Experimental investigation of the parameters that affect droplet size and distribution for design calculations of two-phase separators

Pun, Kul; Hamad, Faik; Ahmed, Tariq; Ugwu, Johnson; Najim, Safa A.; Eyers, James; Lawson, Gary; Russell, Paul

doi:10.1016/j.heliyon.2023.e15397

Cited by 5 publications

(3 citation statements)

References 11 publications

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“…Depending on their sizes, water droplets exhibit different sedimentation times. 6 In this domain, various advanced approaches have been developed to enhance the separation of emulsion phases. These methods encompass the utilization of mechanical forces, 7 thermal techniques, 8 microwave irradiation, 9 electrostatic forces, 10 chemical agents, 11 composite adsorption, 12,14 demulsifying agents, 13 and membrane filtration 15−17 as effective means to optimize emulsion phase separation.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Various techniques are employed for oil–water separation, including external forces, self-induction, gravity forces, and buoyancy forces. − In gravity separator setups, the sedimentation time and residence velocity of water droplets are closely related. Depending on their sizes, water droplets exhibit different sedimentation times . In this domain, various advanced approaches have been developed to enhance the separation of emulsion phases.…”

Section: Introductionmentioning

confidence: 99%

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Innovative Method for Water-in-Oil Emulsion Treatment Using Atmospheric Nonthermal-Plasma Technology

Mir,

Kooshki

2023

Langmuir

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The field of plasma−liquid interactions is rapidly growing, with increasing publications across applications. While plasma's interactions with water and oil have been researched, there is a notable gap in the study of plasma−emulsion interactions and their practical applications. Investigating plasma−emulsion interactions offers a dual advantage, as demonstrated in this study, as it is applicable to both water/oil separation and emulsion stabilization processes. This study introduces a groundbreaking approach utilizing the fountain dielectric barrier discharge (FDBD) plasma reactor. The reactor exposes a model emulsion to different plasma gases, such as air, nitrogen, argon, and ammonia, along with varying parameters of plasma input voltage and treatment time. Consequently, due to demulsification, the emulsion segregates into distinct water and oil phases. Remarkably, the results demonstrate that short-term plasma treatment leads to the separation of over 99% of emulsified water. However, prolonged exposure to plasma for around 7 min reveals a decrease in the volume of freeseparated water, implying the occurrence of stable emulsion formation instead of further demulsification. To optimize experimental conditions for compliance with regulatory requirements, the study employs the response surface methodology (RSM). Adapting pH and separation contours in three-dimensional (3D) RSM plots shows that achieving higher separation is likely associated with higher pH levels in air, nitrogen, and argon plasmas. Notably, the plasma treatment involving ammonia gas elevates the pH level and yields the highest degree of separation compared with air, nitrogen, or argon plasmas.

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Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Innovative Method for Water-in-Oil Emulsion Treatment Using Atmospheric Nonthermal-Plasma Technology

Mir,

Kooshki

2023

Langmuir

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“…Experimental tests are carried out to confirm the numerical results and evaluate the performance and efficiency of these separators [34]. The separation efficiency test, which measures a separator's capacity to successfully separate oil and gas, is the most significant test that must be performed during an experimental test campaign [35].…”

Section: Introductionmentioning

confidence: 99%

Experimental Validation of the Numerical Model for Oil–Gas Separation

Tomescu,

Mălăel,

Conțiu

et al. 2023

Inventions

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The oil and gas sector is important to the global economy because it covers the exploration, production, processing, transportation, and distribution of oil and natural gas resources. Despite constant innovation and development of technologies to improve efficiency, reduce environmental impact, and optimize operations in the gas and oil industry over the last few decades, there is still room to increase the efficiency of the industry’s equipment in order to reduce its carbon footprint. The separation of gas from oil is a critical stage in the technological production chain, and it is carried out using high-performance multi-phase separators to limit greenhouse gas emissions and have a low impact on the environment. In this study, an improved gas–oil separator configuration was established utilizing CFD techniques. Two separator geometry characteristics were studied. Both cases have the same number of subdomains, two porous media, and four fluid zones, but with a difference in the pitch of the cyclone from the inlet subdomain. The streamlines in a cross-plan of the separator and the distribution of the oil volume fraction from the intake to the outlet were two of the numerical results that were shown as numeric outcomes. The validation of these results was performed using an experimental testing campaign that had the purpose of determining the amount of lubricating oil that is discharged together with the compressed gas at the separator outlet.

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Experimental measurements on the microbubble characteristics and dissolved oxygen (DO) in water using single and twin-Venturi type microbubble generators

Hamad,

Pun,

Alessio

et al. 2023

Chemical Engineering Science

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Experimental investigation of the parameters that affect droplet size and distribution for design calculations of two-phase separators

Cited by 5 publications

References 11 publications

Innovative Method for Water-in-Oil Emulsion Treatment Using Atmospheric Nonthermal-Plasma Technology

Innovative Method for Water-in-Oil Emulsion Treatment Using Atmospheric Nonthermal-Plasma Technology

Experimental Validation of the Numerical Model for Oil–Gas Separation

Experimental measurements on the microbubble characteristics and dissolved oxygen (DO) in water using single and twin-Venturi type microbubble generators

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