| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method of spherical ceramic particles by which spherical ceramic particles having a small difference from the composition ratio of two or more oxides contained in starting material particles can be efficiently obtained, in a production method for obtaining spherical ceramic particles containing a multiple oxide formed from two or more oxides.SOLUTION: A method for producing spherical ceramic particles uses starting material particles consisting mainly of a multiple oxide comprising at least two selected from AlO, MgO and SiOand having an average particle diameter of 0.01-20 μm, wherein the method for producing spherical ceramic particles includes the following steps (1) to (3); step (1): a step of preparing a slurry of the starting material particles, step (2): a step of spraying the slurry obtained in step (1) on a melting zone, step (3): a step of melting and spheroidizing the starting material particles contained in the sprayed slurry in the melting zone. |
