期刊
JOM
卷 70, 期 1, 页码 47-52出版社
SPRINGER
DOI: 10.1007/s11837-017-2670-6
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类别
资金
- Basic Research Universities Special Fund Operations [N140204013, N130102002, N130702001]
- Education Department of Liaoning Province [LZ2014021]
- National Natural Science Foundation of China [51374064]
To enable use of copper slag and extract the maximum value from the contained copper, an innovative method of reducing moderately diluted slag to smelt copper-containing antibacterial stainless steel is proposed. This work focused on moderate dilution of copper slag using natural gas. The thermodynamics of copper slag dilution and ternary phase diagrams of the slag system were calculated. The effects of blowing time, temperature, matte settling time, and calcium oxide addition were investigated. The optimum reaction conditions were identified to be blowing time of 20 min, reaction temperature of 1250A degrees C, settling time of 60 min, CaO addition of 4% of mass of slag, natural gas flow rate of 80 mL/min, and outlet pressure of 0.1 MPa. Under these conditions, the Fe3O4 and copper contents of the residue were 7.36% and 0.50%, respectively.
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