With the decrease of resource on earth and the increase of environment consciousness of human beings, many countries treat tailing as secondary resource and widely carry on the study of utilization of ferrous tailing.

• 随着地球资源的不断减少和人们环境意识的增强，世界各国把尾矿当作二次资源对待，投入大量人力物力，广泛开展对铁矿尾矿的综合利用研究。