2019
DOI: 10.1002/pat.4543
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Preparation of PSSS‐grafted polysulfone microfiltration membrane and its rejection and removal properties towards heavy metal ions

Abstract: 3‐Hydroxy‐N,N‐diethylaniline (HDEA) as a tertiary aromatic amine was introduced onto the surface of chloromethylated polysulfone (CMPSF) microfiltration membrane through modification reaction, resulting in the modified membrane PSF‐DEA. A redox surface‐initiating system (DEA/APS) was constituted by the bonded tertiary aromatic amine group DEA and ammonium persulfate (APS) in aqueous solution, and so, the free radicals formed on the membrane initiated sodium p‐styrenesulfonate (SSS) as an anionic monomer to pro… Show more

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Cited by 11 publications
(2 citation statements)
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“…[9][10][11] Therefore, removing these heavy metal ions is an important part of solving water pollution. People have developed various strategies to remove heavy metal ions from polluted water such as chemical precipitation method, [12] ion exchange, [13][14][15][16] flocculation, [17] filtration, [18][19][20] and membrane separation. [21,22] However, especially in the case of trace concentrations, these strategies are limited by high costs and even inefficient in removing certain heavy metal ions.…”
Section: Introductionmentioning
confidence: 99%
“…[9][10][11] Therefore, removing these heavy metal ions is an important part of solving water pollution. People have developed various strategies to remove heavy metal ions from polluted water such as chemical precipitation method, [12] ion exchange, [13][14][15][16] flocculation, [17] filtration, [18][19][20] and membrane separation. [21,22] However, especially in the case of trace concentrations, these strategies are limited by high costs and even inefficient in removing certain heavy metal ions.…”
Section: Introductionmentioning
confidence: 99%
“…Among the various separation membranes, ultrafiltration (UF) membranes show unique advantages in terms of the rapid removal of colloid particles, macromolecular protein, viruses, and bacteria [4][5][6]. The polysulfone (PSf) matrix membranes are commonly used for UF membranes, as well as support membranes for microfiltration, nanofiltration and reverse osmosis, due to their strong mechanical properties, thermal and chemical stability [7][8][9][10]. However, the PSf matrix UF membranes' intrinsic hydrophobic nature makes it easy to adhere to protein and bacteria, which leads to membrane fouling [11][12][13].…”
Section: Introductionmentioning
confidence: 99%