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:2012-12-15;:2013-03-15:湖南省湘南稀贵金属配合物及其应用重点实验室开放课题重点项目(NO.2012XGJSZD03),湘南学院大学生研究性学习和创新性实验计划项目(湘南学院院发2011-122):许小燕(1990-),女,湖南衡阳人,研究方向:工业三废处理和综合利用;通信作者:肖圣雄(1975-),男,湖南郴州人,副教授.许小燕1,曾玲2,肖圣雄1,谢正祥1,舒健1,郑小芳1(1.,423000;2.,423000):为了解决一步铅炼生产过程中排放的具有色度大,酸度高,含砷等有害物质的污酸废水问题,在原工艺的基础上加以改进,设计了一套新的处理工艺,即硫化沉淀-强化吸附协同处理方法.分别在硫化反应阶段一段生物反应和二段生物反应阶段加入定量的絮凝剂PMA和聚合硫酸铁,发现改进后的工艺大大的减少了硫化钠的用量,提高了除砷的效率,使排放水中的含砷量小于0.5mgL,同时重金属离子和pH值都达到国家排放标准,并降低了生产成本,为强酸废水砷污染的控制和治理提供一条经济可行的新途径.:一步炼铅;污酸;除砷;硫化沉淀-强化吸附;絮凝剂PMA:X703.1:ADOI:10.3969j.jssn.1672-8173.2013.02.029,,,,.,,,,,,,[1].70%,.,,.,.,,,,,[2-10].,.,,.1-(SKS),SKS.:PbS+2PbO=3Pb+SO2SO2.1.1:,..,AsHgPbZnCdFe,,,.AsHgPb12220134342JournalofXiangnanUniversityApr.,2013Vol.34No.2ZnCdFe,,.:,,,pH8-11.,,.:,PAM(),1h,PH.,,.1.2100,H2SO445gL4500kg,.,,,,AsHgPbZnCdFFe,,.,,2000mgL-6500mgL,,.,,,.,,,,.,,,PH.,,,.22.1Optima8x00(ICP-OES),PerkinElmer;;.2.2(),(,60%),(PAM),,,(,60%).2.3,,:!∀∀∀!!!!!!PAM!!.:,.,,,,,,2-3,,[11],PAM,.:pH10.,,[12],.:pH,PAM,.2.4-2.4.12000mL3000mL,3915mgL6.33%.30.5g,500mL,200mL.,2000mL,30min.1gPAM200mL,100mL,.10min,,.123许小燕,曾玲,肖圣雄等:高砷污酸处理技术的改进2.4.21000mL,500mLPAM.1000mL2000mL,0.85g,pHpH=10,30min.PAM10min,.,..12.4.3800mL1000mL.0.5g,pHpH=7-8,30min.PAM10min,.,,2.33.1ICP,:1(单位均为mgL)元素ZnPbCdAsCu硫化后清液3.81.50.710512处理后微微微0.52微2(单位均为mgL)元素ZnPbCdAsCu处理前微微微0.52微处理后微微微微微:#∃ICP,0.1.,0.52mgL,.ICP.:,,.4,,...:[1]曹会兰.砷对人体的危害与防治[J].化学世界,2003,44(10):559-560.[2]钟细斌.硫酸生产中废水治理工艺的改进[J].化工环保,1995,5(15):307-312.[3]易求实.三段石灰-铁盐法处理高砷污酸[J].硫酸工业,2012,1:46-48.[4]庄明龙.硫化沉淀-石灰中和工艺处理矿山酸性废水[J].化工环保,2011,31(1):53-56.[5]管玉江,陈毓琛.石灰-聚铁法处理硫酸厂废水的研究[J].化工环保,1999,6(19):328-334.[6]马明兰,易求实.硫酸生产中污酸处理实践与思考[J].中南论坛,2007,1:126-128.[7]易求实,杜冬云,鲍霞杰,等.高效硫化回收技术处理高砷净化污酸的研究[J].硫酸工业,2009,6:6-10.[8]闵世俊,曾英,韩璐.含砷工业废水处理现状与进展[J].广东微量元素科学,2008,15(8):1-6.[9]聂静.硫酸生产中含砷废水处理方法[J].水处理技术,2005,31(12):5-7.[10]边德军,任庆凯,田曦,等.有色金属冶炼含砷铁酸性废水处理工艺设计方案[J].环境科学与技术,2010,33(5):151-153.[11]欧金次仁,邱江平,李永明,等.絮凝剂对改善MBR混合液过滤性能的研究[J].污水处理,2007,27(5):671-675.[12]林齐平.聚合硫酸铁的开发与应用[J].工业水处理,1994,14(2):9-11,37.124()2013年4月(第34卷)第2期ImprovementoftheTechniquetotheProcessofHigh-arsenicWasteAcideXuXiaoyan1,ZengLin2,XiaoShengxiong1,XieZhengxiang1,ShuJian1,ZhengXiaofang1(1.DepartmentofChemistryandLifeScience,XiangnanUniversity,Chenzhou423000,China;2.JinGui-silverCo.,Ltd,Chenzhou423000,China)Abstract:Inordertosolvetheproblemsofthewasteacidwastewatergeneratedinonesteprefiningofleadashighchroma,highacidityandtoomuchharmfulsubstancesasarsenic,anewtreatmentwasdivisedfromtheoriginalprocess.ItwasnamedtheCo-processingmethodofthesulfidprecipitationandstrengthenedadsorption.FixedamountofflocculantPMAandpolyferricsulfatewereaddedtothevulcanizationreactionstage,periodbioreactorandsecbioreactorstage,respectively.Itwasfoundthattheimprovedprocesscouldreducetheamountofthesodiumsulfidegreatly,increasetheefficiencyofarsenicremoval,achievethepurposeoftheamountofarseniclessthan0.5mgLinthedischargewater.Atthesametime,heavymetalionsandthevaluesofthepHwereinlinewiththenationalemissionstandards.Thecostswerecutdown.Thus,aneconomicalandfeasiblewaywasprovidedforthecontrolandgovernanceofthestrongacidwastewaterandarsenicpollution.Keywords:onesteprefiningoflead;wasteacid;arsenicremoval;sulfidprecipitation-strongthenadsorption;theflocculantPMA(上接第111页):[1]学生体质健康标准研究课题组.%学生体质健康标准(试行方案)&解读[M],北京,人民教育出版社,2002.CollegeStudents∃PhysicalHealthStatusAnalysisandCountermeasureResearchChengManping(DepartmentofPhysicalEducation,HunanFirstNormalUniversity,Changsha410002,China)Abstract:TheMinistryofEducationandtheStateSportGeneralAdministrationissued∋Students∃PhysicalHealthStandard(TrialScheme)andtheImplementationApproaches(inJuly,2002toseriouslyimplementthespiritthat∋schooleducationshouldestablishtheguidingideologyofhealthfirstandphysicaleducationmustbestrengthened(.Accordingtotherequirement,webegantocarryoutthisdocumentintheyearof2004.Afterastatisticalanalysisof6targetsofthepresentphysicalhealthof388freshmen(allaregirlstudents)takensamplefrom10classesofgrade2010,wefoundoutthattheresultswerenottoooptimistic.Sohereinthisarticle,someexistingproblemsandsolutionsaretobepresented.Keywords:collegestudents;constitution;presentsituation;measure125许小燕,曾玲,肖圣雄等:高砷污酸处理技术的改进