| 摘要 |
PROBLEM TO BE SOLVED: To provide a silica-adhering silicon suitable for producing silicon oxide as a raw material, in which silica particles are stably supplied by improving on fluidity in a process of producing a mixture of silicon particles and silicon dioxide particles, and a conversion and a reaction rate can be raised in a method of producing the silicon oxide by reducing silicon aggregates in the formed mixture, and provide a sintered mixture raw material.SOLUTION: The silica-adhering silicon used as a raw material silicon particle for producing silicon oxide by reacting a mixture of a silicon particle and a silicon oxide particle comprises a silicon core particle, and a spherical silica fine particle adhering on the surface of the silicon core particle and having a particle size of 5 nm-1.00 μm, a particle size distribution D/Dof not greater than 3, and an average circularity of 0.8-1. |
