RU95121804A - METHOD FOR RESTORING THE ACTIVITY OF A PLATIN-CONTAINING REFORMING CATALYST - Google Patents

METHOD FOR RESTORING THE ACTIVITY OF A PLATIN-CONTAINING REFORMING CATALYST

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Publication number
RU95121804A
RU95121804A RU95121804/04A RU95121804A RU95121804A RU 95121804 A RU95121804 A RU 95121804A RU 95121804/04 A RU95121804/04 A RU 95121804/04A RU 95121804 A RU95121804 A RU 95121804A RU 95121804 A RU95121804 A RU 95121804A
Authority
RU
Russia
Prior art keywords
restoring
activity
hydrogen
containing gas
reforming catalyst
Prior art date
Application number
RU95121804/04A
Other languages
Russian (ru)
Other versions
RU2096085C1 (en
Inventor
В.Б. Марышев
А.Л. Князьков
Е.Н. Заяшников
Н.Н. Хвостенко
А.З. Бройтман
Н.М. Лагутенко
А.А. Никитин
А.А. Грибанов
Е.А. Есипко
Л.М. Лазарева
Original Assignee
Акционерное общество открытого типа "Ярославнефтеоргсинтез"
Filing date
Publication date
Application filed by Акционерное общество открытого типа "Ярославнефтеоргсинтез" filed Critical Акционерное общество открытого типа "Ярославнефтеоргсинтез"
Priority to RU95121804A priority Critical patent/RU2096085C1/en
Priority claimed from RU95121804A external-priority patent/RU2096085C1/en
Application granted granted Critical
Publication of RU2096085C1 publication Critical patent/RU2096085C1/en
Publication of RU95121804A publication Critical patent/RU95121804A/en

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Claims (1)

1. Способ восстановления активности платинусодержащего катализатора риформинга, отравленного серой, включающий обработку катализатора водородсодержащим газом с концентрацией Н2S менее 2 мг/м3 при температуре 480 - 530oС, выжиг кокса, повторную продувку водородсодержащим газом, обработку хлорорганическим соединением в кислородсодержащей среде и вновь водородсодержащим газом, отличающийся тем, что обработку водородсодержащим газом после обработки хлоорганическим соединением проводят путем периодического, не менее двух раз, повышения давления с 0,5 - 0,7 до 2,2 -2,5 МПа, выдержки в течение 5-6 часов с последующим сниженим давления до 0,5 - 0,7 МПа.1. A method of restoring the activity of a sulfur-poisoned platinum reforming catalyst, comprising treating the catalyst with a hydrogen-containing gas with an H 2 S concentration of less than 2 mg / m 3 at a temperature of 480-530 ° C. , burning coke, re-purging with a hydrogen-containing gas, treatment with an organochlorine compound in an oxygen-containing medium and again with a hydrogen-containing gas, characterized in that the treatment with a hydrogen-containing gas after treatment with an organochlorine compound is carried out by periodic, at least two times, increase yes phenomena from 0.5 - 0.7 to 2.2 -2.5 MPa, holding for 5-6 hours, followed by a decrease in pressure to 0.5 - 0.7 MPa.
RU95121804A 1995-12-25 1995-12-25 Method of restoring activity of platinum-containing reforming catalyst RU2096085C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95121804A RU2096085C1 (en) 1995-12-25 1995-12-25 Method of restoring activity of platinum-containing reforming catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95121804A RU2096085C1 (en) 1995-12-25 1995-12-25 Method of restoring activity of platinum-containing reforming catalyst

Publications (2)

Publication Number Publication Date
RU2096085C1 RU2096085C1 (en) 1997-11-20
RU95121804A true RU95121804A (en) 1997-11-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU95121804A RU2096085C1 (en) 1995-12-25 1995-12-25 Method of restoring activity of platinum-containing reforming catalyst

Country Status (1)

Country Link
RU (1) RU2096085C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8889579B2 (en) * 2012-03-20 2014-11-18 Uop Llc Process for managing sulfur on catalyst in a light paraffin dehydrogenation process

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