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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*
  • *Corresponding author for this work
  • CAS - Shanghai Institute of Ceramics

Research output: Contribution to journalArticlepeer-review

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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