| 摘要 |
<p>Selective adsorption of cyclic hydrocarbons (e.g., p-xylene, 2,6-dimethylnaphthalene) from a fluid mixture containing other structurally similar hydrocarbons (e.g., m-xylene, 2,7-dimethylnaphthalene) can be obtained with metallic molecular sieves (crystalline alumino-silicate zeolites) which contain a controlled amount of a sorbed polar ligand, preferably water and/or ammonia.</p> |
