Studies on the behavior of liquid hydrocarbon systems

Кравцов, А. В.; Svarovskaya, N. A.; Marasanova, I. V.

doi:10.1007/bf02075835

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2022

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“…To describe the properties of two-component and multi-component mixtures, we used the "quasi-additivity" model. 17 In accordance with the proposed model, the properties of the mixture are presented in the form of:…”

Section: Methodsmentioning

confidence: 99%

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Simulation of Change in Density and Viscosity of Crude Oil When Mixing

Zamikula¹,

Tertyshna²,

Tertyshny³

et al. 2022

ChChT

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The deviation of density and viscosity values of oil mixtures from those calculated according to the additivity rule has been examined. Mathematical models have been developed for determining the properties of mixtures with different compositions taking into account the group composition of the source components. Mixtures containing components with a high content of alkanes and a low content of arenes have been found to be characterized by extreme deviations of density towards the maximum and kinematic viscosity towards the minimum. The created models were validated and compared with existing methods of describing the oil physicochemical properties. An approach to the creation of optimal from a technological point of view formulation for compounding oil of different types is proposed.

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Section: Methodsmentioning

confidence: 99%

“…For viscosity the coefficients of "quasi-additivity" are calculated from Eqs. (8)(9)(10): 17 To realize the task, the temperatures of the mixed components were taken into account. The density of the mixture for certain mass fractions of the components was determined by the formula:…”

Section: Methodsmentioning

confidence: 99%