| 摘要 |
1. A process for the preparation of a boron-containing zeolite of the ZSM-5 structural type from SiO2 , an alkali and an oxide of a trivalent metal, by hydrothermal crystallization in the presence of an amine, wherein a diamine and, as the starting material, finely ground borosilicate glass are used, and the reaction is carried out at from 100 to 200 degrees C. |
