南京扬子石化90kt异丁烯资源化利用项目N.pdfVIP

2008373PETROCHEMICALTECHNOLOGY·253·

N-

C1,3-

4

陈雅萍,梁泽生,徐伟,田云峰

(,100013)

[]NRTLUNIFACN-(NMP)-C,NRTL

4

。AspenPlusNMPC1,3-

4

,10%,。、(NMPC

4

)、1,3-。,:70～80,

48～52,12,05～10,40～50℃,0150～0155kg/h。

[];1,3-;N-;;;;AspenPlus

[]1000-8144(2008)03-0253-05[]TQ028[]A

SimulationofSeparating1,3-ButadienefromCFractionby

4

ExtractiveDistillationwithN-Methylpyrrolidone

ChenYaping,LiangZesheng,XuWe,iTianYunfeng

(BeijingResearchInstituteofChemicalIndustry,SINOPEC,Beijing100013,China)

[Abstract]Thevapor-liquidequilibriummodelofextractivedistillationwithN-methylpyrrolidone

(NMP)asextractantforseparating1,3-butadienefromCfractionweresetupbyusingNRTLequation

4

andUNIFACgroupmodelWithregardtothemodelandexpermientaldat,aprocessofseparationofC

4

fractionwithNMPwasoptmiizedbyAspenPlusprocesssmiulatingsoftwareTheoptmiizationresults

werecomparedwithexpermientdat,atheerroriswithin10%Themodelisconsideredtobereliable

Effectsofcolumntray,srefluxratio,extractantratio(massratioofNMPtofeedC)onseparation

4

wereunder