A Kinetic Comparison between Laboratory and Industrial Scales in the Copper Blowing Process

Table 3

Operation time for conversion 0.9 in Pierce-Smith converter at different gas flow rates and oxygen pressures. Melt temperature, 1180°C. Pressure is 2 bar. (N _S)₀ is 988.17 kmol. Numbers in heavy types belong to the correlation of actual operations in a Peirce-Smith converter.

In-gas, 𝑦ox	(𝑣𝐺)0 (Nm^3/s)	𝑣𝐺 (m^3/s)	(𝑑𝑥𝑆/𝑑𝑡), s^−1	Oper. time, min
0.21	5.500	12.917	8.5 · 10^-5	177
0.21	5.736	13.448	8.8 · 10^-5	170
0.21	6.200	14.512	9.5 · 10^-5	158
0.21	6.400	15.650	10.2 · 10^-5	147
0.25	5.500	13.909	11.2 · 10^-5	134
0.30	5.500	14.143	13.9 · 10^-5	108