Study is made on preparation of small concrete hollowblock using cinder wet discharged from power plant instead of sand by laboratory and industrial experiments.
通过实验室试验和工业性试制，对用电厂湿排煤渣替代砂配制的混凝土小型空心砌块进行了研究。
2
The manganese slags after pre-treated can replace coal cinder in producing hollowblock.