Crystalline Modified Polylactic Acid/Multi-Wall Carbon Nanotubes Composite Fibrous Membrane and Their Applications in Oil-Water Separation

Mo, Jinpeng; Wang, Ying; Lin, Ji; Ke, Yuemei; Zhou, Chun Hui; Wang, Jingrong; Wen, Junxian; Ge, Feng; Wang, Lihuan; Ma, Siwei

doi:10.2139/ssrn.4375501

Cited by 1 publication

(2 citation statements)

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“…11,12 Compared with the biodegradation, chemical coagulation, combustion method, and gravity sedimentation, [13][14][15] membrane separation displaying the merits in convenient operation, environmentally friendly, and high separation efficiency has become an effective strategy in oil-water separation and spilled-oil recovery in recent years. [16][17][18][19][20][21][22] However, the practical wastewater usually contains complex compositions, such as different types of oils, organic pollutants, heavy metal residues, antibiotics, and bacteria. The single function of separation membrane cannot meet their requirements of practical wastewater purification.…”

Section: Introductionmentioning

confidence: 99%

“…The organic polluting wastewater also causes a serious of problems in environmental pollution and economic loss 5–10 and poses a big threat to the ecological environment 11,12 . Compared with the biodegradation, chemical coagulation, combustion method, and gravity sedimentation, 13–15 membrane separation displaying the merits in convenient operation, environmentally friendly, and high separation efficiency has become an effective strategy in oil–water separation and spilled‐oil recovery in recent years 16–22 . However, the practical wastewater usually contains complex compositions, such as different types of oils, organic pollutants, heavy metal residues, antibiotics, and bacteria.…”

Section: Introductionmentioning

confidence: 99%

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A ternary composite hydrophilic electrospinning membrane containing Au for fast oil–water separation and antibiotics degradation

Qi,

Gao,

et al. 2024

J of Applied Polymer Sci

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Water pollution from industrial wastewater and oil spills, which threat marine lives and mankind continually have turned into one of the most severe challenges in worldwide due to the fast development of global industrialization and human activities. Various water‐treatment methods have been developed to solve the problems. However, these processes are often complicated and costly, making them fail to address the complicate water environment. Herein, a visible light‐responsive Au‐BiOCl/TiO2/PAN composite membrane with hydrophilic surface was prepared by combing electrospinning with solvothermal method. The composite membranes can efficiently separate emulsions with the highest flux of 50.16 L m−2 h−1 and oil/water mixtures (the highest flux was 4777.07 L m−2 h−1 bar−1). Moreover, the membranes can rapidly degrade antibiotics with an excellent degradation rate (95.70% in 60 min) under the visible light. Additionally, they can simultaneously degrade organic dye and separate oil/water emulsions under a gravity condition. It is expected that composite membranes will be an attractive candidate for complex wastewater treatment.

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