2017-6-12 Purification Technology Edition Daily Question
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1. The deoxidation method used in the design of shift reactors is ( ). A. Thermal deoxidation B. Chemical deoxidation C. Both of the above. 2. The inlet temperature of the shift reactor is controlled at ( ). A. 240°C B. 255°C C. 265°C. 3. Possible factors that affect the resistance to desulfurization in Co-Mo-based shift catalysts include ( ). A. Excessively high system pressure B. Too high steam-to-gas ratio C. Low temperature. CCB Note: Answers to this question must be submitted within 3 days! ! ! !
C---------------C-----------------------B
1. The deoxidation method used in the design of shift reactors is (C). A. Thermal deoxidation method B. Chemical deoxidation method C. Both of the above methods are used. 2. The inlet temperature of shift reactors is controlled at (C). A. 240°C B. 255°C C. 265°C 3. Possible factors that affect the resistance to desulfurization in Co-Mo-based shift catalysts include (B). A. Excessively high system pressure B. Excessively high gas-to-steam ratio C. Low temperature
1、C 2、C 3、B
1、C 2、C 3、B
1.C 2.C 3.B
1. The deoxidation method used in the design of shift reactors is (c): A. Thermal deoxidation method; B. Chemical deoxidation method; C. Both of the above. 2. The inlet temperature of shift reactors is controlled at (c): A. 240°C; B. 255°C; C. 265°C. 3. Possible factors that affect the resistance to desulfurization in Co-Mo-based shift catalysts include (b): A. Excessively high system pressure; B. Too high steam-to-gas ratio; C. Low temperature