METHOD FOR MODIFYING SLAG MATERIAL SURFACE

PROBLEM TO BE SOLVED: To control sufficiently alkali elution from a slag material including steel slag.SOLUTION: A slag material surface is modified by performing three times or more a wetting/drying treatment having a first step for wetting the whole of the slag material surface, while holding the slag material including steel slag 1 in a wet environment having a relative humidity of 100%, and a second step for drying the whole of the slag material surface, while holding the slag material in a dry environment having a relative humidity of ≤80% after the first step. In the first step, moisture is supplied to the slag material. The wetting/drying treatment is performed in such a condition that the surface temperature of the slag material is in the range of 5-60°C.

申请(专利)号: JP20120096719
申请日期: 2012年4月20日
公开(公告)日: 2013年10月31日
公开(公告)号: JP2013224229(A)
主分类号: C04B5/00,C,C04,C04B,C04B5
分类号: C04B5/00,C,C04,C04B,C04B5
申请(专利权)人: KOBE STEEL LTD
发明(设计)人: URUSHIBARA WATARU,TATSUMI AKIHIKO,YANAGISAWA KAZUMI,SUZUKI RYOHEI,FUNAOKA YOICHI