SU593732A1 - Catalyst for cracking isopropylbenzene - Google Patents
Catalyst for cracking isopropylbenzeneInfo
- Publication number
- SU593732A1 SU593732A1 SU762350348A SU2350348A SU593732A1 SU 593732 A1 SU593732 A1 SU 593732A1 SU 762350348 A SU762350348 A SU 762350348A SU 2350348 A SU2350348 A SU 2350348A SU 593732 A1 SU593732 A1 SU 593732A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cracking
- catalyst
- isopropylbenzene
- temperature
- kinetics
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Description
Полученный мономер подвергают термокомдепсацин в успови х постепенного подъема температуры со скоростью мин до температуры 410 С, выдерживают noriyченный полимер при этой температуре в течение 5-6 часов. П р и м е р 2. В реактор загружают 0,1 г попиалюмоцирконийфенипсипоксана : и прокаливают его в токе гели до прекращени выдепени петучих продуктов. Потер в весе при термообработке составл ет На термообработанном образце провод т кре кинг изопропипбензопа в интервале температур от 19О С до 41О С. Опыт провод т следующим образом: при заданной температуре ввод т 1 мкл изопропилбензопа в реак ционную трубку. Образовавша с реакционна смесь содержит только три вещества: пропилен , бензоп и кумоп, которые четко раздел ютс на хроматографе. Шличину превращени изопропилбепзопа определ ют посредством количественного хроматографического анализа. Результаты крекинга изопропипбензода при различных температурах и данные по коксообразующей способности предлагаемого и известного катализаторов представлены в таблице. Как видно из таблицы полиалюмоцирконий- фенилсилоксан и полиалюмофенилсилоксан имеют одинаковую каталитическую активность , однако предлагаемый катализатор про вл ет каталитические свойства при более низкой температуре (). Что же касаетс коксообразующей способности катализатора , то процент кокса на предлагаемом катализаторе (0,9%) в 2,33 .раза меньше, чем на известном - полиалюмофенилсилокса не (2,1%).The resulting monomer is subjected to thermocompepsacin in time to gradually raise the temperature at a rate of min to a temperature of 410 ° C, and the normal polymer is maintained at this temperature for 5-6 hours. PRI mme R 2. 0.1 g of popialyumozirconiumphenipsipoxane is loaded into the reactor: and it is calcined in a current of gels until the evaporation of friable products is stopped. The weight loss during heat treatment is On a heat-treated sample, cracking isopropic benzene is carried out in the temperature range from 19 ° C to 41 ° C. The resulting reaction mixture contains only three substances: propylene, benzop and cumene, which are clearly separated on the chromatograph. The isopropylbepzop conversion value is determined by quantitative chromatographic analysis. The results of the cracking of isopropyl benzene at different temperatures and data on the coke-forming ability of the proposed and known catalysts are presented in the table. As can be seen from the table, polyaluminous zirconium-phenylsiloxane and polyaluminophenylsiloxane have the same catalytic activity, however, the proposed catalyst exhibits catalytic properties at a lower temperature (). As for the coking ability of the catalyst, the percentage of coke on the proposed catalyst (0.9%) is 2.33 times less than on the known - polyaluminophenylsilox is not (2.1%).
3,1 5,15 3.1 5.15
4,0 8,3 22,24.0 8.3 22.2
15,5 15.5
ЗО,1 ЗО,5 46,9 63,4 42,0 65,0 73,2 72,2 82i4 85,6 93,0 94,3 81,5 ZO, 1 ZO, 5 46,9 63.4 42.0 65.0 73.2 72.2 82i4 85.6 93.0 94.3 81.5
2,12.1
0,9 560.9 56
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762350348A SU593732A1 (en) | 1976-04-21 | 1976-04-21 | Catalyst for cracking isopropylbenzene |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762350348A SU593732A1 (en) | 1976-04-21 | 1976-04-21 | Catalyst for cracking isopropylbenzene |
Publications (1)
Publication Number | Publication Date |
---|---|
SU593732A1 true SU593732A1 (en) | 1978-02-25 |
Family
ID=20657882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU762350348A SU593732A1 (en) | 1976-04-21 | 1976-04-21 | Catalyst for cracking isopropylbenzene |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU593732A1 (en) |
-
1976
- 1976-04-21 SU SU762350348A patent/SU593732A1/en active
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