sio sand grinding process

sio2 sand grinding process Hydrophobic SiO2 supported Fe Know More nbsp 0183 32 The shape and size of the FeNiFASSiO 2 catalysts synthesized by the facile grinding process are shown in Fig 7 From Fig 7B C we can clearly see that the FeNi NPs is attached successfully to the silica surface with a good dispersion properties