A. V. Kosach, M. N. Kravchenko, V. K. Korolev, E. A. Novikov, I. N. Grishina, R. Z. Safieva
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A New Method for Monitoring the Stability of Asphaltene-Containing Disperse Systems
The stability index of petroleum disperse systems can be calculated using continuous scanning of the optical profile of the asphaltene precipitation, taking into account the induction period of the asphaltene particle aggregation under the preset external conditions. Modification of the ASTM D7061 procedure allows taking into account the induction period of the asphaltene aggregation and different aggregation mechanisms (diffusion- and reaction-limited aggregation). This opens prospects for improving the procedures for express analysis of asphaltene-containing dispersions in the future. The control of the stability of asphaltene-containing systems is the base element for developing of a mathematical model of the kinetics of chemical processes occurring in a stratum, pipeline, or reactor.
期刊介绍：
Petroleum Chemistry (Neftekhimiya), founded in 1961, offers original papers on and reviews of theoretical and experimental studies concerned with current problems of petroleum chemistry and processing such as chemical composition of crude oils and natural gas liquids; petroleum refining (cracking, hydrocracking, and catalytic reforming); catalysts for petrochemical processes (hydrogenation, isomerization, oxidation, hydroformylation, etc.); activation and catalytic transformation of hydrocarbons and other components of petroleum, natural gas, and other complex organic mixtures; new petrochemicals including lubricants and additives; environmental problems; and information on scientific meetings relevant to these areas.
Petroleum Chemistry publishes articles on these topics from members of the scientific community of the former Soviet Union.
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