SU189398A1 - METHOD FOR INCREASING THE ACTIVITY AND SELECTIVITY OF THE CRUMKING ALYUMOSILICATE CATALYST - Google Patents
METHOD FOR INCREASING THE ACTIVITY AND SELECTIVITY OF THE CRUMKING ALYUMOSILICATE CATALYSTInfo
- Publication number
- SU189398A1 SU189398A1 SU919198A SU919198A SU189398A1 SU 189398 A1 SU189398 A1 SU 189398A1 SU 919198 A SU919198 A SU 919198A SU 919198 A SU919198 A SU 919198A SU 189398 A1 SU189398 A1 SU 189398A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- catalyst
- selectivity
- activity
- increasing
- crumking
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title description 15
- 230000000694 effects Effects 0.000 title description 3
- 230000001965 increased Effects 0.000 title description 3
- 239000000571 coke Substances 0.000 description 7
- 229910052720 vanadium Inorganic materials 0.000 description 5
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium(0) Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 5
- 229910000323 aluminium silicate Inorganic materials 0.000 description 4
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 4
- 238000004523 catalytic cracking Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003197 catalytic Effects 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Description
Примен емый в ласто щее врем на установках каталитического крекинга синтетический алюмосиликатный катализатор недостаточно селективен.The synthetic aluminosilicate catalyst currently used in catalytic cracking units is not selective enough.
Предложенный способ повышени активности и селективности алюмосиликатного катализатора крекинга предусматривает нанесение На поверхность катализатора микродоз ванади (до 0,01 вес. %).The proposed method for increasing the activity and selectivity of an aluminosilicate cracking catalyst involves applying a vanadium microdoz to the catalyst surface (up to 0.01 wt.%).
Наиболее оптимальным содержанием ванади в катализаторе можно считать 0,001 - 0,002 вес. % (более 0,01 вес. % ухудшает его качество).The optimal vanadium content in the catalyst can be considered 0.001 - 0.002 weight. % (more than 0.01 wt.% impairs its quality).
Катализаторы испытывались на реакции превращени вакуумного газойл арлапской нефти на лабораторной установке со стационарным слоем катализатора.The catalysts were tested for the transformation reaction of vacuum gas oil Arlap oil in a laboratory setup with a fixed bed of catalyst.
Пример. Темнература в каталитическом реакторе 450°С, объемна скорость подачи сырь 1,0 . При добавлении 0,002 вес. % вапади па катализатор выход основного целевого продукта бензина возрастает с 29% (па свежем алюмосиликатном катализаторе, не содержаш.ем ванади ) до 39,4%, т. е. на 36% относительных. Выход кокса в процессе уменьшаетс с 6,6 до 5,1% соответственно, т. е. па 22,7% относнтельных.Example. Temperature in the catalytic reactor is 450 ° C, the volumetric feed rate is 1.0. Adding 0,002 weight. % wapadine catalyst the yield of the main target gasoline product increases from 29% (on a fresh aluminosilicate catalyst not containing vanadium) to 39.4%, i.e., 36% relative. The coke yield in the process is reduced from 6.6 to 5.1%, respectively, i.e., by 22.7% relative.
Значительно улучшаетс по сравнению со свежим катализатором степепь преврашени (60,5 протнв 51,9%) и селективность катализатора оцеииваетс отиошеиием бепзин: кокс и газ: кокс. Отношеиие бензин: кокс увеличиваетс с 4,4 до 7,7, а отношение газ: кокс-с 2,5 до 3,1. Качество жидких и газообразных продуктов каталитического крекинга, полученных на этом каталнзаторе, практически не измеи етс .The degree of pretreatment (60.5 batches of 51.9%) and the selectivity of the catalyst are estimated to be otisheemia and bepzin: coke and gas: coke. The gasoline ratio: coke is increased from 4.4 to 7.7, and the gas: coke ratio, from 2.5 to 3.1. The quality of the liquid and gaseous products of the catalytic cracking obtained on this catalyst is practically unchanged.
Добавление к катализатору ванади более 0,02 вес. % ухудшает показатели ироцесса, уменьша степень превращепи и селективность катализатора. Так, отношение бензин: кокс уменьшаетс с 4,4 до 3,5, а отношение газ: кокс - с 2,5 до 1,9. Выход бензина сннжаетс с 29 до 26,3%.Adding to the catalyst vanadium more than 0.02 weight. % worsens the process performance, reducing the degree of conversion and selectivity of the catalyst. Thus, the gasoline: coke ratio decreases from 4.4 to 3.5, and the gas: coke ratio decreases from 2.5 to 1.9. The gasoline yield drops from 29 to 26.3%.
Предмет изобретени Subject invention
Способ повышенн активности и селективности алюмосилнкатного катализатора крекинга , отличающийс тем, что, с целью увеличени выхода целевых продуктов, катализатор активируют соедпнепи ми ванади н количестве до 0,01 вес. % (предпочтительно 0,001-0,002 вес. %).The method enhances the activity and selectivity of the aluminosilicate cracking catalyst, characterized in that, in order to increase the yield of the target products, the catalyst is activated by combining vanadium with a quantity up to 0.01 wt. % (preferably 0.001-0.002 wt.%).
Publications (1)
Publication Number | Publication Date |
---|---|
SU189398A1 true SU189398A1 (en) |
Family
ID=
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU589903A3 (en) | Method of preparing aromatic hydrocarbons | |
US4490481A (en) | Supported palladium-gold catalyst, and its manufacture | |
CN1034586C (en) | Catalytic conversion method of low-carbon olefines high-output | |
US2802889A (en) | Selective hydrogenation of acetylene in ethylene and catalyst therefor | |
US2452121A (en) | Conversion of synthetic hydrocarbons containing oxygenated compounds to hydrocarbons of high octane value | |
CN101565346A (en) | Method for preparing ethylene by ethanol dehydration | |
DE69405654T2 (en) | Process for the recovery of spent acidic catalysts in alkylation processes | |
JP5180449B2 (en) | Process for producing lower olefins from methanol or dimethyl ether | |
RU2509759C1 (en) | Method for simultaneous production of aromatic hydrocarbons and divinyl in presence of hydrogen peroxide initiator | |
SU189398A1 (en) | METHOD FOR INCREASING THE ACTIVITY AND SELECTIVITY OF THE CRUMKING ALYUMOSILICATE CATALYST | |
CN1978410A (en) | C4 fraction catalytic onversion method for yielding propylene | |
US2636845A (en) | Reactivation of conversion catalysts | |
Martin et al. | Coupled conversion of methanol and C4 hydrocarbons to lower olefins | |
CN103121891B (en) | Method for producing low-carbon olefin | |
CN1810742A (en) | Selective isobutene dimerizing process to prepare isooctene | |
EP0084151A1 (en) | Process for the preparation of olefines | |
CN111943803B (en) | Method for synthesizing exo-tetrahydrodicyclopentadiene | |
Gubisch et al. | Conversion of methanol to light olefins over zeolite H‐T | |
US2746907A (en) | Process for hydro-desulfurization of light hydrocarbons using a nickel oxide catalyst | |
CN114380658B (en) | Method for preparing isoprene by catalyzing isobutene-methanol with Pr-doped cerium oxide | |
RU2688662C1 (en) | Method of catalytic cracking of butane-butylene fraction and catalyst for its implementation | |
CN112824359B (en) | Application of noble metal supported catalyst in synthesizing paraxylene | |
RU1772134C (en) | Method for catalytic processing of gas oil fractions | |
SU1065393A1 (en) | Process for purifying ethylene-containing gas from propylene | |
Aliyev et al. | CATALYTIC OXIDATIVE CONVERSION OF LOWER OLEFINS AND PARAFFINS OVER ZEOLITES MODIFIED WITH DIFFERENT METAL CATIONS |