醇酮废水硝酸氧化液分离己二酸的工艺研究张晓娟

　2006265　　　　　　　　　　　　　ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY[]2006-03-09;[]2006-05-25。[](1965—),,,,,。:13065368766;:[e-mail]。1,2,1,1,1,3(1.,111003;2.,111003;3.,111003)[]。——,,、、。:180min、35℃;:75℃、8%、90min。1∶2,99%、151～152℃、Pt-Co50。[];;;;[]X77　　　[]A　　　[]1006-1878(2006)05-0421-04ProcessforSeparatingAdipicAcidfromNitricAcidOxidationSolutionofCyclohexanol-CyclohexanoneProductionWastewaterZhangXiaojuan1,ShaoYinggui2,TangLihua1,JiaChangying1,XuTiejun1,YanChengyu3(1.CollegeofPetrochemicalProcessing,ShenyangUniversityofTechnology,LiaoyangLiaoning111003,China;2.JinxingChemicalPlant,LiaoyangPetroleumandChemicalFiberCompany,LiaoyangLiaoning111003,China;3.LiaoyangPetrochemcalCompany,CNPC,LiaoyangLiaoning,111003,China)Abstract:Thetechnologicalprocessandoperatingconditionsforseparatingadipicacidfromnitricacidoxidationsolutioninproductionofmixeddiproticacidfromcyclohexanol-cyclohexanoneproductionwastewaterwerestudied.Viacrystallization,activatedcarbondecolorationandrecrystallization,crudeadipicacidwascrystallizedandseparatedfromtheoxidationsolution,andrefinedadipicacidwasobtainedfromcrudeadipicacidviadecoloration,recrystallizationanddrying.Theconditionsforcrystallizationofadipicacidareasfollows:crystallizationtime180min,finalcrystallizationtemperaturemorethan35℃.Theconditionsforactivatedcarbondecolorationofcrudeadipicacidareasfollows:decolorationtemperature75℃,activatedcarbondosage8%ofthemassofcrudeadipicacid,decolorationtime90min.Themassratioofadipicacidtomixeddiproticacidis1∶2.Theproductofadipicacidischaracterizedbypurityover99%,meltingpoint151-152℃andPt-Cocoloritylessthan50.Keywords:cyclohexanol;cyclohexanone;nitricacidoxidationsolution;separation;adipicacid;com-prehensiveutilization　　,(HPOCaP)、C1～6、C2～6、[1]。,70kt/a,COD3.0×105mg/L。,421　　　　　　ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY　　　　　　200626,18%[2]。2004,(:ZL97100669.5),9500、,、,,。、()(、、30%,50%,20%)[3],50%,3,;。,,。1　实验部分1.1　(),14%,24%,。:;:。1.2　1。1　1.3　。,。,。、,(),,。。、、。,15%,,、。,,,。。、。,30%,25℃,30min,,,。1.4　HP1100,BDS-C18,40℃,,40℃,20μL,。GB/T617—1988《　》;Pt-Co(GB605—1988《》)。2　结果与讨论2.1　,、24%14%,。、、。,。:(1),、、,90%;(2)、,99%、Pt-Co50。2.2　1。422　5.1　/min/℃/g,%w(),%w,%1180308396.0788.5626.4649.5823.962210308796.0287.1227.3651.2821.363180357696.7990.0125.2147.2427.554210357996.2789.8925.6048.0026.405180406897.6091.0623.8944.7731.346210407197.3290.8524.2545.4530.30　　1,90%,180min、35℃。2.3　(A)、(B,)、(C)33,Pt-Co,2。2,A2B3C3,75℃、8%、90min。2.4　,、4,3。2　A/℃B,%C/minPt-Co165430782656605836589042475460385756902867583045785490528856308498586068k1595669k2375655k3685141R315283　、,%/℃Pt-Cow,%135℃,75℃,99.2151～1522627.3448.7321.932　180min　8%,99.52926.8050.5722.633　90min99.73227.7050.2622.04499.42726.2050.9322.87　　3,,。3　经济效益分析,10000t/a,10000t/a、60%(50%),3000t/a;10000/t,1500((10000/t×3000t)-(5000/t×3000t());2000/t,3000t,900。10000t/a、,。4　结论a)——。b)423　　　　　　ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY　　　　　　20062690%,180min、35℃;:75℃、8%、90min。c)——、,99%、151～152℃、Pt-Co50。　　　1　.BI.,1996,(3):49～522　.BI.,1997,17(2):100～1043　,..,2002,22(6):375～377(编辑　刘建新)。(2),。,,。,,,,,30%～50%,50%。,,,COD。/CN1792857,2006-06-28。pH10,,0.1～1.0g,0.04～0.80g。,、,。/CN1792853,2006-06-28。,:(1),;(2);,,,;(3)(2);,;(4)(2),,,;,,。,,1/2～3/4;5%～20%;1/5,1/2。、,。/CN1820820,2006-08-23-。,Fe、Ni、MnCuSiO2MnO2,0.5%～5%,。,Mn(NO3)3,70～90℃10～12h,110℃5～7h,300～400℃3～5h,。,,。/CN1817450,2006-08-16424