| abstract |
PROBLEM TO BE SOLVED: To provide a granular smectite having improved particle strength, excellent air permeability or liquid permeability, and excellent adsorption to various components, and a method for producing the same. SOLUTION: The powder is obtained by degassing and compressing fine powder smectite or a powder comprising a combination of fine smectite and another inorganic adsorbent in the absence of a binder, and measuring with a particle strength meter. 0.03 to 0. A granular smectite having a particle strength of 80 kgf. |