This article researches the blown-out concrete technology with reduced slag and fly ash from refining of magnesium in Pidgeon technics as its main raw materials,which can quite eliminate the solid contamination during the magnesium producation and use up fly ash partly;it is of great signficance for the development of clean magnesium industry.

Dust-free collection of magnesium reducing slag and process of aerated concrete block production;

In this article it systematically analyses the respective characteristic of phosphorus-slag and electric arc furnace restored slag, and by combining these two scientifically, developed a no-clinder phosphorus-slag & electric arc furnace restored slag cement, with normal cohesion, high strength in early period while no reduce in later period, and qualified in press -evaporate stability.

With the production of magnesium, the large quantity magnesium residues have been produced.