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磷酸盐工业基本上有三种固体废料,即尾矿砂、磷矿泥和磷石膏,前两种均系采矿废料。多年来,美国磷酸盐工业及政府部门共同努力,以求解决这些废料的处理问题。在处理这些废料时,遇到的主要问题是尾矿砂和矿泥的体积比原先未采动的表土和磷块岩的体积占据的空间大,这是由于在采
There are basically three types of solid waste in the phosphate industry, namely tailings, phosphate rock and phosphogypsum, the first two of which are mining wastes. Over the years, the United States phosphate industry and government departments work together to solve these waste disposal problems. The main problem encountered in the disposal of these wastes is the volume of tailings sand and slime that is larger than the volume of previously undeveloped topsoil and phosphorite,