Scaling mitigation in membrane distillation: From superhydrophobic to slippery

Xiao, Zechun; Li, Zhansheng; Guo, Hong; Liu, Yongjie; Wang, Yanshai; Yin, Huabing; Li, Xuemei; Song, Jianfeng; Nghiem, Long D.; He, Tianbai

doi:10.1016/j.desal.2019.05.006

Cited by 128 publications

(96 citation statements)

References 50 publications

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“…Due to the scaling by NaCl crystals, wetting phenomena could be found on C‐PVDF and MP‐PVDF, but not on CF 4 –MP‐PVDF membranes. Similar results can be also found for CaSO 4 crystals . They speculatively correlate the sliding angle with antiscaling properties of the CF 4 ‐MP‐PVDF surface.…”

Section: Applicationssupporting

confidence: 82%

“…Therefore, it is necessary to understand the membrane scaling behavior of inorganic salts (e.g., NaCl and CaSO 4 ). For instance, Xiao et al designed a superhydrophobic polyvinylidene fluoride membrane with micropillar arrays (MP‐PVDF) . Owing to their simultaneous phase separation during the coagulation, porous structures were clearly observed on the surface of MP‐PVDF.…”

Section: Applicationsmentioning

confidence: 99%

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Advanced Antiscaling Interfacial Materials toward Highly Efficient Heat Energy Transfer

Meng

Wang

2019

Adv Funct Materials

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The energy problem has been a matter of some concern worldwide over the past 20 years. On the opposite side of energy production, energy loss is another crucial problem of current energy due to the low efficiency of heat transfer from scale deposition. However, less attention has been paid on the further development of advanced antiscaling interfacial materials, which may provide promising ways to save energy by reducing scale fouling. Herein, the development of antiscaling strategies is summarized from the basic theories and fabrication methods to antiscaling interfacial materials with potential applications. First, the mechanism of scale formation and the corresponding effect on thermal conductivity are introduced. Second, the typical fabrication approaches of antiscaling interfacial materials are briefly described. Finally, the performance, potential applications, future challenges, and opportunities of the advanced antiscaling interfacial materials are comprehensively discussed.

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Section: Applicationssupporting

confidence: 82%

Section: Applicationsmentioning

confidence: 99%

Advanced Antiscaling Interfacial Materials toward Highly Efficient Heat Energy Transfer

Meng

Wang

2019

Adv Funct Materials

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“…Until very recently, we observed that a superhydrophobic membrane surface could behave in practice differently as previously assumed and described from a thermodynamic point [35,58]. A novel concept of slippery surface was proposed as a hydrodynamic measure for scaling resistance [58]. Based on Navier's model, it is suggested that the flow velocity at the water-air-solid triple-phase interface for a hydrophobic membrane is above zero [58,59].…”

Section: Introductionmentioning

confidence: 99%

Unprecedented scaling/fouling resistance of omniphobic polyvinylidene fluoride membrane with silica nanoparticle coated micropillars in direct contact membrane distillation

Xiao

Guo

et al. 2020

Journal of Membrane Science

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“…Although the formation of homogenous nucleation depends on the characteristics of feed water, the main challenge of scaling is formation of heterogonous nucleation that attach to the membrane surface and gather homogenous silica scales and increase the volume of scales on the surface. For this reason, different studies were carried out to decrease the side effect of scale formation by enhancement of membrane surface geometry and structure to decrease slippery angle of the membrane, which directly cause decrease in formation and attachment of heterogeneous nucleation on the membrane surface [141,142].…”

Section: Scaling Problem In Janus Membranementioning

confidence: 99%

Janus membranes for membrane distillation: Recent advances and challenges

Afsari

Shon

Tijing

2021

Advances in Colloid and Interface Science

101

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Membrane distillation (MD) is a promising hybrid thermal-membrane separation technology that can efficiently produce freshwater from seawater or contaminated wastewater.However, the relatively low flux and the presence of fouling or wetting agents in feed solution negate the applicability of MD for long term operation. In recent years, 'two-faced' membranes or Janus membranes have shown promising potential to decrease wetting and fouling problem of common MD system as well as enhance the flux performance. In this review, a comprehensive study was performed to investigate the various fabrication, modification, and novel design processes to prepare Janus membranes and discuss their performance in desalination and wastewater treatment utilizing MD. The promising potential, challenges and future prospects relating to the design and use of Janus membranes for MD are also tackled in this review.

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Scaling mitigation in membrane distillation: From superhydrophobic to slippery

Cited by 128 publications

References 50 publications

Advanced Antiscaling Interfacial Materials toward Highly Efficient Heat Energy Transfer

Advanced Antiscaling Interfacial Materials toward Highly Efficient Heat Energy Transfer

Unprecedented scaling/fouling resistance of omniphobic polyvinylidene fluoride membrane with silica nanoparticle coated micropillars in direct contact membrane distillation

Janus membranes for membrane distillation: Recent advances and challenges

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