Plant Practice on Application of Calcium-Iron-bearing Slag in Treating WPCB
Received:March 07, 2017   Revised:March 15, 2017   Accepted:March 16, 2017      Published Online:June 19, 2017
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DOI:doi:10.3969/j.issn.1007-7545.2017.07.005
KeyWord:copper content in slag; NRTS furnace; foam slag; calcium-iron-bearing slag
        
AuthorInstitution
Zhang Xingyong 江西瑞林稀贵金属科技有限公司
Liu Yunliang 江西瑞林稀贵金属科技有限公司
DENG Min-li 江西瑞林稀贵金属科技有限公司
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Abstract:
      WPCB smelting process with NRTS furnace was introduced. Plant practice to treat WPCB with NRTS furnace and application of calcium-iron-bearing slag in this process were elaborated. Effect of CaO content in slag on copper content in slag was investigated. The results show that copper content in slag drops firstly and then rises with increase of CaO content under the conditions including furnace temperature of 1 300 ℃, Fe≮30%, and Fe/SiO2=1.3~1.5. Copper content in slag is 1% below under the optimum slag type of CaO content of 6%~8%.
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