发明授权
US5720796A Process of using roll press grinding aid for granulated blast furnace slag 失效
使用辊压研磨助剂的造粒高炉渣的工艺

Process of using roll press grinding aid for granulated blast furnace
slag
摘要:
A grinding aid and an enhanced roll press method of grinding granulated blast-furnace slag by treating the slag feed of the roll press with from about 0.002 to 0.2 weight percent of polyacrylic acid or its alkali metal salt in combination with up to about 4 weight percent water.
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