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The main objective of this work was to investigate the effect of water content in crude oil emulsions upon the microwave demulsification process. The microwave heating properties were examined for samples of neat water, neat oil and W/O emulsions with volume fractions of water ϕ ranging from 0.04 to 0.77. The observed changes in initial heating rates correlated with structural transformations in the...
It is conventionally assumed that refractive index (RI) for a crude oil, a processed fuel or any petroleum-based solution may be evaluated in an assumption of an ideal binary mixture of non-precipitating components. However, new experimental data reveal strong non-ideality of RI in dilute oil solutions, which we attribute to de-aggregation of asphaltenes.
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