2017-7-11 Purification Technology Edition Daily Question
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This post was last edited by hai8487 on 2017-7-11 at 16:50. 1. To increase the cooling effect of liquid nitrogen washing, one can use ( ) A. Increasing the amount of nitrogen used for washing B. Increasing the amount of crude nitrogen C. Increasing the amount of refined nitrogen. 2. The components of the exhaust gas after liquid nitrogen washing are ( ) A. N2, O2, H2S, CO2, CO B. N2, CO, AR, CH4 C. N2, CO2, CO, CH3OH D. N2, H2S, CO2, CO. 1. A, B 2. B. [New reminder] Petrochemical sector – “Creative Ideas for Energy Saving” campaign (the second phase is currently in progress): http://bbs.hcbbs.com/thread-1666758-1-1.html [New reminder] 2017 Coal Chemicals – “My Technical Upgrades”: http://bbs.hcbbs.com/thread-1786290-1-1.html
1. To increase the cooling capacity of the liquid nitrogen washing process, the following measures can be taken: (AB) A. Increase the amount of nitrogen used for washing; B. Increase the amount of crude nitrogen; C. Increase the amount of refined nitrogen. 2. The components of the exhaust gas after liquid nitrogen washing are (B) A. N2, O2, H2S, CO2, CO; B. N2, CO, AR, CH4; C. N2, CO2, CO, CH3OH; D. N2, H2S, CO2, CO