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Addition of the sulfhydryl group (-SH) to the PPR78 model: Estimation of missing group-interaction parameters for systems containing mercaptans and carbon dioxide or nitrogen or methane, from newly published data

Identifieur interne : 000095 ( PascalFrancis/Corpus ); précédent : 000094; suivant : 000096

Addition of the sulfhydryl group (-SH) to the PPR78 model: Estimation of missing group-interaction parameters for systems containing mercaptans and carbon dioxide or nitrogen or methane, from newly published data

Auteurs : Romain Privat ; Jean-Noël Jaubert

Source :

RBID : Pascal:12-0432473

Abstract

In 2008, the PPR78 model (Predictive Peng-Robinson 1978) was extended to mercaptan-containing systems by adding the sulfhydryl group (-SH), that is, by determining the values of the group-interaction parameters between the group -SH and the fourteen other groups already present in the PPR78 model. Unfortunately, due to a lack of experimental data reported in the open literature, it was not possible to characterize interactions between the group -SH and the three groups: ethane, CO2 and N2. Very recently, vapor-liquid equilibrium data for three binary systems containing methanethiol and respectively methane, nitrogen and carbon dioxide were however measured. It was thus decided to use these data to estimate two of the missing group-interaction parameters (-SH/CO2 and -SH/N2). For such systems, deviations observed with the PPR78 model are compared to those obtained with the CPA equation of state.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0378-3812
A02 01      @0 FPEQDT
A03   1    @0 Fluid phase equilib.
A05       @2 334
A08 01  1  ENG  @1 Addition of the sulfhydryl group (-SH) to the PPR78 model: Estimation of missing group-interaction parameters for systems containing mercaptans and carbon dioxide or nitrogen or methane, from newly published data
A11 01  1    @1 PRIVAT (Romain)
A11 02  1    @1 JAUBERT (Jean-Noël)
A14 01      @1 Université de Lorraine - Ecole Nationale Supérieure des Industries Chimiques (ENSIC), Laboratoire Réactions et Genie des Procédés (UPR CNRS 3349), 1 rue Grandville, B.P. 20451 @2 54001 Nancy @3 FRA @Z 1 aut. @Z 2 aut.
A20       @1 197-203
A21       @1 2012
A23 01      @0 ENG
A43 01      @1 INIST @2 17569 @5 354000509593610230
A44       @0 0000 @1 © 2012 INIST-CNRS. All rights reserved.
A45       @0 18 ref.
A47 01  1    @0 12-0432473
A60       @1 P @3 CC
A61       @0 A
A64 01  1    @0 Fluid phase equilibria
A66 01      @0 NLD
C01 01    ENG  @0 In 2008, the PPR78 model (Predictive Peng-Robinson 1978) was extended to mercaptan-containing systems by adding the sulfhydryl group (-SH), that is, by determining the values of the group-interaction parameters between the group -SH and the fourteen other groups already present in the PPR78 model. Unfortunately, due to a lack of experimental data reported in the open literature, it was not possible to characterize interactions between the group -SH and the three groups: ethane, CO2 and N2. Very recently, vapor-liquid equilibrium data for three binary systems containing methanethiol and respectively methane, nitrogen and carbon dioxide were however measured. It was thus decided to use these data to estimate two of the missing group-interaction parameters (-SH/CO2 and -SH/N2). For such systems, deviations observed with the PPR78 model are compared to those obtained with the CPA equation of state.
C02 01  X    @0 001C01C01
N21       @1 338
N44 01      @1 OTO
N82       @1 OTO

Format Inist (serveur)

NO : PASCAL 12-0432473 INIST
ET : Addition of the sulfhydryl group (-SH) to the PPR78 model: Estimation of missing group-interaction parameters for systems containing mercaptans and carbon dioxide or nitrogen or methane, from newly published data
AU : PRIVAT (Romain); JAUBERT (Jean-Noël)
AF : Université de Lorraine - Ecole Nationale Supérieure des Industries Chimiques (ENSIC), Laboratoire Réactions et Genie des Procédés (UPR CNRS 3349), 1 rue Grandville, B.P. 20451/54001 Nancy/France (1 aut., 2 aut.)
DT : Publication en série; Courte communication, note brève; Niveau analytique
SO : Fluid phase equilibria; ISSN 0378-3812; Coden FPEQDT; Pays-Bas; Da. 2012; Vol. 334; Pp. 197-203; Bibl. 18 ref.
LA : Anglais
EA : In 2008, the PPR78 model (Predictive Peng-Robinson 1978) was extended to mercaptan-containing systems by adding the sulfhydryl group (-SH), that is, by determining the values of the group-interaction parameters between the group -SH and the fourteen other groups already present in the PPR78 model. Unfortunately, due to a lack of experimental data reported in the open literature, it was not possible to characterize interactions between the group -SH and the three groups: ethane, CO2 and N2. Very recently, vapor-liquid equilibrium data for three binary systems containing methanethiol and respectively methane, nitrogen and carbon dioxide were however measured. It was thus decided to use these data to estimate two of the missing group-interaction parameters (-SH/CO2 and -SH/N2). For such systems, deviations observed with the PPR78 model are compared to those obtained with the CPA equation of state.
CC : 001C01C01
LO : INIST-17569.354000509593610230
ID : 12-0432473

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Pascal:12-0432473

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<sub>2</sub>
and N
<sub>2</sub>
. Very recently, vapor-liquid equilibrium data for three binary systems containing methanethiol and respectively methane, nitrogen and carbon dioxide were however measured. It was thus decided to use these data to estimate two of the missing group-interaction parameters (-SH/CO
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<sub>2</sub>
and N
<sub>2</sub>
. Very recently, vapor-liquid equilibrium data for three binary systems containing methanethiol and respectively methane, nitrogen and carbon dioxide were however measured. It was thus decided to use these data to estimate two of the missing group-interaction parameters (-SH/CO
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