Process for up-grading steam-cracking products

(19)

(11)

EP 0 262 049 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	22.03.1989 Bulletin 1989/12

(43)	Date of publication A2:
	30.03.1988 Bulletin 1988/13

(21)	Application number: 87402135.5

(22)	Date of filing: 24.09.1987

(51)	International Patent Classification (IPC)⁴: C10G 35/09, B01J 29/36, C10G 63/04

(84)	Designated Contracting States:
	DE FR GB IT NL

(30)

Priority:

25.09.1986 CA 519081

(71)	Applicant: L'INSTITUT DE L'AMIANTE
	Montreal Quebec H3A 2M8 (CA)

(72)	Inventor:
	Le Van Mao, Raymond Montreal Quebec (CA)

(74)	Representative: Mongrédien, André (FR) et al
	Les Séquoias 34, rue de Marnes F-92410 Ville d'Avray F-92410 Ville d'Avray (FR)

(56)

References cited: :

(54)	Process for up-grading steam-cracking products

(57) There is provided with the present invention a new process for up-grading products resulting from the steam-cracking of hydrocarbons which comprises bringing the steam-cracking reaction products in contact with a catalyst comprising a mixture of from 2.5 to 7.5% wt of Cr₂O₃, 5 to 17.5% wt of Al₂O₃ and 75 to 85% wt of a Zn-ZSM-5 zeolite or a Zn-ZSM-5 zeolite/asbestos and recovering the desired products.

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