N-甲基吡咯烷酮生产工艺影响因素分析-宋国全

N-甲基吡咯烷酮生产工艺影响因素分析宋国全,刘俊广(,457000):以-丁内酯(GBL)甲胺为原料制备N-甲基吡咯烷酮(NMP),考察了影响反应的工艺条件,实践表明,n(CH3NH3)n(GBL)为1.6~1.8,n(H2O)n(GBL)为3.6~4.0,反应温度为275~285,反应时间为为2.0h,反应压力为6.0MPa,GBL转化率99%,NMP选择性96%:-丁内酯;合成;N-甲基吡咯烷酮:TQ251.3:A:1003-3467(2006)09-0024-02AnalysisofInfluencingFactorsoftheProductionProcessofN-methyl-2-pyrrolidoneSONGGuo-quan,LIUJun-guang(PuyangMaiqiFineChemicalCo.Ltd.,Puyang457000,China)Abstract:N-Methyl-2-pyrrolidoneispreparedwith-butyrolactone,methylamineasrawmaterials.Theprocessconditionsofinfluencingfactorsistested.Theresultsshowthat,themolarratioofmethylamineand-butyrolactone1.6~1.8,molarratioofwaterand-butyrolactone3.6~4.0,reactiontemperature275~285,reactiontime2.0h,reactionpressure6.0MPa,theconversionof-butyrolactoneisabove99%,selectivityofN-methyl-2-pyrrolidone96%.Keywords:-butyrolactone;synthesis;N-methyl-2-pyrrolidoneN-(NMP),N-(NMP)[1],,REPPE4--PYR1,41,4-,-(GBL),-(GBL)N-(NMP),GBL99%,NMP96%1-6.0MPa,,2856.0MPa,2.0h,,2n(CH3NH3)n(GBL)n(H2O)n(GBL),2.1N-(NMP),-(GBL)N-(NMP),111.21.41.61.82.02.2/%89.692.198.799.399.499.5/%99.699.499.398.393.390.7:2006-07-28:(1974-),,,,:(0393)442170724HENANCHEMICALINDUSTRY2006231,n(CH3NH3)n(GBL)1.8,,,,n(CH3NH3)n(GBL),1.82.2-,,,,-NMP,n(H2O)n(GBL),,n(H2O)n(GBL)3.6~4.023.23.43.63.84.04.24.4/%99.499.499.399.398.697.190.6/%94.796.598.399.399.399.599.52.3,;,,,,,260~290,,33/260270275280285290/%89.690.595.399.399.399.4/%99.699.599.399.296.389.4,,,,,,,,275~2852.4,-,,(),,;,,,NMP2.0h2.5,,5.0~7.0MPa,,,,6.0MPa2.6-(GBL),,,-(GBL)3,:n(CH3NH3)n(GBL)1.6~1.8,n(H2O)n(GBL)3.6~4.0,275~285,2.0h,6.0MPa-GBLN-(NMP)GBL,99%,NMP96%:[1]贾太轩,姜雄华,冯世宏,等.N-甲基吡咯烷酮的最新研究进展[J].辽宁化工,2004,(11):25-27.(上接第14页),,,,4Ca(OH)2,;PACPAFCPAM,,,,,,PACPACPAM,,,,PAC6.25mg/L,PAM0.2mg/L,pH7~8400m3,PAC3360,PACPAM2014,:[1]周如禄.煤矿含悬浮物矿井水净化处理技术探讨[J].煤矿环境保护,2000,14(1):10-12.259:N-