Scholarlink

<p>This study investigates the potential use of chlorine gas in recovering gold through a series of experiments conducted at temperatures ranging from 500 to 1000&#xa0;°C. The impact of various parameters such as particle size, reaction time, temperature, and partial pressure of chlorine gas on the chlorination of gold was examined. The results showed that small-sized gold particles recover more efficiently than large-sized particles, especially for shorter conversion times. The chlorination temperature, conversion time, and partial pressure of chlorine also affect the gold conversion. Increasing the temperature and partial pressure of chlorine significantly enhances the extent of gold conversion up to a certain point. At 900&#xa0;°C and 0.6&#xa0;atm chlorine gas partial pressure, gold conversion of over 95% was achieved after 60&#xa0;min of reaction time. Moreover, kinetics analysis was conducted to estimate the activation energy of the high-temperature chlorination of gold. This study provides valuable insights into optimizing the conversion of gold using chlorine gas.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Gold Recovery via High-Temperature Chlorination

  • 期刊论文

  • 发表日期：

    2025年1月28日

查看全文
  • Rishu Kumar,
  • Muhammad Nabeel,
  • David Dreisinger,
  • Leili Tafaghodi

摘要

This study investigates the potential use of chlorine gas in recovering gold through a series of experiments conducted at temperatures ranging from 500 to 1000 °C. The impact of various parameters such as particle size, reaction time, temperature, and partial pressure of chlorine gas on the chlorination of gold was examined. The results showed that small-sized gold particles recover more efficiently than large-sized particles, especially for shorter conversion times. The chlorination temperature, conversion time, and partial pressure of chlorine also affect the gold conversion. Increasing the temperature and partial pressure of chlorine significantly enhances the extent of gold conversion up to a certain point. At 900 °C and 0.6 atm chlorine gas partial pressure, gold conversion of over 95% was achieved after 60 min of reaction time. Moreover, kinetics analysis was conducted to estimate the activation energy of the high-temperature chlorination of gold. This study provides valuable insights into optimizing the conversion of gold using chlorine gas.