alexa Chemical destabilization of oil-in-water emulsion by novel polymerized diethanolamines.
Environmental Sciences

Environmental Sciences

Journal of Petroleum & Environmental Biotechnology

Author(s): Hafiz AA, ElDin HM, Badawi AM

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Abstract The main objective of this study was to synthesize novel demulsifiers for resolving oil-in-water emulsions. Diethanolamine polyethers are considered as a cationic polymer type. The study describes an improved synthesis of a series of diethanolamine polyethers via condensation of 3-7 or 9 mol of diethanolamine. The structure and the molecular weights of the major components in the reaction mixture were confirmed via IR and MS analyses. The demulsifiers were used for treatment of pollution in the refinery wastewater with or without FeCl3. The flocculation efficiency of the synthesized demulsifiers was determined by turbidity measurement of the treated and untreated O/W emulsion in the Cairo Oil Refinery Company. The critical flocculation concentration (CFC) and charge density of the synthesized demulsifiers were determined. Biodegradation of diethanolamine polyethers was measured in river water within 7-8 days. This article was published in J Colloid Interface Sci and referenced in Journal of Petroleum & Environmental Biotechnology

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