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The use of a radio frequency induction plasma for nickel extraction from serpentine minerals
Author(s) -
Meubus Paul
Publication year - 1973
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450510408
Subject(s) - nickel , argon , spinel , hydrogen , analytical chemistry (journal) , plasma , extraction (chemistry) , phase (matter) , carbon fibers , materials science , chemistry , nuclear chemistry , metallurgy , environmental chemistry , chromatography , composite number , quantum mechanics , composite material , physics , organic chemistry
The behavior of low nickel content (around 0.25%) serpentine, or (Mg x Fe y Ni z ) 3 Si 2 O 5 (OH) 4 has been studied in a radio frequency generated plasma. It has been found that a magnetic phase (spinel) enriched in Ni can be separated from the products of reaction. Nickel concentrations up to 2.3% were found in this phase which also should contain up to 50% of the total Ni present in the original serpentine. Average gas temperatures ranging from 3,800°K to 6,000°K were investigated while neutral (argon) and reducing (argon + hydrogen) atmospheres were studied. Mixtures of the mineral and carbon were also submitted to the high temperature reactions