SU643179A1 - Method of regenerating coked cracking catalyst - Google Patents

Method of regenerating coked cracking catalyst

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Publication number
SU643179A1
SU643179A1 SU752176987A SU2176987A SU643179A1 SU 643179 A1 SU643179 A1 SU 643179A1 SU 752176987 A SU752176987 A SU 752176987A SU 2176987 A SU2176987 A SU 2176987A SU 643179 A1 SU643179 A1 SU 643179A1
Authority
SU
USSR - Soviet Union
Prior art keywords
catalyst
cracking catalyst
zone
coked cracking
regenerating coked
Prior art date
Application number
SU752176987A
Other languages
Russian (ru)
Inventor
Марат Ахсанович Танатаров
Original Assignee
Уфимский Нефтяной Институт
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Publication date
Application filed by Уфимский Нефтяной Институт filed Critical Уфимский Нефтяной Институт
Priority to SU752176987A priority Critical patent/SU643179A1/en
Application granted granted Critical
Publication of SU643179A1 publication Critical patent/SU643179A1/en

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  • Catalysts (AREA)

Description

(54) СПСХЗОБ РЕГЕНЕРАЦИИ ЗАКОКСОВАННОГО КАТАЛИЗАТОРА КРЕКИНГА(54) SPECSABLE REGENERATION OF THE CROCKED COATED CATALYST

и после разцеле н  остаетс  неизменной ().and after the ratsele n remains unchanged ().

Регенерацию потоков провод т по jjao- ной техиологнн в двухзониом регенерйто- ре. Зоны регенератора расположены одна над другойи разделены провальной решеткой , воздух подаетс  в нижнюю зону реге нератора.The regeneration of the fluxes is carried out using a jjao technology in a dual-zone regenerator. The zones of the regenerator are located one above the other and are separated by a failing grate; air is supplied to the lower zone of the regenerator.

катализатора с размером 0,,С6 мм регенерируют в нижней зоне воздухом при температуре 600 С, причем концентраци  кислорода в дымовых газах на выходе из зоны поддерживаетс  около 13 аб.%, что обеспегивает высокую скорость горени  в нижней зоне. Содержа1Гие кокса на катализаторе снижаетс  до 0,25 вес,%. catalyst with a size of 0,, C6 mm is regenerated in the lower zone with air at a temperature of 600 ° C, and the oxygen concentration in the flue gases at the exit from the zone is maintained at about 13 ab.%, which ensures a high burning rate in the lower zone. The content of coke on the catalyst is reduced to 0.25% by weight.

Часттщы катализатора с размером 0,06-1,О мм подают в верхнюю зону и регенерир 1от в две стадии. Первую стадию регенерации провод т при температуре в верхней зоне при контакте с дймовыми газами, поступающими из нижней зоны с концентрацией кислородаParticles of catalyst with a size of 0.06-1, O mm are fed to the upper zone and regenerator 1from two stages. The first stage of regeneration is carried out at a temperature in the upper zone when in contact with hemispheric gases coming from the lower zone with oxygen concentration.

13 об.%. Ко1Щ Л1Тр11иш кислорода в дьтмо- вых гасшх на выходе из верхней зоны сос тавл ет 2 об.%. Благодар  П0 ижо1и10й концентрации кислорода предотвращаетс  перегрев сильно закоксованного катализатора , в результате снижаетс  спекание и растрескивание катализатора. На первой стадии закоксованность фракции катализатора 0,06-1,0 мм уменьшаетс  с 1,8 до 0,8 вес.%, т.е. до уровн  закоксо- ванности фракции 0,ОО5-«0,006 мм.13% by volume The amount of oxygen in the gas expellers at the exit from the upper zone is 2 vol.%. Due to the oxygen concentration of the oxygen concentration, overheating of the highly coked catalyst is prevented, and as a result, the sintering and cracking of the catalyst are reduced. In the first stage, the coking of the catalyst fraction of 0.06-1.0 mm decreases from 1.8 to 0.8 wt.%, I.e. to the level of coking of fraction 0, ОО5- «0.006 mm.

Вторую стадию регенерации фракции 0,06-.,О мм производ т в нижней зоне совместно с мелкой фракцией 0,005 - 0,06 мм при повышенной средней концентрации кислорода, что позвол ет улучшить полноту выжига кокса.The second stage of the regeneration of the 0.06 -., О mm fraction is carried out in the lower zone together with the fine fraction of 0.005 - 0.06 mm with an elevated average oxygen concentration, which makes it possible to improve the complete burning of coke.

Смесь обеих фракций катализатора после регенерации вывод т из нижней .зоны ,со средней закоксованностью 0,25 вес.% в количестве 99,75 вес .ч, в 1 ч и подают в реактор каталитического крекинга,The mixture of both fractions of the catalyst after regeneration is removed from the lower zone, with an average coking of 0.25 wt.% In the amount of 99.75 wt. H, per hour and fed into the catalytic cracking reactor,

В таблице приведены результаты рег&нерации закоксованных катализаторов.The table shows the results of the registration of coked catalysts.

SU752176987A 1975-09-30 1975-09-30 Method of regenerating coked cracking catalyst SU643179A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU752176987A SU643179A1 (en) 1975-09-30 1975-09-30 Method of regenerating coked cracking catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU752176987A SU643179A1 (en) 1975-09-30 1975-09-30 Method of regenerating coked cracking catalyst

Publications (1)

Publication Number Publication Date
SU643179A1 true SU643179A1 (en) 1979-01-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU752176987A SU643179A1 (en) 1975-09-30 1975-09-30 Method of regenerating coked cracking catalyst

Country Status (1)

Country Link
SU (1) SU643179A1 (en)

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