Microstructure of sepiolite and its adsorbing properties to dodecanol

The acid treatment process, testing methods, microstrcture of sepiolite mineral materials and their adsorbing properties to dodecanol were studied respectively. The results show that by acid treatment to raw sepiolite thinner fibre clusters and single fibres turn up, the pore volume and the number of micropore and mesopore in sepiolite all increase, and adsorbing properties of modified sepiolite to dodecanol are improved significantly. In the combined materials of dodecanol and sepiolite prepared under the best condition, the proportion of dodecanol is 67.96%, and then it is much higher than the result calculated from traditional BET method.