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  • Dynamic demulsification of oil-in-water emulsions with
    Dynamic demulsification of oil-in-water emulsions with

    Jan 01, 2021 Jan 01, 2021 Generally, the water content in O/W emulsions is an important factor affecting fluid’s rheology and demulsification results. The O/W emulsions with the water content of 80 vol% and 90 vol% were demulsified, and the results were presented in Fig. 6. The O/W emulsions with higher water content have smaller oil droplet diameter values in this

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  • (PDF) Demulsification of Water-in-Crude Oil (W/O)
    (PDF) Demulsification of Water-in-Crude Oil (W/O)

    Abstract and Figures. This study was conducted to examine a batch microwave process of 2450 MHz in demulsification of water-oil- (w/o) emulsions as well as the effect of triton X-100 and Low

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  • Effective treatment of emulsified oil wastewater by the
    Effective treatment of emulsified oil wastewater by the

    Dec 05, 2018 The coagulation–microbubble flotation device could efficiently demulsify and degrease the emulsified oil wastewater with pH of 6.7–6.9, flow rate of 0.250 m 3 h −1, and oil content of 3000–5000 ppm. The resulting COD and turbidity in the treated effluent after coagulation–flotation process were 30–60 mg L −1 and 100–120 NTU

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  • Electrostatic Demulsification on Crude Oil: A State-of-the
    Electrostatic Demulsification on Crude Oil: A State-of-the

    Dec 05, 2006 Dec 05, 2006 Nowadays, possible separation methods of water-in-oil (W/O) emulsions include gravity or centrifugal settling, thermal treatment, chemical demulsification, pH adjustment, electrostatic demulsification, freeze/thaw method, filtration, membrane separation, microwave radiation and ultrasonic energy etc

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  • Electrochemical coagulation for oily water demulsification
    Electrochemical coagulation for oily water demulsification

    The optimal demulsification performance of O/W emulsion was obtained at the voltage of 500 V, frequency of 50 Hz, duty cycle of 40% and the emulsion conductivity of 2 μs/cm, and the oil content

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  • Evaluation of a novel ionic demulsifier in the treatment
    Evaluation of a novel ionic demulsifier in the treatment

    Demulsification is the process of breaking emulsions by weakening the viscoelastic films techniques surrounding the dispersed water droplets, thus enhancing coalescence. The emulsifier at the interface is replaced with the demulsifier destroying the stable film surrounding the water droplets. The removal of impurities, salt and

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  • A treatment of oily waste water by electrocoagulation
    A treatment of oily waste water by electrocoagulation

    99% demulsification. Electrical energy consumption (E.C) in k.W.h/m3 of the treated effluent was calculated from the formula: Where, E is the cell voltage, I is the cell current and Q is the volume of solution treated/hour. Electrical energy consumption was calculated for 99% demulsification of initial oil concentration of 500 ppm, under

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  • SPE
    SPE

    The W/O emulsion containing 7% CFA displayed the highest performance with demulsification efficiency (DE) of 96.67%. Demulsification–comparison test results between CFA and a commercial demulsifier (poloxamer 407) using the same concentration and under room temperature showed that CFA was capable of separating water better than this

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  • US20040031742A1 - Methods and apparatus for oil
    US20040031742A1 - Methods and apparatus for oil

    Methods and apparatus for demulsifying oil in water by dilution and impact, and for separation of the oil and suspended solids by dissolved gas floatation, are described. A produced water treating system is also described. The produced water treating system may include a dissolved gas floatation clarifier system, an oil demulsification system, and a separation system

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  • Processes | Free Full-Text | An Overview of Recent
    Processes | Free Full-Text | An Overview of Recent

    For efficient demulsification, a centrifugal contactor can be combined with a gravity settling tank, as reported by Krebs et al. , who investigated the kinetics of demulsification of a model O/W emulsion using a centrifugal field to mimic the force acting on emulsion droplets in O/W separators. The main focus of the study was the growth rate of

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  • centrifugation | SPE
    centrifugation | SPE

    Current Filters. centrifugation Source

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  • (PDF) Experimental analysis of chemical demulsification of
    (PDF) Experimental analysis of chemical demulsification of

    924 Lodz, Poland, [email protected] EXPERIMENTAL ANALYSIS OF CHEMICAL DEMULSIFICATION OF CUTTING OIL. Abstract. The wastewate r produced by the metal industry is often present in the

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  • SPE DISTINGUISHED LECTURER SERIES
    SPE DISTINGUISHED LECTURER SERIES

    Demulsification Breaking of a crude oil emulsion into oil and water phases From a process point of view: Rate or speed of separation Residual water in oil Residual oil in water Oil should not contain more that 0.2% BS&W and 10 PTB salt Water should contain less than 100 ppm of oil

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