| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that the demand for a powdery calcium carbonate product on the market is low and the powdery calcium carbonate product is sold at a low price; and to provide a production method comprising resolidifying the powdery calcium carbonate, by which the resolidified product having high added value is produced, and which is effective from viewpoints of blocking of destruction of nature and recycling of resources. <P>SOLUTION: The production method for producing the resolidified product from the powdery calcium carbonate comprises adding cement or bentnite to a powder of calcium carbonate, then granulating the resulting mixture, and firing/solidifying so as to impart strength. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
