Molybdenum News Center

Cobalt-molybdenum catalysts based on performance, note the following in its filling: 

(1) can be filled with the catalyst space velocity is calculated. CO conversion is selected when the load, the operating pressure can be easily determined with airspeed. Airspeed semi water gas (dry, CO ~ 30%) prevail if the CO content of the feed gas to 45% due to lower the selected airspeed. Specific reference to the following table: 

 

Of course, the whole process instead of the low variant becomes the catalyst airspeed that part of the increase due to hot temperatures, desirable than twice as high as the value of a table; process for dual low to wide variations catalyst airspeed second take preferably 30 to 50% than that in Table 1 is low. 

 

(2) In order to prevent the drift gas, each bed height of not less than 1m, the bed height to diameter ratio of 0.5 to 1.0 is appropriate. 

 

(3) When the catalyst loading, catalyst should be laid down barbed wire, the following shop floors, to prevent the catalyst leakage; laying the top layer, and then placed 50 ~ 100mm high fire ball or aluminum on the ball in the net, to prevent condensation of water direct contact with the catalyst. 

 

(4) long service life of cobalt-molybdenum catalyst, the catalyst should be installed in the lower part of the conversion furnace, the upper reserved additional space. In addition, the catalyst conversion furnace from the top down is generally divided into four regional anti-drug area, preheat zone, reaction zone, reserved area, the amount of catalyst in each region must be guaranteed, and also in the course of close attention to four areas catalyst temperature changes, timely adjustments to ensure life and transform the furnace exit indicators catalyst. 

More molybdenum product: http://www.molybdenum.com.cn
Tel: 0592-5129696 Fax：0592-5129797
E-mail:  This email address is being protected from spambots. You need JavaScript enabled to view it.
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Tungsten News & Tungsten Price: http://www.chinatungsten.com