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SO2 emissions during roasting and smelting of highly roasted nickel concentrates

SO2 emissions during roasting and smelting of highly roasted nickel concentrates
高度焙烧镍精矿焙烧和冶炼过程中 SO2 排放
批准号:
370957-2008
负责人:
Utigard, Torstein
金额:
$2.19万
依托单位:
依托单位国家:
加拿大
项目类别:
Collaborative Research and Development Grants
财政年份:
2008
资助国家:
加拿大
项目状态:
已结题
起止时间:
2008-01-01 至 2009-12-31

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中文摘要
翻译
为了减少Thompson的Vale-Incos冶炼厂和Falconbridge的Xstratas镍冶炼厂的二氧化硫排放,一种选择是在流化床焙烧炉中进行高度氧化,有效地去除精矿中的大部分硫。从烘焙机中释放的二氧化硫可以很容易地转化为硫酸,而不会进入大气。这将大大降低随后的熔炉冶炼和转化步骤的二氧化硫排放量,从这些步骤收集和转化二氧化硫为酸要困难得多,成本也高得多。
英文摘要
To decrease SO2 emissions from Vale-Incos smelter in Thompson and from Xstratas nickel smelter in Falconbridge, one option is to carry out a very high degree of oxidation in the fluid bed roasters, effectively removing most of the sulphur in the concentrate. The SO2 emitted from the roasters can readily be converted into sulphuric acid and not be let into the atmosphere. This will significantly lower the SO2 emissions from the subsequent furnace smelting and converting steps, from which it is much more difficult and costly to collect and convert the SO2 into acid.
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Refining of silicon for photovoltage applications
  • 批准号:
    46216-2006
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $2.29万
  • 财政年份:
    2011
  • 负责人:
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  • 依托单位:
Selective sulfation roasting of Ni concentrate to minimize off-gas pollution
  • 批准号:
    397343-2010
  • 项目类别:
    Strategic Projects - Group
  • 资助金额:
    $6.28万
  • 财政年份:
    2010
  • 负责人:
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  • 依托单位:
SO2 emissions during roasting and smelting of highly roasted nickel concentrates
  • 批准号:
    370957-2008
  • 项目类别:
    Collaborative Research and Development Grants
  • 资助金额:
    $2.19万
  • 财政年份:
    2010
  • 负责人:
    Utigard, Torstein
  • 依托单位:
Refining of silicon for photovoltage applications
  • 批准号:
    46216-2006
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $2.29万
  • 财政年份:
    2009
  • 负责人:
    Utigard, Torstein
  • 依托单位:
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