PROCESS FOR THE REGENERATION OF CATALYSTS FOR STEAM CRACKING

Title:

PROCESS FOR THE REGENERATION OF CATALYSTS FOR STEAM CRACKING

Document Type and Number:

WIPO Patent Application WO2002045850

Kind Code:

A3

Abstract:

Process for the regeneration of exhausted catalysts, containing one or more calcium aluminates, for steam cracking reactions, comprising treating said exhausted catalysts in a stream of water vapour at a temperature ranging from 700 to 950 DEG C, preferably from 720 to 850 DEG C, and at a pressure ranging from 0.5 to 2 atm.

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Inventors:

PEREGO CARLO (IT)
POLLESEL PAOLO (IT)
SOPRANI MASSIMO (IT)
ROMAGNOLI MASSIMO (IT)

Application Number:

PCT/EP2001/013622

Publication Date:

August 14, 2003

Filing Date:

November 21, 2001

Export Citation:

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Assignee:

POLIMERI EUROPA SPA (IT)
ENITECNOLOGIE SPA (IT)
PEREGO CARLO (IT)
POLLESEL PAOLO (IT)
SOPRANI MASSIMO (IT)
ROMAGNOLI MASSIMO (IT)

International Classes:

B01J23/92; B01J37/00; B01J38/06; C01F7/164; C10G11/04; B01J23/02; B01J23/22; B01J23/28; (IPC1-7): B01J23/92; C10G11/04; B01J38/06

Foreign References:

US3969542A	1976-07-13
US3767567A	1973-10-23
US4244811A	1981-01-13
DD243647A1	1987-03-11
EP0323784A1	1989-07-12

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