A superwetting stainless steel mesh with Janus surface charges for efficient emulsion separation

Article Engineering, Environmental

Desert beetle-like microstructures bridged by magnetic Fe3O4 grains for enhancing oil-in-water emulsion separation performance and solar-assisted recyclability of graphene oxide

Yong Xu et al.

Summary: Inspired by the water collection and water retention of the Stenocara beetle's back, magnetic graphene oxide composite with beetle-like microstructure was successfully fabricated for efficient demulsification in oil-water separation.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Nanoscience & Nanotechnology

Beyond Superwetting Surfaces: Dual-Scale Hyperporous Membrane with Rational Wettability for Nonfouling Emulsion Separation via Coalescence Demulsification

Jianqiang Wang et al.

Summary: The study focuses on the challenge of membrane fouling in efficient oil/water separation and presents a novel solution by designing a poly(vinylidene fluoride) membrane for continuous nonfouling separation through membrane demulsification.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Engineering, Environmental

An effective and low-consumption foam finishing strategy for robust functional fabrics with on-demand special wettability

Xiaowen Xie et al.

Summary: This paper presents a low liquid-carrying rate superhydrophobic foam finishing method, which utilizes a water-based finishing solution without the need for organic solvents or fluorine-containing materials, leading to savings in solution consumption and the fabrication of multifunctional superhydrophobic fabrics.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Environmental Sciences

Fabrication of superhydrophilic PVDF membranes by one-step modification with eco-friendly phytic acid and polyethyleneimine complex for oil-in-water emulsions separation

Xinjuan Zeng et al.

Summary: The PA@PEI/PVDF membrane exhibited outstanding static and dynamic water stability, and was able to separate multiple oil-in-water emulsions with an average rejection rate exceeding 98.5% and a water flux up to 12203.6 L M-2.h(-1).bar(-1). The membrane showed excellent antifouling performance and recovery capability after four separation-washing cycles, indicating its great potential in practical treatment of emulsified oily wastewater.

CHEMOSPHERE (2021)

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Article Engineering, Environmental

A durable superwetting clusters-inlayed mesh with high efficiency and flux for emulsion separation

Jihao Zuo et al.

Summary: The superwetting copper mesh, embedded with PDA/PEI@CNTs-NH2 clusters, demonstrated high separation efficiency and flux for anionic surfactant-stabilized oil-in-water emulsions, achieving over 99.5% separation efficiency and a flux as high as 3946.3 L m(2) h(-1) driven solely by gravity. The mesh's strong demulsification ability and high permeation flux are attributed to the charge-screening effect of-NH3+ and size sieving effect of optimized pore size, making it promising for sustainable separation of highly stabilized oil/water emulsions.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Environmental

Preparation of a rice straw-based green separation layer for efficient and persistent oil-in-water emulsion separation

Lidong Feng et al.

Summary: An efficient and eco-friendly separation layer was fabricated from rice straw for large-scale oil-in-water emulsion separation, exhibiting superwettability and high electronegativity. The overlapped and intertwined structure of the layer showed excellent performance for CTAB adsorption and oil interception, leading to stable fluxes and low TOC contents in the obtained filtrates. The renewability of the separation layer was demonstrated through multiple cycles with substantial flux recovery, and effective emulsion treatment with a high TOC removal rate was achieved.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Chemical

Asymmetric superwetting stainless steel meshes for on-demand and highly effective oil-water emulsion separation

Lei Qiu et al.

Summary: A novel Janus membrane has been developed for efficient oil-water emulsion separation with excellent performance in terms of wear resistance and adaptability to harsh environments.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Article Engineering, Chemical

Melamine resin-coated lignocellulose fibers with robust superhydrophobicity for highly effective oil/water separation

Lei Kang et al.

Summary: This paper reports a technique for handling oil pollution incidents by modifying lignocellulose fibers, which exhibit excellent superhydrophobic and degradation properties after modification. This method not only points out a new direction for the comprehensive utilization of lignocellulose fibers, but also proposes a promising pathway for the development of oil-water remediation technology.

SEPARATION AND PURIFICATION TECHNOLOGY (2021)

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Article Engineering, Environmental

A multifunctional graphene composite coating with switchable wettability

Hanpeng Gao et al.

Summary: The multifunctional graphene composite coating (MGCC) with switchable wettability, fabricated by simple methods, shows potential advantages in oil-water separation, droplet manipulation, metal corrosion resistance, and anti-icing and deicing abilities.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Green & Sustainable Science & Technology

Recent advances in polysaccharide-based adsorbents for wastewater treatment

Xiaoliang Qi et al.

Summary: This review provides a systematic overview of polysaccharide-based adsorbents for wastewater treatment, including design principles, critical factors influencing adsorption, and future directions. Polysaccharides have advantages such as high adsorption capacity, low cost, renewability, and biodegradability, making them suitable for wastewater treatment applications.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Engineering, Environmental

Janus sand filter with excellent demulsification ability in separation of surfactant-stabilized oil/water emulsions: An experimental and molecular dynamics simulation study

Yuanyang Yan et al.

Summary: The sand filter with Janus channels, prepared by mixing superhydrophilic and superhydrophobic quartz sand, showed better separation performance for surfactant-stabilized oil/water emulsions than traditional filters. It achieved high flux and separation efficiency, demonstrating great potential for practical applications in separating oil/water emulsions.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Integrated asymmetric superwetting Janus membrane for the efficient separation of various surfactant-stabilized oil-water emulsions

Xiuping Chen et al.

Summary: This study successfully constructed a novel Janus membrane that efficiently separates various stable oil-water emulsions with high separation efficiency and flux. The membrane not only performs well in regular environments but also maintains functional surfaces in high concentrations of acid or alkali environments.

ENVIRONMENTAL SCIENCE-NANO (2021)

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Article Chemistry, Physical

Superwetting charged copper foams with long permeation channels for ultrafast emulsion separation and surfactant removal

Jihao Zuo et al.

Summary: The study focused on developing superwetting positively and negatively charged copper foams with long permeation channels for ultrafast separation of oil-in-water emulsions and removal of surfactants. The positively charged foam achieved a separation efficiency of up to 99.64% and a permeation flux of up to 22,636.56 L m(-2) h(-1), while the negatively charged foam achieved a separation efficiency of up to 99.65% and a permeation flux of up to 32,166.32 L m(-2) h(-1). The charged copper foams showed efficient removal ability towards anionic and cationic surfactants, making them a promising candidate for oil/water emulsion separation and surfactant removal.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Engineering, Chemical

Superamphiphilic and underwater superoleophobic membrane for oil/water emulsion separation and organic dye degradation

Zheng Bao et al.

JOURNAL OF MEMBRANE SCIENCE (2020)

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Fabrication of pH-Sensitive Superhydrophilic/Underwater Superoleophobic Poly(vinylidene fluoride)-graft-(SiO2 Nanoparticles and PAMAM Dendrimers) Membranes for Oil-Water Separation

Chenjie Wei et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Hollow fiber membranes with Janus surfaces for continuous deemulsification and separation of oil-in-water emulsions

Hao-Nan Li et al.

JOURNAL OF MEMBRANE SCIENCE (2020)

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Article Engineering, Chemical

Fabrication of hyperbranched polyether demulsifier modified PVDF membrane for demulsification and separation of oil-in-water emulsion

Can Xu et al.

JOURNAL OF MEMBRANE SCIENCE (2020)

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Article Engineering, Chemical

Engineering a superwettable polyolefin membrane for highly efficient oil/water separation with excellent self-cleaning and photo-catalysis degradation property

Ming Wang et al.

JOURNAL OF MEMBRANE SCIENCE (2020)

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Ultrafast separation of oil/water mixtures with layered double hydroxide coated stainless steel meshes (LDH-SSMs)

Yan Xie et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Construction of superhydrophilic hierarchical polyacrylonitrile nanofiber membranes by in situ asymmetry engineering for unprecedently ultrafast oil-water emulsion separation

XiQuan Cheng et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Degradable dual superlyophobic lignocellulosic fibers for high-efficiency oil/water separation

Lei Kang et al.

GREEN CHEMISTRY (2020)

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A durable underwater superoleophobic and underoil superhydrophobic fabric for versatile oil/water separation

Jiahui Chen et al.

CHEMICAL ENGINEERING JOURNAL (2019)

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Switchable Wettability Surface with Chemical Stability and Antifouling Properties for Controllable Oil-Water Separation

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LANGMUIR (2019)

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Durable and Stable MnMoO4-Coated Copper Mesh for Highly Efficient Oil-in-Water Emulsion Separation and Photodegradation of Organic Contaminants

Xinyu Chen et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Simply realizing durable dual Janus superwettable membranes integrating underwater low-oil-adhesive with super-water-repellent surfaces for controlled oil-water permeation

Xiangde Lin et al.

JOURNAL OF MEMBRANE SCIENCE (2019)

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Sustaining fouling resistant membranes: Membrane fabrication, characterization and mechanism understanding of demulsification and fouling-resistance

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Novel pH-Responsive Smart Fabric: From Switchable Wettability to Controllable On-Demand Oil/Water Separation

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Janus membranes with controllable asymmetric configurations for highly efficient separation of oil-in-water emulsions

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A dual functional Janus membrane combining superwettability with electrostatic force for controllable anionic/cationic emulsion separation and in situ surfactant removal

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Facile generation of robust POSS-based superhydrophobic fabrics via thiol-ene click chemistry

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Facile fabrication of hydrogel coated membrane for controllable and selective oil-in-water emulsion separation

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A superwetting stainless steel mesh with Janus surface charges for efficient emulsion separation

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