高硫废水厌氧消化中硫酸盐抑制解除方法的研究顾蕴璇

AComparasionStudyonUBFAnaerobicReactersWith/WithoutBiologicalCarrierTreatingMonosodiumGlutamateWastewaterYangQi,YangDianhai,ZhouQunying(SchoolofEnvir.Eng.,TongjiUniv.200092)Abstract:ThisisacomparasionstudyontwoUBFanaerobicreactor,onewithsomebiologicalcontactingcarrier,anotherwithoutany,treatingmonosodiumglutamatewastewater.Theresultsshowthattheonecontainingcarrierhashighefficientthananotherat35℃andthesameorganicloadinCODremovalrate,biogasyieldandotherparameters.Keywords:Monosodiumglutamatewastewater,　UBFanaerobicreactor,　BiologicalCarrier　(4)UBF9.45kgCOD/(m3.d)。5　1　BrovkoNandChenKY.OptimizingGasProduction　MethaneContentandBufferCapacityinDigesterOpera-tion.WaterandSewageworks,1977;7:54.2　Willian.J.WPCF,1980;52(7):1953～1965.3　,.-SBR.,1995;7:1顾蕴璇　符征鸽　黄志龙　唐　一(　610041):本文采用物理化学和厌氧消化等手段,对含高硫有机废水厌氧消化中硫酸盐抑制的解除方法进行了研究。采用投加以铁盐为主体的复合脱硫剂HS-1,糖蜜酒精废水厌氧处理小试运行结果为,有机负荷稳定在8.0gCOD/(L.d)以上,容积产气率在3L/(L.d)以上,COD去除率为75%～78%,达到稳定运行的效果。沼气中H2S含量在10mg/m3以下,低于城市用煤气标准(20mg/m3)。:高硫废水　硫酸盐抑制　厌氧消化1　,,,H2S,,。H2S,。,,,。2　2.1　原料:11　ChinaBiogas1996,14(4),1。1　CODcr(mg/L)BOD5(mg/L)SO2-4(mg/L)pH　4.2×104～1.25×1052.0×104～5.0×1044.0×103～6.0×1033.8～4.2　:。2.2　批量实验方法和毒性表示法160ml,100ml,7.5ml,Na2SO4(200mM)30ml,(TS25%)4.00g,COD8080mg/L,SO2-45760mg/L,7、14、20、23、2637。CO2CH4、,CO2/CH4(a)。a1,,a≤1,a,。2.3　连续运行试验2,14L。,。35℃。2.4　分析方法CH4CO2;H2S;COD;BOD5。3　3.1　批量实验3.1.1　(1)1,SO2-45760mg/L,,(20),20,1　,23a,。3.1.2　(1)2。2　(mg/L)1234AFeCl224.749.498.8148.2BFePO424.749.498.8148.2CFe2O349.498.8197.6296.4DFe3O449.498.8197.6296.4(2)32。32,:FeCl224.7mg/L、FePO449.4mg/L、Fe2O349.4mg/L、Fe3O498.8mg/L。,FeCl2FePO4Fe2O3Fe3O4。3,20,。3.1.3　4,4,3.7g/L,。Ca2+12　ChinaBiogas1996,14(4)3　(a)*1(7)2(20)3(23)4(26)5(37)A11.111.090.180.140.04A21.090.670.240.200.02A31.110.850.840.660.22A40.980.390.150.170.16B11.101.181.240.800.19B21.690.900.200.170.06B31.460.760.290.260.10B41.140.530.310.320.16C11.371.060.380.290.06C20.850.57C30.950.500.360.340.37C40.770.560.410.400.60D11.190.700.760.620.42D21.040.480.330.300.22D30.680.54D40.570.690.570.570.63　　*a=CO2%/CH4%CO2%/CH4%2　CO2-3,CaCO3CaSO4,,Ca(OH)2pH。4　SO2-4(g/L)SO2-4(mg/L)pH01.11547614.012.53550475.022.97048575.233.70051425.83.2　连续运行试验3.2.1　3。3　3,20,24,,。20,。3.2.2　(1)pH。pH4.0,Ca(OH)2pH6.5,454。4　pH4,pH6.5,2.0gCOD/(L.d),1.0L/L.d),5.0gCOD/(L.d),,,,4013　ChinaBiogas1996,14(4)6　,,。,pH,,。(2)。COD3000mg/L,5。520,7.0gCOD/(L.d),2L/(L.d),8.5gCOD/(L.d),2L/(L.d),,4.0～5.0gCOD/(L.d),。5　,,,5,7.0gCOD/(L.d)。(3),,,5。,,,,。,,,。5　1;2、;3;,。3.2.3　(1):COD5.6×104～1.2×105mg/L,5.0～10.0gCOD/(L.d),,FeCl2HS-1,56.0～112.0mg/L。:14　ChinaBiogas1996,14(4)(2):6267,,918103143,10.0gCOD/(L.d),3.6～4.4L/(L.d),0.36～0.43L/gCOD。111112222,8.0gCOD/(L.d),3.3～3.6L/(L.d),0.41～0.44L/gCOD。11231224,32,7.0gCOD/(L.d),3.1～3.4L/(L.d),0.44～0.49L/gCOD。1225114,20,5.0gCOD/(L.d),2.3～3.0L/(L.d),0.46～0.60L/gCOD。115127,13,7.5gCOD/(L.d),3.0～3.3L/(L.d),0.40～0.44L/gCOD。128613,137,8.0gCOD/(L.d),4,3.0～4.0L/(L.d),0.38～0.50L/gCOD。8,5.0～10.0gCOD/(L.d),2.0～4.0L/(L.d),、,,(7)。,H2S,10mg/m3(6)。CH463.5%、CO231.9%,COD75%～78%。。4　(1)。COD8.0×103mg/L、SO2-45760mg/L,:FeCl224.7mg/L、FePO449.4mg/L、Fe2O349.4mg/L、Fe3O498.8mg/L。。7　6　H2SH2S(mg/m3)3.263.3×1024.266.5×1035.179.2×1025.233.1×10211.121011.20101.96.3(2),20,20,。(3)pH,,7.0gCOD/(L.d)。。(4)HS-1,,8.0gCOD/(L.d),3L/(L.d),COD75%～78%。(5)HS-1H2S,10mg/m3,(20mg/m3)。15　ChinaBiogas1996,14(4)StudiesonWaysofRemovingSulphatesInhibitioninHighSulphateWastewaterAnaerobicDigestionGuYunxuan,FuZhengge;HuangZhilong,DangYi(BiogasResearchInstituteofMinistryofAgricultureofChina)Abstract:Physicalchemistryandanaerobicdigestiontechnologieswereemployedtostudythewaysofremovingsulphatesinhibitioninhighsulphatewastewateranaerobicdigestion.ByaddingHS-1withironsaltsasitsmaincomposi-tion,theresultsshowedthattheefficiencyofmolassesalcoholwastewatertreatmentishigh.Thestableoperationwasob-tainedunderloadingrateover8.0gCOD/(L.d),thevolumetricgasproductionratewasover3L/(L.d);theCODremovalratewas75%～78%;TheH2Scontentinbiogaswasbelow10mg/m3,lowerthanthecitygasstandard(20mg/m3).Keywords:Highsulphatewastewater,Sulphateinhibition,Anaerobicdigestion.5　1　IsaZiaidal.Appl.Environ.Microbiol.,1986;51:572～579.2　,..,1988。3　HiltonMG.:.,1991;1:31～33。UASB、吴香强　钱贻伯　颜秀琴　樊映明　朱　辉(　　610041)　:采用UASB厌氧消化器对丙酮、丁醇废醪进行了厌氧处理研究,结果表明:经固液分离后的丙酮、丁醇废醪(COD浓度约20.0g/L)进UASB厌氧消化器处理,HRT为2.5天,启动COD负荷为2.5g/(L.d),运行负荷8.9g/(L.d),COD去除率达92%,容积产气率3.2L/(L.d),甲烷含量63%。:UASB,厌氧消化器,丙酮、丁醇废醪1　、,,70。1%～3%,COD15.0～30.0g/L。,,,。UASB,、,。2　2.1　试验装置;160mm,550mm,500mm,10L。2.2　试验水质、。UASB:25℃,pH5.6,BOD57.26g/L,CODcr15.3g/L2250,0.93g/L,TS1.4%。2.3　分析方法16　ChinaBiogas1996,14(4)