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Development of calcium coke for CaC2 production using calcium carbide slag and coking coal 被引量:7

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摘要 A type of calcium coke was developed for use in the oxy-thermal process of calcium carbide production.The calcium coke was prepared by the co-pyrolysis of coking coal and calcium carbide slag, which is a solid waste generated from the chlor-alkali industry.The characteristics of the calcium cokes under different conditions were analyzed experimentally and theoretically.The results show that the thermal strength of calcium coke increased with the increase in the coking coal proportion, and the waterproof property of calcium coke also increased with increased carbonation time.The calcium coke can increase the contact area of calcium and carbon in the calcium carbide production process.Furthermore, the pore structure of the calcium coke can enhance the diffusion of gas inside the furnace, thus improving the efficiency of the oxy-thermal technology.
出处 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2021年第1期76-87,共12页 矿物冶金与材料学报(英文版)
基金 financially supported by the Natural Science Foundation of China (Nos.U1610101 and 21776288) the Green Process Manufacturing Innovation Research Institute, Chinese Academy of Sciences (No.IAGM-2019-A09) the funding support from Vinnova (Dn: 2018-05293)。
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