7Egyhazy T,et al.Experiments on Hydrogen Fluoride Adsorp-tion on Alumina,Part I Kinetic Aspects,Experimental Tech-nique. Hungarian Journal of Industrial Chemistry . 2000
8Dace Grote,Bhupendra C Trivedi,Thomas O Mason.HF sep-aration in a carbonylation process. US4661296 . 1987
9Afzal Sahar,Amir Rahimi,Mohammad Reza Ehsani,et al.Ex-perimental study of hydrogen fluoride adsorption on sodiumfluoride. Journal of Industrial and Engineering Chemistry . 2010
10SATERIAS,AMHERST,ARTHUR E H,et al.Method formaking up tungsten hexafluoride. US,6103212 . 2000
