Process for heterogeneous synthesis and related reactors

Details Process for heterogeneous synthesis and related reactors Process for heterogeneous synthesis and related reactors

B - Operations, Transporting

01

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23/371, 23/425,

B01J 15/00 (2006.01) B01J 8/04 (2006.01) C01C 1/04 (2006.01) C07C 29/152 (2006.01)

Patent

CA 1306846

- 11 - TITLE : IMPROVED PROCESS FOR HETEROGENEOUS SYNTHESIS AND RELATED REACTORS APPLICANTS (ASSIGNEES) : 1. AMMONIA CASALE S.A., Via della Posta 4 CH-6900 Lugano, Switzerland 2. UMBERTO ZARDI, Via Lucino 57 CH-6932 Breganzona, Switzerland INVENTORS : 1. UMBERTO ZARDI, Via Lucino 57 CH-6932 Breganzona, Switzerland Managing Director of AMMONIA CASALE S.A. 2. GIORGIO PAGANI Salita dei Frati 13 CH-6900 Lugano, Switzerland Technical Director of AMMONIA CASALE S.A. PRIORITY : Based on Swiss Patent Application No. 02529/87-9 dated 3.07.1987 A B S T R A C T Improved process for heterogeneous synthesis and related reactors according to which the synthesis catalyst is distributed in three catalytic beds either axial-radial or radial, control of the temperature between beds being effected by means of fresh quench gas between the first and the second bed and by means of indirect cooling with an exchanger between the second and the third bed of the gas leaving the second bed, using fresh gas which is heated inside the tubes of said exchanger.

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