利用七水硫酸亚铁生产一水硫酸亚铁及聚合硫酸铁

1,2(1.,410012;2.)　　:,,。　　:;;　　:TQ110.9　　:A　　:1006-4990(1999)05-0029-02　　,,。　　,。1　　　:,Fe2+17%,As0.0002%,Pb0.002%,0.2%;,95%;;。2　2.1　试验流程　　1。++　　↓　　　　　↓1　、2.2　试验工艺　　:,10%,,,,,60℃,90℃,,,,,10%,。　　Fe2+;,、、,,。3　3.1　重结晶温度试验　　,,,64～90℃6,,6,FeSO4·H2O,。,,,,,。　　2,,,,110℃80%,,,　　:,,37,,。15。291999—09,31(5)　　　　　　葛英勇　　　　利用七水硫酸亚铁生产一水硫酸亚铁及聚合硫酸铁　　。110～120℃。2　FeSO4·H2O3.2　脱水剂的影响　　,,,,,,。,1.4%～1.6%,,。3.3　最终产品指标　　110～120℃,1.4%～1.6%,0.5～1h,1,。1　Fe2+(Pb)/%≥30≤0.001≤0.00053.4　聚合硫酸铁　　Fe2+H2SO4,1tH2SO470kg,580kg,H2SO4;38kg/t,,、,2。、、、、、。2　Fe3+g·L-1Fe2+g·L-1(20℃)MPa·S%≥160≤0.18～151.45～1.510～154　　　,:420/t;、、110/t;100/t;30/t;50/t;710/t,1100/t,390/t。2000t,78。　　,,:190/t,H2SO440/t,60/t,290/t,650/t,360/t。2000t,72。2000t;,,。5　　　1,。,(20%H2SO4),;。(:1999—03—16)(上接第11页)600W,,,、,600W。3　　　,,,740min,,。,:4∶1,40min600W,95.8%。:[1]　D′yvireF.Bull.Chem.Soc.France.1961.1762.[2]　StanleyJM.Ind.End.Chem.,1954:46,1604.[3]　ArlidgeEZetal.J.Appl.Chem.,1963:13,17.(:1999—03—19)30　　INORGANICCHEMICALSINDUSTRY　　　　　　　　　　无机盐工业　　1999-09,31(5)highpurity;phosphorusSEPARATINGKBrFROMTHEAQUEOUSSOLUTIONBYSOLVENTINGOUTMETHOD.WANGJianchengetal.(Dept.ofLightChemicalEngineering,ShangdongInstituteofLightIndustry,Jinan250100):Chin.J.InorganicChem-icalsInd.31(5),1999,pp.25～26　　Threeorganicsolvents,methanol,ethanolandacetoneareselectedtoseparateKBrfromtheaqueoussolution.ItshowsthatKBrinaqueoussolutioncanbeseparatedeffec-tivelybymethanol,ethanolandacetone,andtheseparatingeffectofmethanolisbetterthanthatofothertwo.Theex-perimentalresultcanbedescribedquiteaccuratelybythee-quationf=Kln(V/Vc),forf0.9.Theaboveequationcanactasabasisofengineeringdesign.　　Keywords:crystallization;separation;solventingout;potassiumbromideREDUCINGROASTOFSTRONTIANITEWITHCARBONATHIGHTEMPERATURE.ZHANGjinetal.(Dept.ofChemistry,ChongqingTeacher'sCollege,Yongchuan402168):Chin.J.InorganicChemicalsInd.31(5),1999,pp.27～28　　Thetheoreticalbasisandexperimentalresulttomakestrontiumoxidefromstrontianitebycarbonreductionofhightemperatureareintroduced.Anewwaytosolvetheproblemofsinteringinverticalkilnisfound.　　Keywords:strontianite;strontiumoxide;strontiumcar-bonate;carbonreduction;roastTHEPROCESSFORPRODUCINGMONOHYDRATEFER-ROUSSULFATEANDPOLYFERRICSULFATEFROMFER-ROUSSULFATE.GEyingyongetal.(ChangshaResearchInstituteofMiningandMetallurgy,Changsha410012):Chin.J.InorganicChemicalsInd.31(5),1999,pp.29～30　　Alargeamountofby-product-ferroussulfateispro-ducedintheproductionofTiO2pigment,thetechnologiesofproducingfeed-grademonohydrateferroussulfateandwa-tertreatmentagent-polyferricsulfatefromtheaboveby-productsimultaneouslyarepresented.　　Keywords:ferroussulfate;monohydrateferroussul-fate;polyferricsulfateSTUDYONTHEPREPARATIONOFK2SO4FROMTHEBY-PRODUCTFeSO4INTHEPRODUCTIONOFTiO2.LIUxiaohongetal.(Dept.ofChem.Eng.,NanchangUniv.,Nanchang330029):Chin.J.InorganicChemicalsInd.31(5),1999,pp.31～32　　TheK2SO4ispreparedbytwo-stepdoubledecomposi-tionmethod,theby-productFeSO4fromTiO2productionandKClareasrawmaterials.Theeffectofamountsofwa-teradding,waterevaparatingandwashingwateronthepro-cessarestudied.　　Keywords:ferroussulfate;potassiumsulfateTHEPREPARATIONOFPOLYALUMINIUMCHLORIDECO-AGULANTFROMKAOLINITE.SHENshuifaetal.(InstituteofFunctionalMaterials,FuzhouUni.,Fuzhou350002):Chin.J.InorganicChemicalsInd.31(5),1999,pp.33～35　　Anewmethodforpreparationofpolyaluminiumchlo-ridecoagulantisstudied.Kaoliniteisusedasaluminoussourceandotheraluminousorbasicmaterialsarenotre-quired.Theproductisobviouslysuperiortotraditionalcoag-ulantineitherpurificationofdrinkingwaterorsewagetreatment.　　Keywords:kaolinite;preparation;polyaluminiumchlo-rideRECOVERYOFNa2SO3MIXTUREFROMSULFUR-CON-TAININGWASTEWATERASTHESLURRYFORPAPER-MAKING.ZOUchangjunetal.(Dept.ofFineChemicals,JilinInstituteofChemicalTechnology,Jilin132022):Chin.J.InorganicChemicalsInd.31(5),1999,pp.36～37　　Na2SO3mixtureispreparedfromsulfur-containingwastewaterbyconcentrationmethodandthemixtureisusedasslurringforpaper-making.TherecoveryofNa2Scanreach100%,theeconomicandenvironmentalbenefitsareremarkable.　　Keywords:sulfur-containingwastewater;concentra-tionmethod;slurryDATADISCUSSIONFORTHREE-PHASECIRCULERELEC-TRICFURNACEOFPRODUCINGPHOSPHORUS.CAIpeijian(YunnanQujingResearchandDesignInstituteofChemicalIndustry,Qujing655000):Chin.J.InorganicChemicalsInd.31(5),1999,pp.38～40　　Basedonthespecificresistivityintheelectricfurnaceofproducingphosphorus,thebasicelectricandgeometricdataarediscussed.　　Keywords:electricfurnaceofproducingphosphorus;data;formulaTHEINTERACTIONBETWEENTHEQUALITYOFPOWER-SUPPLYINGANDTHEEQUIPMENTRUNNING.DINGliangetal.(Ji'nanYuxingChemicalGeneralplant,Ji'nan250033):Chin.J.InorganicChemicalsInd.31(5),1999,pp.41～43　　Intheindustrialproduction,thesafe,reliableandnor-malrunningoftheequipmentsareveryimportantforthere-alizationofvariousprocessindex.Meanwhilethegoodquali-tyofpower-supplyingnotonlyensuresthenormalrunningoftheequipment,butalsohasaneffectonaccuracyandreli-abilityoflighting,controlling,protectinganddetectingoftheequipment.Onthecontrary,thequalityoftheequipmentrunningcanfeedbacktothepower-supplyingnetandcausethee