KS I ISO 18453-2010 Natural gas－Correlation between water content and water dew point《天然气 水含量和水露点的相关性》.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 18453 KS I ISO 18453 :2010 2010 7 13 http:/www.kats.go.krKS I ISO 18453:2010 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2005 12 14 ：2010 7 13 2010-0260 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 18453:2010 i .1 1 1 2 .1 3 2 4 3

2、 4.1 .3 4.2 (extended working range) .4 5 4 5.1 .4 5.2 .7 A() .8 A.1 8 A.2 11 A.3 (Phase behavior)13 B() 15 B.1 .15 B.2 (traceability) .15 B.3 .15 B.4 (applicability).15 C() 17 C.1 .17 C.2 17 C.3 18 D() , , , , 19 D.1 , 19 D.2 , , , .19 D.3 20 21 KS I ISO 18453:2010 Natural gasCorrelation between wa

3、ter content and water dew point 2004 ISO 18453, Natural gasCorrelation between water content and water dew point , . 1 () . GERG . . 2 . 2.1 ； (correlation) 2 KS Q ISO 35341 , , 3. . 2.2 (working range) 2.3 (extended working range) 2.4 (uncertainty of the correlation) KS I ISO 18453:2010 2 . 2.5 (ac

4、entric factor) (acentricity) (nonsphericity) 1 . 2.6 (normal reference conditions) , , 101.325 kPa, 273.15 K, . KS I ISO 14532 2.7 (traceability) , KS I ISO 14532 3 GERG . GERG . ( 155) (0.5 10 ) MPa() . (binary system) / . (saturation method) . (Karl Fischer) , ( , ) . . , . GERG Monograph()2 . ( 1

5、55) (0.5 10 ) MPa() . , , , (H 2 S) 5 mg/m 3 ( ) . . ( 5040) , (0.1 30 ) MPa . KS I ISO 18453:2010 3 . . . . , (2.6). 4 4.1 . a) ：0.5 MPa p 10 MPa b) ：15 t 5 c) ： 1 . 1 . C . 1 Methane(CH 4 ) 40.0 % Nitrogen(N 2 ) 55.0 % Carbon dioxide(CO 2 ) 30.0 % Ethane(C 2 H 6 ) 20.0 % Propane(C 3 H 8 ) 4.5 % 2M

6、ethyl propane(C 4 H 10 ) 1.5 % nButane(C 4 H 10 ) 1.5 % 2,2Dimethyl propane(C 5 H 12 ) 1.5 % 2Methyl butane(C 5 H 12 ) 1.5 % nPentane(C 5 H 12 ) 1.5 % C 6 (sum of hexanehigher hydrocarbons) (C 6 H 14 ) 1.5 % C 6 nhexane . . ：2 ： 1) w 580 mg/m 3 ：0.140.021 w 20(mg/m 3 ) 2) w 580 mg/m 3 ：18.840.053 7

7、w 20(mg/m 3 ) B C . KS I ISO 18453:2010 4 KS I ISO 13443 . 4.2 (extended working range) . a) () 0.1 MPa p 0.5 MPa 10 MPa p 30 MPa. b) 50 t 15 5 t 40 . c) 4.1 . 5 5.1 Peng Robinson ( A .) . . 223.15 K 273.16 K , () 273.16 K 313.15 K , 2 2 / 1 R 3 2 2 / 1 R 2 2 / 1 R 1 R 4 ) 1 ( ) 1 ( ) 1 ( 1 ) ( T A

8、T A T A T T R . crit R T T T . a) 223.15 K T 273.16 K 1) A 1 0.106 025 2) A 2 2.683 845 3) A 3 4.756 38 b) 273.16 K T 313.15 K 1) A 1 0.095 436 2) A 2 0.213 781 3) A 3 0.260 05 . (binary parameter) k ij ( ) . /, /, / (binary system) . . 1 15 . 273 ) ( 1 , 0 , T k k T k ij ij ijk ij (T) 0 k ij k ij,0

9、 . (binary water KS I ISO 18453:2010 5 system) (50 40 ) . (extrapolation) . 2 3 . 2 ( ) p cT c Water(H 2 O) 0.344 37 220.64 647.14 Knapp(1982)12 Nitrogen(N 2 ) 0.035 93 33.99 126.26 Knapp(1982)12 Carbon dioxide(CO 2 ) 0.223 94 73.86 304.21 Knapp(1982)12 Methane(CH 4 ) 0.011 4 45.99 190.55 Knapp(1982

10、)12 Ethane(C 2 H 6 ) 0.099 09 48.72 305.33 Knapp(1982)12 Propane(C 3 H 8 ) 0.156 11 42.46 369.85 Knapp(1982)12 2Methyl propane(iC 4 H 10 ) 0.184 65 36.4 407.85 Knapp(1982)12 nButane(nC 4 H 10 ) 0.197 77 37.84 425.14 Knapp(1982)12 2,2Dimethyl propane(neoC 5 H 12 ) 0.195 28 31.96 433.75 Knapp(1982)12

11、2Methyl butane(iC 5 H 12 ) 0.226 06 33.7 460.39 Knapp(1982)12 nPentane(nC 5 H 12 ) 0.249 83 33.64 469.69 Knapp(1982)12 nHexane(C 6 H 14 ) 0.296 30.2 507.85 Knapp(1982)12 (acentric factor) p c (bar) T c (kelvins) KS I ISO 18453:2010 6 3 i j k ij, 0k ij, 1 Water Nitrogen 0.480 0 0 GERG2 Water Carbon d

12、ioxide 0.184 0.236 GERG2 Water Methane 0.651 1.385 GERG2 Water Ethane 0.635 0.93 GERG2 Water Propane 0.53 0 GERG2 Water nButane 0.69 0 GERG2 Water nPentane 0.5 0 GERG2 Water nHexane 0.5 0 GERG2 Water 2Methyl propane 0.69 0 GERG2 Water 2,2Dimethyl propane 0.5 0 GERG2 Water 2Methyl butane 0.5 0 GERG2

13、Nitrogen Carbon dioxide 0.017 0 0 Knapp(1982)9 Nitrogen Methane 0.031 1 0 Knapp(1982)9 Nitrogen Ethane 0.051 5 0 Knapp(1982)9 Nitrogen Propane 0.085 2 0 Knapp(1982)9 Nitrogen nButane 0.080 0 0 Knapp(1982)9 Nitrogen nPentane 0.100 0 0 Knapp(1982)9 Nitrogen nHexane 0.149 6 0 Knapp(1982)9 Nitrogen 2Met

14、hyl propane 0.103 3 0 Knapp(1982)9 Nitrogen 2,2Dimethyl propane 0.093 0 0 Avlonitis(1994)8 Nitrogen 2Methyl butane 0.092 2 0 Knapp(1982)9 Carbon dioxide Methane 0.091 9 0 Knapp(1982)9 Carbon dioxide Ethane 0.132 2 0 Knapp(1982)9 Carbon dioxide Propane 0.124 1 0 Knapp(1982)9 Carbon dioxide nButane 0.

15、133 3 0 Knapp(1982)9 Carbon dioxide nPentane 0.122 2 0 Knapp(1982)9 Carbon dioxide nHexane 0.110 0 0 Knapp(1982)9 Carbon dioxide 2Methyl propane 0.120 0 0 Knapp(1982)9 Carbon dioxide 2,2Dimethyl propane 0.126 0 0 Kordas(1994)10 Carbon dioxide 2Methyl butane 0.121 9 0 Knapp(1982)9 Methane Ethane 0.00

16、2 6 0 Knapp(1982)9 Methane Propane 0.014 0 0 Knapp(1982)9 Methane nButane 0.013 3 0 Knapp(1982)9 Methane nPentane 0.023 0 0 Knapp(1982)9 Methane nHexane 0.042 2 0 Knapp(1982)9 Methane 2Methyl propane 0.025 6 0 Knapp(1982)9 Methane 2,2Dimethyl propane 0.018 0 0 Kordas(1995)11 Methane 2Methyl butane 0

17、.005 6 0 Knapp(1982)9 Ethane Propane 0.001 1 0 Knapp(1982)9 Ethane nButane 0.009 6 0 Knapp(1982)9 Ethane nPentane 0.007 8 0 Knapp(1982)9 Ethane nHexane 0.010 0 0 Knapp(1982)9 KS I ISO 18453:2010 7 3 () i j k ij, 0k ij, 1 Ethane 2Methyl propane 0.006 7 0 Knapp(1982)9 Ethane 2,2Dimethyl propane 0.023

18、0 0 Nishiumi(1988)7 Ethane 2Methyl butane 0.016 0 0 Nishiumi(1988)7 Propane nButane 0.003 3 0 Knapp(1982)9 Propane nPentane 0.026 7 0 Knapp(1982)9 Propane nHexane 0.000 7 0 GERG2 Propane 2Methyl propane 0.007 8 0 Knapp(1982)9 Propane 2,2Dimethyl propane 0 0 Propane 2Methyl butane 0.011 1 0 Knapp(198

19、2)9 2Methyl propane nButane 0.000 4 0 GERG2 2Methyl propane nPentane 0 0 2Methyl propane nHexane 0 0 2Methyl propane 2,2Dimethyl propane 0 0 2Methyl propane 2Methyl butane 0 0 nButane nPentane 0.017 4 0 Knapp(1982)9 nButane nHexane 0.005 6 0 KBP212 nButane 2,2Dimethyl propane 0 0 nButane 2Methyl but

20、ane 0 0 2,2Dimethyl propane 2Methyl butane 0 0 2,2Dimethyl propane nPentane 0 0 2,2Dimethyl propane nHexane 0 0 2Methyl butane nPentane 0.060 0 Knapp(1982)9 2Methyl butane nHexane 0 0 nPentane nHexane 0 0 5.2 5.2.1 / . a) (mol %) b) (bar) c) (mg/m 3 ) () 5.2.2 () (mg/m 3 ) . KS I ISO 18453:2010 8 A

21、() 5. , 6 PC . A.1 A.1.1 2 (closed system) . S . . . () . . S 0 (A.4) . S0 2S 0 4 S 0 (A.5) . . 2S0 (A.6) (system) . T p Gibb G . dG0 d 2G 0 (A.7) KS I ISO 18453:2010 9 T V Helmholtz A . “n ” “ nc” n j nc i ij ij n G 11 (A.8) n j i ij n n 1 (A.9) n i ：i n ij ： j i ij： j i nc ( n , nc) . () . . dUdWd

22、Q(A.10) dWpdV(A.11) dQTdS(A.12) (A.10), (A.11), (A.12) . dUTdSpdV(A.13) . . . U . . N ) , , , , ( 2 1 N n n n V S U U (A.14) (A.14) . N i i n V S i n S n V n n U V V U S S U U j d d d d , , , , (A.15) KS I ISO 18453:2010 10 j i . p V U V U T S U S U S n S V n V , , (A.16) (A.15) (A.16) . i N i n V S

23、 i n n U V p S T U j d d d d , , (A.17) “ ”, i . j n V S i i n U , , (A.18) 1923 G.N. Lewis (fugacity) f . d i RTd(ln f i ) (A.19) , i . p x f i i i v , (A.20) x i , v ： i . . A.1.2 . i1nc i, l i, v , i 1nc f i, l f i, v, i 1nc T i, l T i, vj n V S i n U , , KS I ISO 18453:2010 11 . , . i1nc v , l , i i i K ( v , l) . ) 2 , 1 ( v l v l v l i f f p p T T i i (A.21) (A.7) (A.20) (A.21) i . x i i