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Titolo:
THERMODYNAMIC MODEL OF PETROLEUM FLUIDS CONTAINING POLYDISPERSE ASPHALTENE AGGREGATES
Autore:
VICTOROV AI; SMIRNOVA NA;
Indirizzi:
ST PETERSBURG STATE UNIV,DEPT CHEM,UNIV PR 2 ST PETERSBURG 198904 RUSSIA ST PETERSBURG STATE UNIV,DEPT CHEM ST PETERSBURG 198904 RUSSIA
Titolo Testata:
Industrial & engineering chemistry research
fascicolo: 8, volume: 37, anno: 1998,
pagine: 3242 - 3251
SICI:
0888-5885(1998)37:8<3242:TMOPFC>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
SIZE DISTRIBUTIONS; AQUEOUS-SOLUTIONS; SURFACTANT FILMS; PRECIPITATION; MICELLES; MIXTURES; MICROEMULSIONS; MICELLIZATION; FLOCCULATION; FRACTIONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
45
Recensione:
Indirizzi per estratti:
Citazione:
A.I. Victorov e N.A. Smirnova, "THERMODYNAMIC MODEL OF PETROLEUM FLUIDS CONTAINING POLYDISPERSE ASPHALTENE AGGREGATES", Industrial & engineering chemistry research, 37(8), 1998, pp. 3242-3251

Abstract

New version of thermodynamic aggregation model of asphaltene-containing crude is formulated and analyzed with regard to characteristics of resin molecule shape and deformation of the resin shell of the asphaltene aggregates. The relation between the shape factors and elastic constants is discussed, and their effect on the size distribution of asphaltenic aggregates is considered. The model is applied to describe asphaltene precipitation from petroleum fluid upon its dilution with a liquid alkane. The effect of dilution on the asphaltene particle size distribution is studied. The model calculation has shown that the behavior of asphaltenic crude varies dramatically with the change of molecular characteristics of resins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 05:33:01