Activated Hard Shell of Apricot Stones: A Promising Adsorbent in Gold Recovery

Mansooreh Soleimani; Tahereh Kaghazchi

doi:10.1016/S1004-9541(08)60048-8

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Activated Hard Shell of Apricot Stones: A Promising Adsorbent in Gold Recovery

Updated：2026-01-06

- Activated Hard Shell of Apricot Stones: A Promising Adsorbent in Gold Recovery
- Chinese Journal of Chemical Engineering Vol. 16, Issue 1, Pages: 112-118(2008)
- Affiliations：
  
  Faculty of Chemical Engineering, AmirKabir University of Technology, Tehran,Iran,15875-4413
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60048-8
  CLC：
- Published：2008
- Accepted：
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Mansooreh Soleimani, Tahereh Kaghazchi. Activated Hard Shell of Apricot Stones: A Promising Adsorbent in Gold Recovery[J]. , 2008, 16(1): 112-118.
DOI：

Mansooreh Soleimani, Tahereh Kaghazchi. Activated Hard Shell of Apricot Stones: A Promising Adsorbent in Gold Recovery[J]. , 2008, 16(1): 112-118. DOI： 10.1016/S1004-9541(08)60048-8.

摘要

Abstract

Activated carbon has been proven to be an effective adsorbent for the recovery of a wide variety of metal ions from aqueous solutions. In this research

the activated hard shell of Iranian apricot stones was used for gold recovery from electro-plating wastewater. The effect of parameters such as dose and particle size of adsorbent

agitation speed of mixing on the gold recovery was investigated. The results showed that under the optimum operating conditions more than 98% of gold ions were adsorbed onto activated carbon after just 3 h. In addition

the adsorbed gold could be eluted from this adsorbent by improved striping method. The process involves contact of gold-laden adsorbent with a strong base at ambient temperatures followed by elution with an aqueous solution containing an organic solvent. It was found that activated hard shell of apricot stones has the potential to replace imported commercial activated carbons in gold adsorption processes.

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