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Environmental performance of fluorite used to catalyze MgO reduction in pidgeon process

Han, Fenglan (author)
School of Material Science and Engineering, Beifang University of Nationalities, Yinchuan
Yang, Qixing (author)
Luleå tekniska universitet,Industriell miljö- och processteknik
Wu, Laner (author)
School of Material Science and Engineering, Beifang University of Nationalities, Yinchuan
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Guo, Shengwei (author)
School of Material Science and Engineering, Beifang University of Nationalities, Yinchuan
Jiang, Yong (author)
School of Material Science and Engineering, Beifang University of Nationalities, Yinchuan
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 (creator_code:org_t)
2012
2012
English.
In: Advanced Materials Research. - 1022-6680 .- 1662-8985. ; 577, s. 31-38
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Environmental performances of fluorite used as catalyzer for chemical reaction between MgO and Si were investigated by performing pilot scale experiments of Mg production. F amounts of 0.012-0.116 kg were added in the charged briquettes and Mg slag generated from the chemical reaction in most of the tests weighted 4.26-4.96 kg with F contents ranging 0.21-2.52%. Based on high recoveries of F, 83-100%, in the slag after the reaction, it is estimated that there are little or no F compounds leaving the retorts during the pilot tests. However, high amount of F, 72.9 mg/kg, was leached out from an Mg slag sample obtained from an Mg plant, making it necessary to decrease amount of fluorite used as catalyzer for the reaction or to improve operation conditions, thus, enhancing rate for chemical reaction between MgO and Si in Pidgeon process

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)

Keyword

Process Metallurgy
Processmetallurgi

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Han, Fenglan
Yang, Qixing
Wu, Laner
Guo, Shengwei
Jiang, Yong
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ENGINEERING AND TECHNOLOGY
ENGINEERING AND ...
and Materials Engine ...
and Metallurgy and M ...
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Advanced Materia ...
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Luleå University of Technology

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