研制用化工废渣生产新型墙体材料—磷石膏空心条板 (砌块 )。该产品与天然石膏空心条板 (砌块 )相比 ,原料采用及生产工艺有较大改进 ,技术性能达行业技术标准 ,其中某些指标优于天然石膏制品。该方法具有利废、节能、环保、工艺简单、降低成本等特点 Development of a new type of chemical waste residue wall materials - phosphogypsum hollow slats (block). Compared with natural gypsum hollow slab (block), the product has greatly improved the adoption of raw materials and production technology, and its technical performance has reached the technical standards of the industry. Some of the indexes are superior to natural gypsum products. The method has the advantages of waste, energy saving, environmental protection, simple process and cost reduction