高硫酸盐矿井水处理研究姜艳

　　　201129高硫酸盐矿井水处理研究姜　艳(,　100011)　:对天然膨润土通过钠化、铝交联等表面改性,制备出铝交联膨润土,将其用于处理某煤矿硫酸根浓度为380mg/L的矿井水,其出水中硫酸根浓度为210mg/L,符合国家标准,为处理煤矿高硫酸盐矿井水提供了一个新途径。:膨润土;钠化;铝交联;硫酸根STUDYONTHEDISPOSALOFHIGHERSULFATEMINERALWATERJiangYan(ZhonghuanMetallurgicalCorporation,Beijing100011,China)Abstract:Inartificialbentonitewasmodifiedwithnatriumandaluminum.Theabsorptionratioandcapacityofthebentonitewereimproved.Highersulfatemineralwaterofacoalminewasdisposedbyaluminummodifiedbentonite.Thecontentofsulphatewasdecreasedfrom380mg/Lto210mg/L.Theexperimentresultindica-teditwasanewmethodtotreathighersulfatemineralwaterbyaluminummodifiedbentonite.Keywords:bentonite;sodiumbentonite;aluminummodifiedbentonite;sulfate0　,。,,,。,380mg/L。[1]、[2-3][4-5]。:,。,。,,,,、[6]。,,,。1　1.1　试验材料DT-100;DL109;();();();();()。1.2　铝交联膨润土的制备1)[7],。2):0.2mol/LAlCl3300mL1000mL,m=[OH-]/[Al3+]=2.40.4mol/LNaOH360mL;AlCl360℃,,NaOHAlCl3,20mL/min;,2h,70℃2d。3):“”4.5g/L,600mL1000mL,n(Al)/m()=10mmol/g300mL;80℃,,,15mL/min;,2h,60℃2d;,,,Cl-;,80℃;350℃3h,。1.3　铝交联膨润土处理高硫酸盐矿井水1.3.1　pH111DOI:10.13205/j.hjgc.2011.s1.020　　　201129pH3,5,7,9,11,,RcQ,pH。1.3.2　,。1.3.3　,,。2　,1,Al2O31。1　(2500)X1　Al2O3()()Al2O3/%15.735.3　　1:,,、,,,d(001)1.9864nm,。1:Al2O3,Al。,。,pH。pH3,5,7,9,11,RcQ,2。2　pH2:pH,SO42-,pH,。pH,。pH5.00,6.67;pH8.00,7.80;pH5.00、6.00、7.00、8.00,pH。m500,600,700,800,900mg,RcQ,3。3　3:,SO42-,。700mg,250mg/L,35.3%。2,2:,250mg/L,。,:pH=5,800mg,30min,400r/min。pH,pH。3　1)、,。112　　　2011292),:pH,8g/L,30min,400r/min。3)380mg/L,,250mg/L,,。2　pH/m/mg/t/min/v/(r·min-1)pHSO42-ct/(mg·L-1)Q/(mg·g-1)Rc/%156102006.7023124.839.2257203006.8522222.641.6358304006.9021021.344.7466204006.9724123.236.6567302007.0223021.439.5668103007.1322519.440.8776303007.3025216.033.7877104007.1623820.337.4978202007.2823218.538.9Kc1221.0241.3231.3231.0Kc2232.0230.0231.6233.0Kc3237.7222.3230.6230.0Rc16.719.01.03.0SO42-,:pH=5,8mg,30min,400r/min。KQ122.921.321.521.57KQ221.321.421.419.30KQ318.319.719.621.60RQ4.61.71.92.3,:pH=5,7mg,100min,400r/min。Kv141.836.539.139.2Kv239.039.539.038.7Kv236.741.539.339.6Rv5.15.00.30.9,:pH=5,8mg,30min,400r/min。[1],.[J].,2009(2):45-47.[2],,,.[J].,2006,37(4):19-22.[3],,.、[J].,2010(5):72-75.[4],,,.[J].,2007,24(4):5-8.[5].[J].,2000(2):5-8.[6],,,.[J].,2010,26(3):40-44.[7].[J].,1999,12(1):25-28.　　100011　61　(010)64522036-2027E-mail　[e-mail]2010-07-13(99)0.34mL/h0.35mL/h,89.6%85.1%。。,,,。[1],.[J].,2003,4(10):61-63.[2],.[J].,2011,37(1):5-8.[3],.[M].4.:,2002:252-285.[4]HulshoffPolLW.Fundamentalsofanaerobicdigestion5.in:IstInt[M]//CourseonAnaerobicandLowCostTreatmentofWastesandWastewaters.TheNetherlanders:IACandWAU,1994.[5].[M].:,1998.[6].-[D].:,2010.[7]HeYanling,ZhangAnlong,YangShuhui.AnaerobictreatmentofkenafstemswoodAPMPwastewater[J].EnvironTechnol,1995,16:467-476.　　710049　E-mail　[e-mail]2011-06-08113