2017-6-13 Purification Technology Edition Daily Question
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1. The possible factors affecting the desulfurization of Co-Mo-based shift catalysts are ( ). A. Excessively high system pressure B. Too high gas-to-vapor ratio C. Too low temperature. 2. During sulfidation at elevated temperatures, carbon disulfide can be added to the system once the temperature in the upper part of the bed reaches ( ) °C. A、180 B、300 C、200 BC Note: Answers to this question must be submitted within 3 days! ! !
1. (B) 2. (C)