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Energy & Fuels

Energy & Fuels

IF: 5.2
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Density and Viscosity of Multicomponent Solvent (n-Pentane + n-Hexane + n-Heptane + cyclo-Hexane + Toluene) and Bitumen Mixtures─Implications for In Situ Bitumen Recovery and Transportation of Diluted Bitumen

Published:20 December 2023 DOI: 10.1021/acs.energyfuels.3c03519
Mohammad Shah Faisal Khan, ?and?, Hassan Hassanzadeh*, 

Abstract

Conventional techniques for extracting and transporting bitumen, such as steam-assisted gravity drainage (SAGD), are associated with significant environmental drawbacks and contribute to greenhouse gas emissions. Embracing alternative processes could significantly mitigate these environmental impacts significantly. Furthermore, developing more energy-efficient extraction and transportation methods holds the potential to reduce energy consumption and associated carbon emissions, contributing to a more sustainable energy sector. This study introduces novel measurements pertaining to the thermophysical properties of a multicomponent synthetic solvent (n-pentane + n-hexane + n-heptane + cyclo-hexane + toluene) and bitumen mixtures within a pressure range extending up to 8.769 MPa and temperatures reaching up to 389 K. This information is of utmost significance in the design, optimization, and simulation of in situ recovery methods. Moreover, the measured properties are crucial in the design of surface processing and transport of diluted bitumen. Empirical relationships are established to determine the thermophysical properties of the studied multicomponent systems. These correlations, yielding average absolute relative deviations (AARD) of 0.36% for density and 8.81% for viscosity, offer simple tools for estimation of these properties in multicomponent systems composed of bitumen and synthetic diluent. Our results illustrate that the utilization of a synthetic diluent for viscosity reduction leads to a corresponding reduction in greenhouse gas emissions and results in significant energy savings. The results hold relevance across a spectrum of applications, spanning solvent-based bitumen recovery processes, surface treatments, and the efficient transportation of bitumen via pipelines.

Substances (5)

Related products
Procduct Name CAS Molecular Formula Supplier Price
Hexane 110-54-3 C6H14 887 suppliers $20.00-$8100.00
Cyclohexane 110-82-7 C6H12 842 suppliers $10.00-$8580.00
Heptane 142-82-5 C7H16 645 suppliers $18.00-$15510.00
Pentane 109-66-0 C5H12 501 suppliers $10.00-$8020.00
ASPHALTUM 8052-42-4 58 suppliers Inquiry

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