工业化聚硫酸铝的研究李凯

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 1,2, 2(1.,433102;2.)   :(PAS)(PAC)。PAC,PAS,PAS、。,PAS1a,,。,PAS。  :;;;  :TQ133.1  :A  :1006-4990(2009)11-0008-03StudyprogressofindustrializedpolymericaluminumsulfateLiKai1,LiRunsheng2,ZengMing2(1.WuhanZhongrunFineChemicalsCo.,Ltd.,Wuhan433102,China;2.ShenzhenZhongrunWaterIndustryTechnologyDevelopmentCo.,Ltd.)  Abstract:Polymericaluminumsulfate(PAS)isaninorganicmacromolecularcoagulantwhichhasbeenreseachedanddevelopedwithpolymericaluminumcholoride(PAC)synchronously.PAChasbecometheworld′sleadingwatertreatmentcoagulants,while,PAShasnotbeenabletosuccessfullyputintoindustrialproductionandapplication.MainreasonliesinPAS′schemicalstability,production,andusecost.AsShenzhenZhongrunWaterIndustryTechnologyDevelopmentCo.,Ltd.changedtheprocessflowanddevelopedanewadditiveforPAS,thestabilityperiodofliquidPAShasexceededoneyear,andtheproductioncostisjustasthesameasaluminiumsulfate(AS),buttheusecostislowerthantheotherinorga-niccoagulants.Therefore,PAShasalreadypossessedthebroadprospectsforindustrialisationandapplication.  Keywords:polymericaluminiumsulfate;coagulant;polymericaluminiumchloride;watertreatmentchemicals  (PAS)(PAC)[1]。[2-4][5-6],。:1)。2)[5]。3)[5]。4)[5]。5)。2080,,。1   ,:[Al2(OH)n(SO4)3-n/2]m(0n5,m≤10)。,。10%~14%,(B)0~70%,1a。1PASpH。1,PASpH。pH,。1 PASpH/%w(Al2O3)/%pH080.92092.630102.7240102.8750103.0360103.1970103.3640      无机盐工业INORGANICCHEMICALSINDUSTRY        第41卷第11期2009年11月  1PAS。1,,PAS,,。1 PAS  PAS2(PAS)。:,。:w(Al2O3)≥5%,w(Al2O3)≥10%。。2 PASw(Al2O3)/%/%(20℃)/(g·cm-3)w()/%pH()≥10.0 20~70≥1.200≤0.2≥2.5027.0~30.0  45.0~70.0≤0.6w(As)/%w(Pb)/%w(Cd)/%w(Hg)/%w(Cr6+)/%≤0.0002≤0.0005≤0.0001≤0.00001≤0.0005≤0.0006≤0.0015≤0.0003≤0.00003≤0.00152 PAS2.1 PAS  PAS2。2,,60%。70%PAS60%PAS。2 PAS2.2   4(:ZR-PAC、PAC)3。3a,18℃,PAS,2mg/LPACZR-PAC,2mg/L,PAC,ZR-PAC。3b,25℃,PAS、PACZR-PAC。a—18℃;23.6NTU;b—25℃;22.5NTU3 2.3   4~6。4~6,,PAS,PAC,ZR-PAC。   38.8NTU;9℃;pH7.654  23.5NTU;8℃5  31.6NTU;9℃;pH7.506 2.4   7。7,,PASPAC。412009年11月           李凯等:工业化聚硫酸铝的研究22.8NTU;12℃;pH7.687 2.5 PAC2.5.1 4种混凝剂与日本PAC的比较  84PAC[,w(Al2O3)10.22%,53.83%]。8,PASPAC。12.4NTU;16℃;pH7.78 3   ,。(AS)[w(Al2O3)7.8%]:350/t;ZR-PAC[w(Al2O3)8%]:820/t;PAS[w(Al2O3)10%],,600/t。AS,PAS117.7/t[w(Al2O3)7.8%]。AS[w(Al2O3)7.8%]:400/t,80/t;PAS[w(Al2O3)10%],650/t,240/t。PAC[w(Al2O3)10%],750/t。  1t()3。3,,PAS。3 1t/kg/1t/kg/AS606.0242.6401.0140.4PAS297.0193.1117.070.2PAC463.0347.3325.0211.3ZR-PAC100.082.04   1)PAS60%。2)PAS,,18℃,PAS,25℃。3)(、、),PASAS、PAC,ZR-PAC。4)PAS,PAC。5)PASAS,PACZR-PAC。PAS。6)PAS:w(Al2O3)5%;;;w(Al2O3)10%。,。:[1] .[M].:,1981:2-3.[2] ,,.[J].,1993,19(5):633-638.[3] ,,.PASS[J].,2001,24(1):16-18.[4] ,,.[J].,1998,19(2):92-93.[5] ·,·,·.:,1042340[P].1990-05-23.[6] .:,101279756[P].2008-10-08.:2009-06-25:(1970— ),,,,,7。:office@zrwater.com    1995—2006《》,80/。:022-26658343,2668907242               无机盐工业              第41卷第11期

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