Preparation of gold- and chlorine-impregnated bead-type activated carbon for a mercury sorbent trap

Young Cheol Song, Tai Gyu Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study aimed to develop a mercury (Hg) adsorption trap, which can be used to measure the concentration of elemental Hg in emissions from a Hg discharge facility, and evaluate its adsorption efficiency. The Hg spiking efficiency was compared by impregnating metallic and halogen materials that have high affinity for Hg into activated carbon (AC) to determine an accurate spiking method for Hg on AC. The Hg spiking efficiency was compared according to the type and content of the impregnated substances. AC impregnated with Cl and Au had a 15–20% higher Hg spiking efficiency compared to virgin AC. For Au impregnation at weight ratios of 0–20 wt% of adsorbent, spiking efficiencies of over 97% were observed under certain conditions. The Hg adsorption properties of the above adsorbent were determined experimentally, and the results were used to test the adsorption performance of Hg adsorption traps.

Original languageEnglish
Pages (from-to)470-477
Number of pages8
JournalChemosphere
Volume165
DOIs
Publication statusPublished - 2016 Dec 1

Fingerprint

Chlorine
Sorbents
Mercury
Gold
Activated carbon
Adsorption
activated carbon
chlorine
Carbon
gold
adsorption
Adsorbents
Halogens
halogen
Impregnation
mercury
Weights and Measures

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Chemistry(all)

Cite this

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abstract = "This study aimed to develop a mercury (Hg) adsorption trap, which can be used to measure the concentration of elemental Hg in emissions from a Hg discharge facility, and evaluate its adsorption efficiency. The Hg spiking efficiency was compared by impregnating metallic and halogen materials that have high affinity for Hg into activated carbon (AC) to determine an accurate spiking method for Hg on AC. The Hg spiking efficiency was compared according to the type and content of the impregnated substances. AC impregnated with Cl and Au had a 15–20{\%} higher Hg spiking efficiency compared to virgin AC. For Au impregnation at weight ratios of 0–20 wt{\%} of adsorbent, spiking efficiencies of over 97{\%} were observed under certain conditions. The Hg adsorption properties of the above adsorbent were determined experimentally, and the results were used to test the adsorption performance of Hg adsorption traps.",
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Preparation of gold- and chlorine-impregnated bead-type activated carbon for a mercury sorbent trap. / Song, Young Cheol; Lee, Tai Gyu.

In: Chemosphere, Vol. 165, 01.12.2016, p. 470-477.

Research output: Contribution to journalArticle

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