我国氟化氢产品生产技术的现状及发展趋势

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(,324000),,,,-;,。;;;;;TQ124.3ADOI10.3969/j.issn.1006-6829.2010.06.002:2010-08-06!!!!!!!!!!!!!!(HF),、、、、。、HF。1HF:,HF63%~65%;,12%;,12%;、、。2009,HF850kt。2002—2009HF(AHF)1。12002—2009AHFTab1AHFexportvolumeandpricein2002—2009,、,AHF;、,AHF;HF,。,;,。10,,,,,。2008,,。,。250,,313,,1HF。2。2;2:,;1200kt/a,610kt/a。t / t-1200228046407200345546505200468781553200597316618200612411561720071277205804200813359314702009108129892·8·2010176ChemicalProductionandTechnology2Tab2HFproductivecapacityofmainmanufacturersinChina/kta-1 /kta-1 1555 315kt/a110kt/a !15#15$%&’( )*25 +,-10./016051015kt/a22 301155615 784940:;30215kt/a49(=?@49 A!#BC33256 DE40FG=HI201084JKLMNOPQ630215kt/a RSTU30RSVW(XY269 RSZ[15RSVW\]^_‘.a42 bcd8 efgh10^_ij40 20kt/aklIFmn4^_o*pqEr20 XY227stPruv9wxwyz15^__@#{^_A(|})2310w~~16$m€63kt/a^_‚ƒ„0115wXY31^_XY159…†‡ˆj‰Š65;‹ŒATO30[Ž‘40(‹Œ0’p “j”•45[–—615$m€;˜™VW45[XY55‹Œš›20wœž0BŸ8‹ ¡¢Ÿ8wœ£¤t¥¦}15‹Œ0’p15wœ§¨©ª30;«@¬12wœXY53;XY175­® “¯9°Ÿ15g??±60²³g?´Lg?µ0’p15¶·1&‘¸¹ ¹ º^:R20»¼½¾¿ÀÁ‡•g?ÂÃt[pÄ10ÅÆÇÈ?±40É20kt/aÊ_g?ÂÃ%15ÅÆËÌ͉Î30g?iVWi!3ÅÆÏFHF30g?XY103ÅÆXY100Ð ÑÒ¿Ó40Ê_ÔY1252·9·33.1AHF40,,、、,、、3,AHF。:1)(1953—1958)。,1953HF,,,,40t。2)(1958—1985)。HF,、、、。,“”HF(HF),,1958500t/aHF,3414、、、1~3kt。1985AHF。80,(Buss),3kt/aAHF,AHF。1958准500mmAHF,准800mm、准1600mm,AHF,。2。3)(1989—)。AHF,:1989(Stauff)10kt/aAHF;、10kt/a;5kt/a;Ato-3F(Atochem)10kt/a。,,AHF。2004,Chenco21kt/aHF,AHF:,、、,,HF,,,,HF,。4)HF。,,、,。,、HF。200820kt/aAHF。HF。3.2HFHF,,AHF,。、、Chenco,、,。,:,,,。,,、,。,:,;LIST、,。HF,HF。2,,、、,;HF20。,,、、、、,。3.3HFHF-,。3.3.1--HF·10·2010176ChemicalProductionandTechnology。HF:CaF2+H2SO4→2HF+CaSO4,ΔrHm(298.15K)=-56.1J/mol。1。:(,),,;,,HF,CaF2H2SO4,。,CaF2、H2SO4CaSO4。,。HF,、、,H2SO4HSO3F,HFHF。。HF,SO2-、SiF4-、H2SO4、H2O,HF,HF,。HFH2SO4,。H2SiF6225%H2SiF6。CaSO4,,,。。HF:1);,;。;2)HF;3);4),;5);6);7)。:1),,,,。:25%~50%HF;,;2),,,;3),,;4),,;5),,;6),,,;7),,;,,,;8),。3.3.2HF,,HF,HF。,,,,1-HFFig1HFprocessflowbyfluorite-sulfuricacidAHF98%105%·11·,。HFHF,HF。,60%~70%;,、、、、,,,。20kt/aAHF。3.3.3HF,3kt/a,25kt/a。10~15kt/a。2002,AHF10kt/a,。,AHF,39,,122,。,、;10kt/a,。3.3.4HF1):1tHF(97%)2.2~2.35t,2.6~2.8t,、。。2):-15℃-10℃,1tHF3350~5024MJ,,。,,。3):1tHF300~350kg(23MJ/kg)。,20%~30%。4HF,“-”,、、,。HF2,“-”,HF。4.1-4.1.1,,HF,,。,,2,HF。,400℃,15%,15min,98%。HF()。,HF。:CaF2(s)+SO3(g)+H2O(g)→2HF(g)+CaSO4(s)。HF,,、、,。HF,、、,。4.1.2,HF。,,;,90℃,HF,。、。《,CN101177243》,,HF。,,,,HF。HF,;,;,HF。,、,,HF,。·12·2010176ChemicalProductionandTechnology,。4.1.3HF、、,(25μm)HF,,HF。48μm(),1,120~220℃,2~10,,,。HF,、。1/3,。,,,。,,。、、,30%,HF,98%,,AHF2.6~2.7t。,HF,、、。4.2,,,、。12,20101,,、;,,《2010》。。2010,,950/t61680/t。,,450Mt(340Mt)。,,,、、。,。、、HF,,。HF:4.2.1--,HF,HF。。1),pH,。:6NH3+H2SiF6+2H2O→6NH4F+SiO2↓。2),。,:CaCO3+2NH4F→CaF2↓+NH3↑+CO2↑。96%,90%25μm,HF、,。--HF2。,1200~1600/t,,。,HF,。4.2.2--:,、、,;,HF;,,HF。:NH3+H2SiF6+2H2O→6NH4F+SiO2↓,NH4F+NH4HSO4→(NH4)2SO4+HF↑,(NH4)2SO4→NH4HSO4+NH3↑。3。:、、、、、HF、、HF、。:,·13··············································2010119—10。,、。、,。,,10,。,,。“”“”,1988。22,、、。()2--HFFig2HFprocessflowbyfluosilicicacid-calciumfluoride-sulfuricacidNH3NH3AHFH2SO4HFHFHF。,,,,;,,;,,20kt/aHF,6000,20。,。5,HF,、、,,、、、。“-”HF,、、、,,,。,,。HF,,。3--Fig3HFprocessflowbyfluosilicic-ammoniumfluoride-ammoniumbisulfate18%HFHFAHFSiO2SiO2H2SO4NH4FSiO2·14·2010,17(5)ChemicalProductionandTechnologyABSTRACTSCompetitiveStrengthandMarketAnalysisofElectronicChemicalsandSpecialGasContainingFluorine(tobecontinued)ChenHongchang(ChinaInorganicFluorideAssociation,Tianjin,300131)Abstract:Thehigh-endinorganicfluoridewhichincludingfluorine-containingspecialgasandelectronicchemicals,sulfurhexafluoride,tungstenhexafluorideandIodinepentafluoridewereintroducedinthispaper.Theseproductsmainlyappliedinthefieldofhigh-techcontainingelectronic,newmaterialandaerospaceandgenerallycharacterizedbyhightechnicalcontent,highadditionalvalueandoccupiedanimportantplaceinthenationaleconomy.Besides,otherinformationincludingtheproductionpropertiesandproductionmethods,thesituationandmanufacturemessagesalsoreviewedinthepaper.Keywords:specialgascontainingfluorine;electronicchemicalscontainingfluorine;high-end;competitivestrengthTheSituationandDevelopmentTendencyofHydrogenFluorideinChinaXuJianguo,ZhouZhenfeng,YingShengrong(QuzhouDingshenChemistryScientificCo,Ltd.,Quzhou,Zhejiang324000)Abstract:ByintroducethemethodofdevelopmentofproducingmethodsofHFandthecurrentrequirementofthemarket,thepaperanalysisthefuturetendencyofHFandputemphasisonpreparationHFbyfluosilicateacid.ThepaperalsorisetheopinionthattheeffectivelyresolvedoffluorinechemicalindustrystrategicallyimportantforSinoHFdevelopment.Keywords:hydrogenfluoride;fluosilicateacid;fluorite;vitriol;situation;developmentElectrofluorinationandItsFine-fluorineProductionBranches(theend)HuangChenghua,LiXunsheng,JinGuangquan(HubeiZhongkeBoceNewMaterialinstitute,Wuhan430015)Abstract:Thedevelopment

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