Citation: Gu Qing Xiao, Li Ping Long, Jiao Liang Wang. Synthesis of the water-compatible p-acetaminophen resin and its adsorption performances for vanillin in aqueous solution[J]. Chinese Chemical Letters, ;2012, 23(1): 123-126. doi: 10.1016/j.cclet.2011.10.007
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A novel p-acetaminophen resin (named as GQ-1) was synthesized with chloromethylated polystyrene and p-acetaminophen. It can be used without any wetting process. The objective of this work was to study the adsorption performances for vanillin onto GQ-1 with two kinds of the hydrogen bond site of acetamino group and hydroxyl group. The results showed that the adsorption property of vanillin onto GQ-1 was superior to XAD-4, H103, NDA150, and NDA88. The adsorption capacity of vanillin onto GQ-1 is not greatly discrepant until the solution pH is higher than 5.31. The saturated adsorption quantity of vanillin was up to 141.32 mg/mL (wet resin) according to the dynamic adsorption and desorption experiments at 293 K. The resin could be regenerated by 7 BV ethanol.
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Keywords:
- p-Acetaminophen resin,
- Vanillin,
- Adsorption
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