| 摘要 |
<P>PROBLEM TO BE SOLVED: To effectively utilize so-called wastes such as sewage sludge molten slag, general refuse incineration ash slag, coal ash and the like. <P>SOLUTION: A raw material consisting of a caking additive of 5-20 pts.wt. is prepared in a pulverized slag of 100 pts.wt. and a coal ash of 50-150 pts.wt. to be Al<SB>2</SB>O<SB>3</SB>>15 wt.% in the ingredient ratio, mixed and formed and then a crystallized glass product whose main crystal is anorthite is manufactured by baking a formed body at 1,100-1,250°C. <P>COPYRIGHT: (C)2009,JPO&INPIT |
