Kolsum Azizi - Corresponding Author’s Address: ۴۲۴ Hafez Ave, Tehran, Iran, ۱۵۸۷۵-۴۴۱۳
Manouchehr Nikazar - Corresponding Author’s Address: ۴۲۴ Hafez Ave, Tehran, Iran, ۱۵۸۷۵-۴۴۱۳

Chemical demulsification is most famously applied in waste water treatment technology. In this method a chemical additives is used to accelerate the emulsion breaking. In this paper, emulsion stability characterized and observed that it depend on emulsification time and crude oil to water ratio. A set of experiments performed to study the effect of type of demulsifier, concentration of demulsifier and temperature on breaking of emulsion. Under specific condition, more than %70 separation was obtained.

Oil in Water emulsion, Emulsification, Chemical Demulsification, Demulsifier