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1、硫酸法钛白粉生产工艺中的废酸和废水治理实例(Examplesofwasteacidandwastewatertreatmentintheproductionprocessoftitaniumdioxidebysulfuricacidprocess)Thisarticleiscontributedbyhuangbin881210PdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothe
2、localview.VIPinformation://cqvipNinth,secondvolumeperiod20years,607monthsJournalofCareerTechnicalCollegeJunloniVoainladTcnclClgorafMixctanehiaoleoeVo..1No29Jn07ue20The1bowlofacidpowder.TheprocessofGuBaowasteacidandwastewatertreatmentandcasesofII},jI;LiHonglian,LaiJirong?,(.1Depa
3、rtmentofchemicalengineering,CareerTechnicalCollege,Fujian,Longyan342;CountyEnvironmentalProtectionBureau,Yongding3106012Yongfu460)Abstract:anengineeringexampleofwasteacidandacidwastewatertreatmentintheproductionoftitaniumdioxidebysulfuricacidprocesswasintroducedTheresultshowstha
4、ttheeffluentcanbedischargedaccordingtothestandard.Keywords:whitepowder;acidtreatment;watertreatment;titaniumwasteCLCnumber:8X71Documentidentifier:AArticlenumber:6342(07005017-8320)2093TramefwatcdaiisewaeetntoseaindacdcwattrFoO2outoyH204rcsrmTidcinbSoesprpLnin.AIirn2IHoglLogaJ(.H
5、mclniergDp.nioaoaadTcncloleoga,uin30Cia1eiaEgnenetMixVctnnehilg,LnynFj,62,hnCi,ilaCea412BrafninnaPoetnoogigYndn,uin310Cia.ueuovometrtcofndn,ogigFj,60,HNErliYa4)AbtatTeppritouenegnenxmpeorametoseaincdcsrc:haenrdcsaniergealftetnfwatcdadaiiiWswtrrmTOrdciyHS4rcs.Temnteadctstaitcnqei
6、ataoi2outnb2OoeshoirddtiiaethsehiueefpoPoanhtsRLBEDEDTEW茂TRDSHREPTHTC我NDLNTREINH一EICGO苏OTESADR。柯禾D:我我九DWATCDTAMET洼twaeETNYRSTUDOIE;SE我RTN;SETRT我TNER钛白粉是一种白色颜料。作为一种重要的无机1工程概况化工产品,由于其化学性能稳定,具有高折射率和理想的粒度分布,获得广泛应用。目前世界钛白粉而的消费近6%用于涂料。6O1%用于塑料,41%用于造纸【。白粉生产工艺有硫酸盐工艺和氯化物工艺”钛两种,硫酸盐法的技术比氯
7、化物法简单,以用于品可位低和比较便宜的矿物。硫酸法钛白粉生产工艺中存在的最大的问题在于生产过程中,产生大量的酸性废水和稀废酸。这些废水和废酸中主要含有游离某钛白于200512年月建成投产,年产钛白粉1T采用硫酸法生产工艺。硫酸法钛白万。粉生产工艺中的酸解、原工序是间歇操作,其废还故水也是间歇排放。其排放量波动较大酸性废水来源。于酸解尾气的洗涤水、结晶罐冲洗水、压滤机冲洗水、发器冲洗水,蒸以及水洗、白的洗涤水,烧尾漂煅气的洗涤水、我涤水,备和地面冲洗水【现有到洗设21。生产线产生的酸性废水平均20MD平均8。00V(3mV3h,废酸量为20V。该工程日处
8、理混合废水量)5mD25MV,20D废水经处理后应达到地方标准《污染物水H铁、浮物、机物等污染