B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/39, 260/676
B01J 23/74 (2006.01) B01J 23/755 (2006.01) B01J 33/00 (2006.01) C01B 17/78 (2006.01) C01C 1/04 (2006.01) C07C 1/04 (2006.01) B01J 37/02 (2006.01)
Patent
CA 1165749
A B S T R A C T The invention relates to a method of perform- ing exothermal catalytic processes in the gaseous phase using a cooled reactor containing a fixed or fluid bed or a porous, particulate catalyst so that in such a process a reduced reaction rate in the high-temperature range and thereby an improved security against reaction- runaway is obtained by using a catalyst the individual particles of which outermost have a zone of reduced activity, possibly no activity at all, with respect to the desired reaction; the principle of the invention is suitable, for example for hydrocarbon reactions such as methanation or Fischer-Tropsch synthesis.
377706
Jýrn Ernst
Pedersen Karsten
Rostrup-Nielsen Jens R.
Skov Allan
Goudreau Gage Dubuc
Haldor Topsýe A/s
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