSteelPicklingWastewaterafterDeepPurificationJiaoWeili1CaiZhuodi21.ZhujianghaiInstituteofSaltyWaterDesalinationDongguan523000China2.DongguanChemicalSocietyDongguan523000ChinaAbstractWithsteelpicklingwastewaterastheresearchobjectthispaperstudiesatechnologybasedonmicrowavecatalyticnanometerbubbleoxidationinordertodeepthepurificationandreutilizationofthewastewater.Thecharactersaretoseparatewa-teriron&acidfromtheeffluentwatereffectivelyandrealizerespectivereuse.Theemissionofthewholesystemisalmostzero.Keywordssteelpicklingwastewatermicrowavecatalyzenanometerbubbleoxidation111.2~212001500COD4.5/3000ppmHCl1.5/1000ppm4.5/3000ppm。。22.1Ti-RuO2、、O2、O3、Cl2、COD、Fe2+、P。。2.21①pH2~3Fe2+→Fe3+COD90%②NaOHpH5~6FeOH3③80%④FeOH31。33.1pH≈2~3、Fe≤1000ppm、COD≤2000ppmCOD、、COD。H2O2H2O2+O3COD90%H2O2。·29·3610201110·Vol.36No.10Oct.2011Fe2+→Fe3+3~4COD55%。1Ti-RuO2-SnO25μm~30μm。5μm~30μm。Ti-RuO2。150μm0.1cm100nm10.15~10100。21m3~44ppm11ppm。。3·OH。1O2Fe2+→Fe3+COD。CODCOD。O2+O3+Cl2。2FeOH2、。3Fe2+Fe3+pH5~6pH10FeOH2pH7。4。3.22450MHZ915MHZ2450915、。1000~1000020302090·39·3610201110·Vol.36No.10Oct.2011。CODCOD、、。、。+/。、、。Fe2+、FeOH3pH。3.3HCl/H2SO4HCl/H2SO4。41①FentonH2O2Ti-RμO2O2、O3、Cl2②Fe2+FeOH3pH5~6pH9~10FeOH3pH6~71③FeOH3FeCl2。TDSTDS。2。RO2。5180%、COD95%98%3COD。400/COD1.06/、1.47/1200/COD4.28/、4.41/。215.5/COD<803.5/5T/H3/×13/=40/。1J.2006434878-883.2J.20062612.3J.2003343.·49·
本文标题:钢铁酸洗废水深度净化回用工程研究
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