FIELD: production of high-silica zeolites for use as components of catalysts and adsorbents. SUBSTANCE: feedstock is prepared from precursors containing silicon, aluminium, alkali and water. Reaction feedstock mixture is held at zeolite crystallization temperature followed by rising temperature of zeolite-containing slurry by 10-40 C by holding mixture at this temperature for 1-5 h. Then, without diminishing crystallinity of zeolite, slurry is cooled down to 50 C at cooling rate 5-10 C/h, whereafter zeolite is separated from mother liquor, washed and dried. EFFECT: higher quality of zeolites. 2 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PREPARING HIGH-SILICA ZEOLITES | 1999 |
|
RU2156735C1 |
| CATALYST FOR CONVERTING ALIFATIC C-C-HYDROCARBONS AND CONVERSION OF THESE HYDROCARBONS | 1996 |
|
RU2087191C1 |
| METHOD OF PREPARING HIGH-SILICON ZEOLITE TYPE ZSM-5 | 1988 |
|
RU1610777C |
| METHOD OF PREPARING HIGH-SUILICON ZEOLITE | 1987 |
|
SU1524395A1 |
| CATALYST FOR CONVERSION OF METHANOL INTO OLEFIN HYDROCARBONS, PROCESS OF PREPARATION THEREOF, AND A PROCESS OF CONVERSION OF METHANOL INTO OLEFIN HYDROCARBONS | 2005 |
|
RU2294799C1 |
| METHOD OF PRODUCING ZEOLITE OF STRUCTURAL TYPE ZSM-5 WITHOUT USING TEMPLATE | 2023 |
|
RU2813194C1 |
| METHOD OF PREPARING HIGH-SILICA ZEOLITE | 2010 |
|
RU2457179C2 |
| HIGH-SILICA ZEOLITE AND METHOD OF PRODUCTION OF SUCH ZEOLITE | 2006 |
|
RU2313487C1 |
| METHOD FOR PRODUCTION OF HIGH-OCTANE BENZENES AND AROMATIC HYDROCARBONS | 1996 |
|
RU2098455C1 |
| METHOD OF OBTAINING CATALYST OF NORMAL ALKANE CYCLISATION | 2014 |
|
RU2549836C1 |
