The hot metal desulphurization with the lime calcined with salt has been investigated in laboratory.It is shown that the lime activity is not directly correlated to desulphurization efficiency.

• 在实验室条件下，通过对加食盐焙烧的石灰铁水脱硫试验研究，表明石灰的活性度并不完全对应其铁水脱硫能力；