Characteristics of the active lime: lime is a chemical properties and lively, and strong reaction of metallurgical lime manufacturers in steelmaking slag during melting fast, including S, P less harmful elements such as quality of soft-burnt lime. Quality of the merits of its main uses "the degree of activity," the indicators. The degree of activity reflects the lime in the slag and other materials response capability. Quicklime uses: quicklime is removed by chemical absorption of water vapor in the desiccant used is also used in steel, pesticides, pharmaceuticals, drying, tanning and alcohol dehydration. Especially suitable for puffed food, mushrooms, fungus and other native products, as well as instrumentation, medicine, clothing, electronic telecommunications, leather, textile and other industry products.