热力学方法讲座 华南理工大学化学工程研究所陆恩锡ppt课件

1、iiixyKppkykiiii0PPxyKiiii0viliiiixyK )v( )v(a bvRT = P)bv( )v(T/a bvRT = P2/1)bv( )v(a bvRT = P) 414. 2( ) 414. 0( = bvbvabvRTP)414. 2414. 2ln()2(22)ln() 1(lnBZBZbbaaXBABZZbbPxfkikiikkkPRTvbaTvvbca ()()T( a )T( = )T( aca aaR TPbRTPcicicicicici0 427470 0866422.,.AaPR TBbPRTiciiiia22,25 . 0r )T 1( m +

2、 1 =)T(a a20.175 1.574 + 0.480 m AaPR TBbPRTiciiiia22, Amix, Bmix = ?Ayyk AAijijijij()()112By Biii kij 二元相互作用参数)T( a )T( = )T( aca a0.5rT/ 1= )T(a a).T1)(62. 157. 1(T)T(rr a a25 . 0r )T 1( m + 1 =)T(a a20.175 1.574 + 0.480 m 25 . 0r )T 1( m + 1 =)T(a a20.2699 1.5422 + 0.3746 m )1T/1( n)T1(m1)T(rra a

3、)T1(e)T(2r1CCa a235 . 0r325 . 0r25 . 0r1)T1(C)T1(C)T1(C1)T(a a2r5 . 0r25 . 0r1)T7 . 0)(T1(C)T1(C1)T(a a)T1(L)1M(NrMNreT)T(a a) )T( )T( + )T()T(0)(1)0)(a aa a a aa a)T1(L)1M(NrMNreT)T(a aiiibxbij jiijjikaaxxa1)Pf(xyKL0iviiiii siLissioLiPPRTvexpPfi ln()ln()1121221122221211221211AAAxxAAAxxlnln()lnln()1

4、112 2212112 221221 12221 1112112 221221 1xA xxAxA xAxA xxA xxAxA xAxA x iiiRTvlnLlnijijijjkikkjijkjkkjijlljljlkjkkG xG xx GG xxGG xjijijijiabTcT2ijijijijabTcT2GTijijijijexpabaij aji b ij b jiCan use 3-term (as, bs and a), 5-term (as, bs, and a) or 8-term (as, bs, cs, a and b)KyxHPiiii mix,NoImagelnl

5、n,HxHi mixijini jUse the on-line Reference Manual in PROvision10PKsat10P10KKi ,10i)Pf(xyKL0iviiiii )bv( )v(T/a bvRT = P2/1C2H4 ? iiiRTvlnLLiiiLiivxvxi siLissioLiPPRTvexpPfi 1oLi0oLioLiPflnPflnPfln provide useful results for nonpolar systems.L1L2VLWVVaporLiquid 2Liquid 1VLE K-valuesVLE K-valuesLLE K-

6、valuesMust enable two-liquid phase calculations.VaporPure WaterLiquidWater VaporPressureVLE K-valuesWater SolubilityGood for vapor densities onlyVZRTPsiRAiciciiiririTforT 110752 7.iririTforT160006930260655075.Zc to get mixture values, then uses the equations for the mixture densityVVVVsatsatRSRKR*01VaTRiiri014311 Vb TTRiriir114100001.VVCBPBPssat1ln Latent Heat of Vaporization of EB1001101201301401501601