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Chemical demulsifiers are commonly applied to demulsify stable crude oil/water emulsions formed during production, extraction and transportation. The present work was carried out using a new demulsifying agent based on natural Alginite, a crude oil shale from Hungary. A model W/O emulsion, which was stable over 2 months, was prepared from 50 wt.-% crude oil (Brent type) and 50 wt.-% of brine. This...
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