Facile synthesis of nanoporous hydroquinone/catechol formaldehyde resins and their highly selective, efficient and regenerate reactive adsorption for gold ions

Shaozhong Zeng, Limin Guo, Lingxia Zhang, Fangming Cui, Jian Zhou, Zhe Gao, Yu Chen, Jianlin Shi

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

We present a new type of nanoporous hydroquinone/catechol formaldehyde resin synthesized by a one-pot route, with a surface area of up to 1 112m 2 . g-1. The resins show highly efficient reactive adsorption for silver/gold (silver adsorbance up to 2.43 g . g-1) and excellent selectivity for gold (Kd is as high as 1 914 090mL. g -1). The first-used resins can be regenerated with NaHSO3, and the gold capacities of the recycled PCFR and PHFR reach 44 and 78% of their first loading capacities, respectively.

Original languageEnglish
Pages (from-to)845-853
Number of pages9
JournalMacromolecular Chemistry and Physics
Volume211
Issue number8
DOIs
StatePublished - 15 Apr 2010
Externally publishedYes

Keywords

  • Hypercrosslinked
  • Porous polymers
  • Reactive adsorption
  • Synthesis

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