次氯酸钠法深度处理焦化废水蔡国光

   820142  pH(COD)0.3mg/L (COD)NOS(H2O2O3)Cl2Cl2()Ca(ClO)2NaClOClOOHCNClHClOCN(1)OHClCNO2OHCNCl2(2)2CNHClOOHCNOClHO(3)2222CNO2OHClO2CONClHO           (4)Cl2NaClO(25~30min)NaClO1.1pHCODNH3-N    20142911mg/LpHSCODNH5N16.840.10.380.22301126.810.10.390.22181.88.8136.730.10.380.2207216.747.270.10.420.21581.83.8357.180.10.440.21022.4867.050.10.380.21121.62.0676.980.10.360.2730.4886.980.10.350.2691.81.997.110.10.400.2840.99107.410.10.430.2851.99117.170.10.410.210521.42127.150.10.370.21502.22.27SCODNH3-N0.3mg/L1.222pHpH(GB/T225922008)NH3-N-(HJ5372009)COD(GB1191489)AgNO3-(HJ4842009)1.333mg/LCODNH3-NpH151.641.321.336.98243.060.430.797.07CODNH3-N0.3mg/L2.1pHpHNaClO15mg/L30minCOD1pHCOD1pH=9.0COD18.4%10.7%0.377pHCODpH=12.0COD7.4%14.0%0.363mg/LpH7HClOHClO   1020142  CN-HCNpHHClOpH20%1.0mg/LNaClO100mL16mL40%NaClONaClOCN3.2pH9.0NaClO30minCOD22COD220g/LCOD60g/LCOD75.2%90.0%3.360mg/LpH9.0COD33COD3COD15minCOD69.5%83.09%0.225mg/L0.3mg/L30minCOD87.0%83.9%0.212mg/L15min5.8%30min3.444/m310%NaClO450/t600g/m30.270.50/kW·h0.5kW·h/m30.250.5240.52/m3FeSO4FentonFentonFeSO4    2014211pH=9.0NaClO60mg/L30minCOD87.1%82.7%0.225mg/L0.3mg/L ShanghaiPudongManufacturedGasCo.,Ltd.CaiGuoguangTheadvancedtreatmentofeffluentbysodiumhypochloriteoxidizationtechnologyisstudiedduetothereasonthatthecyanidecontentoftheeffluentdoesn’tmeetthestandard.TakingthefactorsoftheremovalrateofCODandcyanideaffectedbypHvalue,activechlorineconcentrationandreactiontimeintoaccount,thepaperintroducestheoptimalexperimentalconditions.Theresultshowsthatbythistechnologythetotalcyanideconcentrationcanmeetthedemand,whichisfeasiblefortheimplementationoftheengineering.cokingwastewater,advancedtreatment,sodiumhypochlorite  (7)(4)LNGLNGLNGLNGLNGStudyofLNGColdEnergyUtilizationinShanghaiLNGTerminalShanghaiLNGCo.,Ltd.YanYiminWiththerapiddevelopmentofLNGimportinChina,thecoldenergyutilizationofLNGisattractingmoreandmoreattention.ItisnecessarytorationaluseofLNGcoldenergyconsideringofeithertheeconomicalprofitsorenvironmentalprotection.ThepaperintroducesthedevelopmentsituationandcharacteristicsofLNGcoldenergyutilizationovertheworld,highlightingthestudysituationofthecoldenergyutilizationinShanghaiLNGterminalandputsforwardsomeproposalsoftheLNGcoldenergyutilizationinShanghaiLNGterminal.LNGterminal,coldpowergeneration,Study