Catalyst rapid reducing method
A catalyst and reduction furnace technology, applied in chemical instruments and methods, catalyst activation/preparation, physical/chemical process catalysts, etc., can solve the problems of long catalyst reduction time and hydrogen consumption, and achieve hydrogen saving, time saving, reduction short time effect
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[0025] The method of the present invention is applied to the nickel-based catalyst reduction process. The loading amount of nickel-based catalyst is 1.0m 3 , the heating rate is 10℃ / h, and the nitrogen flow rate is 125m 3 / h, the initial hydrogen flow rate is 375m 3 / h, the specific steps of the traditional reduction method and the method of the present invention are shown in Table 1. The reduced catalyst is at 152°C and the volume space velocity of acetone is 0.5h -1 , Acetone: hydrogen: the mol ratio of ammonia is 1: 3: 3, and the catalyst consumption is the evaluation on the isopropylamine evaluation device of 50ml, and the evaluation results are shown in Table 2.
[0026] The specific operation of the method of the present invention is as follows: the initial heating rate of the reduction furnace is set to be 10°C / h, and the nitrogen flow rate is 125m 3 / h, the initial hydrogen flow rate is 375m 3 / h, turn on the reduction control program to increase the temperature, ...
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