Taking a coarse plumbum smelting plant in Guiyang county in Hunan province as an example, the cost and environmental economy benefits of calcareousness desulfurization were investigated and analyzed.

• 以湖南省桂阳县一粗铅冶炼厂为例,调查分析了石灰脱硫的成本和环境经济效益,揭示了闲置脱硫塔的原因,并提出了相应的建议。