It's used to measure micro sulphur dioxide of gases at the inlet and outlet of the second stage conversion in sulphuric acid production with satisfactory results.
用于硫酸生产二次转化进出口气体中微量二氧化硫含量的测定，效果较好。
The experimental results show: firstly, the concentration of the concentrated sulfuric acid increases with increased inlet air flux, increased intet air temperature and decreased inlet liquid flux;
实验研究表明：硫酸浓缩液浓度随空气进口温度的升高、空气进口流量的增大以及稀硫酸进口流量的减小而增大；
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