Abstract
Forward osmosis (FO) has played an important role in alleviating the problems caused by freshwater shortage and water contamination in recent years. However, issues of low water permeability, reverse solute diffusion, concentration polarization and membrane fouling are still widely present in FO processes. These challenges are the current research focus in exploring novel FO membranes. Fabricating FO membranes from chemically modified commercial polymers is a relatively novel approach and has proven effective in obtaining appropriate FO membranes. This paper focuses on the progress of FO membranes made specially from chemically modified polymer materials. First of all, a brief overview of commercial polymers commonly used for FO membrane fabrication is provided. Secondly, the chemical modification strategies and synthesis routes of novel polymer materials as well as the resultant FO membrane performance are presented. The strengths and weaknesses of chemical modifications on polymer materials are assessed. Then, typical FO applications facilitated by the FO membranes made from modified polymer materials are exemplified. Finally, challenges and future directions in exploring novel polymers through chemical modifications for FO membrane fabrication are highlighted. This review may provide new insights into the future advancement of both novel membrane materials and FO membranes.
Acknowledgments
We thank for financial support from the National Natural Science Foundation of China (NSFC) (grant no.: 21677035), the Natural Science Foundation of Fujian Province (grant no.: 2016J01056) and Fuzhou University (grant no.: XRC-1259).
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Articles in the same Issue
- Frontmatter
- In this issue
- Advances in fixed-bed reactor modeling using particle-resolved computational fluid dynamics (CFD)
- Synthetic polymer materials for forward osmosis (FO) membranes and FO applications: a review
- Superhydrophobic membrane: progress in preparation and its separation properties
- Iron oxide-based catalysts for low-temperature selective catalytic reduction of NOx with NH3
- Extraction, characterization and biological activity of citrus flavonoids
- Microgels as efficient adsorbents for the removal of pollutants from aqueous medium
Articles in the same Issue
- Frontmatter
- In this issue
- Advances in fixed-bed reactor modeling using particle-resolved computational fluid dynamics (CFD)
- Synthetic polymer materials for forward osmosis (FO) membranes and FO applications: a review
- Superhydrophobic membrane: progress in preparation and its separation properties
- Iron oxide-based catalysts for low-temperature selective catalytic reduction of NOx with NH3
- Extraction, characterization and biological activity of citrus flavonoids
- Microgels as efficient adsorbents for the removal of pollutants from aqueous medium