Polyurethane membrane with a cyclodextrin-modified carbon nanotube for pervaporation of phenol/water mixture
-
Hong Ye
,
Yu Wang
Abstract
Polyurethane (PU) membrane has great potential in pervaporation recovery of phenol from water. In order to improve the permeability of the membrane, cyclodextrin was attached onto carboxylic and hydroxylate carbon nanotubes (CNTs) by physical and chemical methods, with which modified CNTs/PU membranes were prepared. The results showed that the addition of modified CNTs greatly increases the permeability and comprehensive performance of PU membranes in the pervaporation separation of a phenol/water mixture. With 0.5% phenol content in feed at 80°C, the flux and pervaporation separation index of blank PU are 6.10 and 324 kg·μm·m−2·h−1, while those of chemically modified carboxylic CNTs/PU membranes are 156.1 and 655.8 kg·μm·m−2·h−1, respectively.
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 20906001
Funding statement: The authors gratefully acknowledge the financial support provided by Beijing Natural Science Foundation (L140009), the Importation and Development of High-Caliber Talents Project of Beijing Municipal Institutions (CIT&TCD201404032) and the National Natural Science Foundation of China (no. 20906001).
Acknowledgments
The authors gratefully acknowledge the financial support provided by Beijing Natural Science Foundation (L140009), the Importation and Development of High-Caliber Talents Project of Beijing Municipal Institutions (CIT&TCD201404032) and the National Natural Science Foundation of China (no. 20906001).
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©2017 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original articles
- Preparation of epoxy/acrylonitrile-butadiene-styrene copolymer/short carbon fiber composites with a self-made conical mixer
- Preparation and characterization of poly (amide-ester-imide)/Na+-MMT nanocomposite via ultrasonic method
- Polyurethane membrane with a cyclodextrin-modified carbon nanotube for pervaporation of phenol/water mixture
- Fabrication of chitosan/PEO nanofiber mats with mica by electrospinning
- Effect of cooling induced crystallization upon the properties of segmented thermoplastic polyurethanes
- Conductivity and dielectric analysis of nanocolloidal polypyrrole particles functionalized with higher weight percentage of poly(styrene sulfonate) using the dispersion polymerization method
- Mechanism and solutions of appearance defects on microfluidic chips manufactured by UV-curing assisted injection molding
- Effect of gas counter pressure on shrinkage and residual stress for injection molding process
- Ablation and mechanical investigation of heat vulcanizing silicone rubber (HVSR) composite containing carbon fibers
- Cavitation desulfurization in vulcanized rubber recycling under ultra-high pressure water jet
Articles in the same Issue
- Frontmatter
- Original articles
- Preparation of epoxy/acrylonitrile-butadiene-styrene copolymer/short carbon fiber composites with a self-made conical mixer
- Preparation and characterization of poly (amide-ester-imide)/Na+-MMT nanocomposite via ultrasonic method
- Polyurethane membrane with a cyclodextrin-modified carbon nanotube for pervaporation of phenol/water mixture
- Fabrication of chitosan/PEO nanofiber mats with mica by electrospinning
- Effect of cooling induced crystallization upon the properties of segmented thermoplastic polyurethanes
- Conductivity and dielectric analysis of nanocolloidal polypyrrole particles functionalized with higher weight percentage of poly(styrene sulfonate) using the dispersion polymerization method
- Mechanism and solutions of appearance defects on microfluidic chips manufactured by UV-curing assisted injection molding
- Effect of gas counter pressure on shrinkage and residual stress for injection molding process
- Ablation and mechanical investigation of heat vulcanizing silicone rubber (HVSR) composite containing carbon fibers
- Cavitation desulfurization in vulcanized rubber recycling under ultra-high pressure water jet
