E. E. Barskaya, Yu. M. Ganeeva, E. S. Okhotnikova, T. N. Yusupova, G. R. Fazylzyanova
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Conditions of the Formation of Stable Water–Petroleum Emulsions in the Presence of Clay Particles
The conditions of the formation of stable water–petroleum emulsions stabilized by clay particles were studied. The effect of unmodified and modified montmorillonite on the emulsion stabilization was studied for model systems consisting of pure toluene and distilled water. The clay particles were modified with resin–asphaltene components of the crude oil from the Romashkino oilfield. The influence exerted by the degree of modification and concentration of clay particles on the stability of water–petroleum emulsions was revealed. The degree of modification was estimated from the IR spectra. The resin–asphaltene components modify the surface of clay particles. The degree of modification increases with an increase in the modification time and concentration of petroleum components. Stable emulsion samples were obtained with modified clay particles. The toluene phase in these emulsions is stabilized by clay microparticles, which is characteristic of Pickering emulsions.
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.