2017-6-8 Purification Technology Edition Daily Question
Thread Content
1. When the steam pressure is lower than the system pressure, open ( ) to vent and relieve pressure. A. Outlet of low-temperature reformer; B. Outlet of System B; C. Inlet of System C. 2. The category of low-temperature reforming catalyst is ( ). A. Iron-chromium series; B. Cobalt-molybdenum series. C. B. Note: Answers to this question must be submitted within 3 days! ! !
1. B system outlet 2. A iron-chromium series