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当前位置:首页 > 行业资料 > 能源与动力工程 > 短程硝化厌氧氨氧化处理焦化废水的研究吕艳丽
:2007-04-11(1979~ ),;114051 。-吕艳丽1 单明军1 王 旭1 杜 杨1,2(1.,2.) -,。,70%~80%,,。 - Studyonshortcutnitrification-anaerobicammoniumoxidationforthetreatmentofcokingwastewaterLüYanli ShanMingjun WangXu(UniversityofScienceandTechnologyLiaoning)DuYang(AnshanEnvironmentalPoliceBureau)Abstract Inthepapershortcutnitrification-anaerobicammoniumoxidationprocesswasusedforthetreatmentofcokingwastewaterandtherunningstateandeffectweredetailedlydiscussed.Theresultsshowedthatdrainagewaterconformedtothenationalstandardwhencokingwastewaterwastreatedbythenewprocess.Thetotalnitrogenremovalefficiencyvariedfrom70%to80%.TheshortcomingsofbiologydenitrogenationtechnologywereovercomedandtheN-pollutionwaseffectivelyavoied.Keywords cokingwastewater shortcutnitrification-anaerobicammoniumoxidation biologydeni-trogenation 。,,,,、、、、、、、α-、、、、〔1,2〕。,。80,,,、COD。90,“”,。,〔3,4〕:(1),,;(2),,,,;(3),,;(4),NH3-NNO-2-N;(5),;(6)、C/N,()。“-”。55Vol.26 No.5Sept.2007 ENERGYFORMETALLURGICALINDUSTRY1 --,NO-2-N,。,,NO-2-N,NH+4+3/2O2NO-2+2H++H2O。,,NO-2,NH+4,NH+4+NO-2N2+H2O。2 2.1 ,1。2.2 ,、、,〔5〕,,,。2.3 《》(),2。表1 废水水质mg/LNH3-NKNCODcrSSpH230~490350~8001600~350050~1305~1570~2407.8~9.1700~12001000~200050~70表2 水质分析方法NH3-NNO-2-NN-(1-)-NO-3-NCODcr4-pHpH(PHS-25)-图1 实验装置示意图1——— 2——— 3——— 4——— 5——— 6——— 7——— 8——— 9———图2 试验工艺流程图2.4 ,1,。,2。2.5 (1)、,。,,,COD,56 ENERGYFORMETALLURGICALINDUSTRY Vol.26 No.5Sept.2007:NH+4+1.5O2+2HCO-3→NO-2+2H2CO3+H2O3。,、、,,,NH+4-N/NO-2-N1.7∶1~2.2∶1,,。,70%。NH+4-N、NO-2-NCOD3。3,40%,70%,,COD70%。,,,。3,,,。(2)图3 NH+4-N转化率、NO-2-N生成率及COD的去除率表3 短程硝化反应器进出水情况mg/LNH+4-NNO-2-NNO-3-NCODcr438.65276.762.14151.120.2244.111630330438.65284.902.14153.590.2235.371630337438.65268.572.14165.040.2238.191630455438.65297.092.14136.190.2252.321630283481.74303.321.38178.770.1731.341710339481.74291.181.38186.950.1760.101710311481.74311.201.38162.850.1749.071710366,。,。,。4。4,,,1:1,。,,,。,。,,,,COD,。-,COD,,COD4。图4 厌氧氨氧化反应器的脱氮率和COD去除率表4 厌氧生物反应器进出水情况表mg/LNH+4-NNO-2-NNO-3-NCODcr276.7694.37151.128.8544.1117.35330235284.90101.30153.597.2335.3710.61337261268.5798.46165.0410.4638.1915.22455318297.09121.65136.1911.5352.3211.14283214303.32122.11178.7720.2931.349.25339258291.1887.64186.959.5160.1018.32311228311.20108.07162.8516.4449.0717.6936628157Vol.26 No.5Sept.2007 ENERGYFORMETALLURGICALINDUSTRY4,,70%,80%。4,,。COD,20%~30%,,,COD。(3)。,。5。图5 二段好氧反应器处理的氨氮去除率和COD去除率 5,,COD,。,,,。,,。COD5。5,,90%,《》(GB8978-1996)。,50%,,,COD。(4) COD,表5 二段好氧生物反应器进出水情况mg/LNH+4-NNO-2-NNO-3-NCODcr94.375.478.850.1344.11140.33235121101.37.247.230.1635.37138.9026113698.460.0010.460.2138.19145.11318142121.6510.3211.530.1152.32173.50214123122.1111.6920.290.1231.34159.7425811787.640.009.510.1360.10157.25228128108.078.5616.440.1049.07161.582811406。6,,COD30%~40%,COD100mg/L,。3 (1),。7。(2),96%~100%,70%~80%,COD93%~97%。《》GB8978-1996。(3),,,,。(4)“-”。pH,,DO0.8~1.0mg/LNO-2-N,。表6 混凝沉淀进出水的COD情况mg/L12113614212311712814074819679728593表7 出水水质mg/LNH+4-NNO-2-NNO-3-NCODcrBOD5pH0~130.1~0.2138~173100200.5106.5~7.5(下转第62页)58 ENERGYFORMETALLURGICALINDUSTRY Vol.26 No.5Sept.2007,,,,。,,,,。,250t/h,、、,,。3 2160mm,,、。,,,,。 编辑(上接第54页);CiTi;Ci+1Ti+1;T。,。,。。4 (1),,。(2),,,,,。(3)、、,,。,,。 编辑(上接第58页)1 ,..:.2003.7:1412 ..,2005,7(4):51~533 ,..,2000,12(6):11~194 ..,2000,16(2):25~285 ..,2006,38(2):312~314 编辑节能减排,科学发展。62 ENERGYFORMETALLURGICALINDUSTRY Vol.26 No.5Sept.2007
本文标题:短程硝化厌氧氨氧化处理焦化废水的研究吕艳丽
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