Recent developments in the application of membrane separation technology and its challenges in oil-water separation: A review

Li, Bingfan; Qi, Bo; Guo, Ziyuan; Wang, Dongxu; Jiao, Tifeng

doi:10.1016/j.chemosphere.2023.138528

Cited by 89 publications

(14 citation statements)

References 105 publications

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“…Inorganic pores and fractures are dominantly significant in the shale oil generation window, and organic pores are significant in the shale gas generation window. Several investigations have been performed on the role of the mineral-hosted pore-fracture network and microscopic mechanism of the liquid hydrocarbon storage in these in lower-thermal-maturity, lacustrine shale. ,,− Recently, it has been shown that inorganic minerals can host abundant pore-fracture networks during deposition to burial as overburden stress and diagenesis increase . Loucks et al suggested that rigid mineral particle skeleton support, mechanical compaction, and later dissolution strongly control the inorganic pore-fracture formation and development.…”

Section: Shale Oil Storage Within Lower-thermal-maturity Lacustrine S...mentioning

confidence: 99%

Multi-Scale and Multi-Dimensional Imaging of Mineral Matrix Pore-Fracture Networks in Lower-Thermal-Maturity Lacustrine Shale: Examples from the Paleogene Shahejie Formation, Bohai Bay Basin

Zhao²,

Wen

et al. 2023

Energy Fuels

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The pore-fracture network within shale significantly controls the microscopic storage of hydrocarbons. The Paleogene lacustrine Shahejie Formation of Bohai Bay Basin represents an outstanding lower-thermal-maturity example of a mineral matrix pore-fracture system. Recent studies have shown that most pores in Shahejie shale detectable by high-resolution electron microscopy are associated with an inorganic mineral matrix instead of organics. However, because of the lack of both qualitative and quantitative data on nanometer to micrometer scales, such microstructures have limited the ability to predict hydrocarbon storage feature. Representative Shahejie shale samples come from the Well F39X1 to investigate the pore-fracture network using a synergistic multiscale multi-dimensional workflow by field emission scanning electron microscopy, multi-scale CT, and FIBSEM. Investigations in both 2D and 3D and across cm−mm−μm−nm length scales indicate heterogeneity at every scale and dimensions. From 2D SEM images, clay flake-hosted interparticle pores, rigid grain-hosted interparticle pores, intraparticle dissolution pores, grain-rim microfractures, intragranular microfractures, and matrix microfractures are identified with varying numbers, sizes, and geometries. Large field-of-view 2D scanning electron microscopy images were also used to quantitatively and statistically study the abundance and size of pores and fractures. Using multi-scale CT techniques, pores and fractures from centimeter to nanometer scales were observed with preferential propagation along the mineral aggregate-rich laminations, resulting in an interconnected pore-fracture network. Using FIBSEM, the mineral/organic particles and their related pore phases were visualized, quantitatively computing the pore size and abundance. The visual results suggest that the mineral matrix pore-fracture network in lacustrine Shahejie Formation plays a key role as the liquid hydrocarbon storage space. The application of these techniques to the lower-thermal-maturity shale reservoirs provides important insights into estimating and visualizing rock microstructural heterogeneity and preliminarily establishing a liquid hydrocarbon microscopic storage model.

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Section: Shale Oil Storage Within Lower-thermal-maturity Lacustrine S...mentioning

confidence: 99%

Multi-Scale and Multi-Dimensional Imaging of Mineral Matrix Pore-Fracture Networks in Lower-Thermal-Maturity Lacustrine Shale: Examples from the Paleogene Shahejie Formation, Bohai Bay Basin

Zhao²,

Wen

et al. 2023

Energy Fuels

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“…Conventional approaches can be expensive, difficult to handle, and might even lead to higher levels of pollution . Therefore, new methods and technologies are required to deal with oil/water emulsions. – …”

Section: Introductionmentioning

confidence: 99%

Highly Permeable Sulfonated Polydopamine Integrated MXene Membranes for Efficient Surfactant-Stabilized Oil-in-Water Separation

Baig,

Khan,

Salhi

et al. 2023

Langmuir

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MXene is an incredibly promising two-dimensional material with immense potential to serve as a high-performing separating or barrier layer to develop advanced membranes. Despite the significant progress made in MXene membranes, two major challenges still exist: (i) effectively stacking MXene nanosheets into defect-free membranes and (ii) the high fouling tendency of MXene-based membranes. To address these issues, we employed sulfonated polydopamine (SPD), which simultaneously serves as a binding agent to promote the compact assembling of Ti3C2T x MXenes (MX) nanosheets and improves the antifouling properties of the resulting sulfonated polydopamine-functionalized MX (SPDMX) membranes. The SPDMX membrane was tested for challenging surfactant-stabilized oil-in-water separation with an impressive efficiency of 98%. Moreover, an ultrahigh permeability of 1620 LMH/bar was also achieved. The sulfonation of PD helps in improving the antifouling characteristics of SPDMX by developing a strong hydration layer and enhancing the oleophobicity of the membrane. The underwater SPDMX membrane appeared superoleophobic with an oil contact angle of 153°, whereas the ceramic membrane exhibited an oil contact angle of 137°. The SPDMX membranes showed an improved flux recovery (31%) compared to the nonsulfonated counterpart. This work highlights the appropriate functionalization of MXene as a promising approach to developing MXene membranes with high permeation flux and better antifouling characteristics for oily wastewater treatment.

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“…Membrane separation techniques have been developed and considered as an effective technique for oil/water emulsion separation due to their environmental friendliness, cost-effectiveness, and high separation efficiency. , Nevertheless, pressure-driven oil/water separation membranes are often affected by fouling caused by heterogeneous particles deposited on the membrane surface, such as inorganic ions or salt deposits. , It can significantly reduce the performance of membrane separation and shorten the membrane lifetime. Effective methods for mitigating membrane fouling include regulating the mass transfer of the feed solution into the membrane modules, enhancing membrane cleaning procedures, and developing membranes with improved fouling resistance .…”

Section: Introductionmentioning

confidence: 99%

Dynamics of Droplet Coalescence on Hydrophobic Fibers in Oil: Morphology and Liquid Bridge Evolution

Li¹,

Tan

Liu³

et al. 2023

ACS Omega

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Although droplet self-jumping on hydrophobic fibers is a well-known phenomenon, the influence of viscous bulk fluids on this process is still not fully understood. In this work, two water droplets’ coalescence on a single stainless-steel fiber in oil was investigated experimentally. Results showed that lowering the bulk fluid viscosity and increasing the oil–water interfacial tension promoted droplet deformation, reducing the coalescence time of each stage. While the total coalescence time was more influenced by the viscosity and under-oil contact angle than the bulk fluid density. For water droplets coalescing on hydrophobic fibers in oils, the expansion of the liquid bridge can be affected by the bulk fluid, but the expansion dynamics exhibited similar behavior. The drops begin their coalescence in an inertially limited viscous regime and transition to an inertia regime. Larger droplets did accelerate the expansion of the liquid bridge but had no obvious influence on the number of coalescence stages and coalescence time. This study can provide a more profound understanding of the mechanisms underlying the behavior of water droplet coalescence on hydrophobic surfaces in oil.

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Recent developments in the application of membrane separation technology and its challenges in oil-water separation: A review

Cited by 89 publications

References 105 publications

Multi-Scale and Multi-Dimensional Imaging of Mineral Matrix Pore-Fracture Networks in Lower-Thermal-Maturity Lacustrine Shale: Examples from the Paleogene Shahejie Formation, Bohai Bay Basin

Multi-Scale and Multi-Dimensional Imaging of Mineral Matrix Pore-Fracture Networks in Lower-Thermal-Maturity Lacustrine Shale: Examples from the Paleogene Shahejie Formation, Bohai Bay Basin

Highly Permeable Sulfonated Polydopamine Integrated MXene Membranes for Efficient Surfactant-Stabilized Oil-in-Water Separation

Dynamics of Droplet Coalescence on Hydrophobic Fibers in Oil: Morphology and Liquid Bridge Evolution

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