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SeriesNo.403January 2010 金 属 矿 山METALMINE 总第403期2010年第1期(1984—),,,,2430049。HDS工艺处理某矿山酸性废水试验研究何孝磊1 程一松1 何 丽2(1.中钢集团马鞍山矿山研究院有限公司;2.巢湖市环境监察支队) ,HDS16.7%,,8min,26.7%,。 HDS工艺 矿山酸性废水 水处理ExperimentalResearchonTreatmentofAcidMineWastewaterwithHDSProcessHeXiaolei1 ChengYisong1 HeLi2(1.SinosteelMaanshanInstituteofMiningResearchCo.,Ltd.;2.ChaohuEnvironmentSupervisingDetachment)Abstract Inlightoftheprocessparameterstestsonacidminewastewatertreatment,HDScanreducethedosageofneutralizingagentashighas16.7%,decreaseflocculantdosageamount,andlowerthesedimentationtimeofseparatingmudandwatertobeonly8min.theconcentrationofneutralizingslagsolidsforoutwarddischargeisupto26.7%withqualifiedwaterdischargestandards.Keywords HDSprocess,Mineacidwastewater,Watertreatment FeS23.54%,、、,,,pH2.48~3.30,、、、、、,[1-2]。300m3,,,。、、,[3-4]。,(HighDensitySludgeProcess,HDS),,,。1 、。HDS,。HDS①;②;③;④4。,,。、、,、,、,、,,[5]。2 、、、、。、、、,HDS。《》。,1,1。·147·1 %pH2.0~3.5As0.002SS2.68~62.7TFe177.1~220.5Cu72.6~127.8Mn79.2~370.0Pb0.12~0.25Zn13.1~264.31 HDS1—;2—;3,5,9—;4—;6—;7—;8—;10—3 3.1 。:①pHB-04pHAMDpH,pH2.0~3.5。②4,20,40,50,60,100,200g/L。100mLAMD,,pHB-04pHpH。4~100g/L,pH-,2。2 pH-(1)◇—4g/L;□—20g/L;△—40g/L;○—50g/L;★—60g/L;■—100g/L2,4g/L20g/L,AMD,。,,,。200g/L,6,3。3 pH-(2)□—1;△—2;■—3;★—4;○—5;◇—63,200g/L,5mLpH7.0,。,,。JJ-4A,。3.2 (1)。PAM(1800)、PAM(1400)、PAM、PAC,,[6]。500mL,500mL,4,,()-(min),4。4 4□—PAM;◆—PAM;★—PAM;△—PAC4,PAM15min50%,PAM、PAM、PAC,。PAM。(2)。0.1%,0.3%,0.5%PAM,·148·总第403期 金 属 矿 山 2010年第1期3PAM,,5。5 3PAM◆—0.1%;◇—0.3%;★—0.5%5,0.1%PAM0.3%、0.5%,,,,,5min,3PAM50%。,0.1%PAM。0.1%PAM。0.5,1,1.5,2mL4,,6。6 ★—0.5mL;◆—1mL;■—1.5mL;×—2mL6,1,1.5,2mL,,8min60%,27.8%。8min。0.5mL3。,1mL。3.3 (1)。,,。(2)。,AMD,,5min[7]。,,5min。(3)。①。1BLD09-23,,,。②。,25℃。3.4 ,,AMD,。JZTy11-4,,120r/min,300r/min,800r/min3,,,250mL,3,,2。2 g/L 120r/min300r/min800r/min1232.8269.2258.82227.2267.2260.83238.8274.8250.0232.9270.4256.5 2,300r/min,,270.4g/L。120r/min,,;800r/min,300r/min。,,、,。,300r/min,,,。3.5 [2],、,。J-Z。·149· 何孝磊等:HDS工艺处理某矿山酸性废水试验研究 2010年第1期,,。(0~1)∶1、(1~4)∶1、(4~8)∶1、(8~10)∶1、10∶15。6h,0.5h1,,,7。7 ◇—0~1∶1;□—1~4∶1;△—4~8∶1;★—8~10∶1;■—10∶17,(8~10)∶1,,250~270g/L,,。(0~8)∶1,,,10∶1,,2h,SS,。,(8~10)∶1。,(8~10)∶1,260.78g/L,23.7%。3.6 、、、,HDS。3.6.1 16.5h,1.188m3,72L。3.6.2 1.2L/min,60mL/min、2.52mL/min,16.5h,0.5h、、pH。3.6.3 3。3 pH 768:003.236.016.007:30,AMDpH=3.23、60L/min8:303.866.236.17①、①9:003.746.256.20500mL/min9:303.806.926.02900mL/min10:003.737.206.0610:303.986.976.651.2L/min11:003.966.926.64②、②11:303.987.017.0112:004.027.167.0212:304.077.317.05,55L/min13:004.016.997.0113:304.016.966.9814:004.036.976.95③、③14:304.107.026.9915:004.127.087.0215:304.157.107.0616:004.127.187.1216:304.107.267.2817:004.287.337.35④、④17:304.517.437.38,50mL/min18:005.207.326.9818:305.427.167.0219:005.477.087.0819:304.717.017.1220:004.936.957.02⑤、⑤20:304.876.967.0021:004.736.956.9821:304.727.006.9422:004.607.026.9822:304.647.036.9523:004.737.126.99⑥、⑥23:304.657.046.9624:004.876.986.983.6.4 (1)。1,3.5,6.5,9.5,12.5,15.5,18.5h,,,,4。4 mg/L pHTFeCuPbZn 2.7371.043.10.0813.11①7.431.610.270.010.132②7.621.420.110.010.053③7.550.480.030.010.014④7.360.160.010.010.015⑤7.060.010.010.010.016⑥7.120.010.010.010.01(174)·150·总第403期 金 属 矿 山 2010年第1期128.[5] MasonB.Theconstitutionofsomeopen-heartslags[J].JournalofIronandSteelInstitute,1994(11):69-80.[6] MurphyJN,MeadowcroftTR,BarrPV.Enhancementofthece-mentitiouspropertiesofsteelmakingslag[J].CanadianMetallurgi-calQuarterly,1997,36(5):315-331.[7] .[J].,2006(6):33-42.[8] .[J].,2003,31(1):46-48.[9] .[J].,1994(6):54-58.[10] ,.[J].,2006,44(l):53-56.[11] .[J].,2001,1(2):1-4.[12] ,,.[J].,2005,8(3):316-320.(收稿日期 2009-11-21)(150)34,pH=2.73,pH7.0。,,pH。6,,250,288.4,293.6,295.6,297.2,296.8g/L,285.3g/L。99%,《GB8978—1996》。(2)。10.8kg。,5h,55mL/min;10h,50mL/min。,pH,10mL,16.7%。(3)。PAM,2.5g。(4)。(8~10)∶1,10%,9.7kg。4 (1),200g/L,0.1%PAM,300r/min,(8~10)∶1。10∶1,,,,,,SS,。(2)16.7%,,8min,26.7%。(3),《GB8978—1996》。(4),2/t,。 [1] .[J].:,2008(3):3-35.[2] ,,,.[J].,2005,14(4).71-75.[3] .-[J].,2007(4):2-44.[4] .[J].,2000(6):43-46.[5] ,,,.[J].,2005,57(4):97-100.[6] ,, .[J].,2007,28(2):53-55.[7] .HDS[J].,2004(2):17-19.(收稿日期 2009-11-21)·信息苑· 20091224,55.59,49%,12282%,,51%,49%。(21世纪经济报道 2009-12-29)·174·总第403期 金 属 矿 山 2010年第1期
本文标题:HDS工艺处理某矿山酸性废水试验研究何孝磊
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