Basic Knowledge of Ammonia Synthesis – Daily Question 44

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This post was last edited by Yan Qiusheng on 2011-2-27 at 11:02. Multiple-choice question 1: Methanol washing for desulfurization is carried out under ( ). A、High temperature, low pressure, B、Low temperature, high pressure, C、Low temperature, low pressure, D、High temperature, high pressure. 2. Among the following substances, which one is most easily absorbed by low-temperature methanol? ( ) A、Carbon dioxide, B、Carbon monoxide, C、Hydrogen sulfide, D、Hydrogen. 3. The low-temperature methanol wash desulfurization unit is primarily used to remove () from the process feed gas. A、Carbon dioxide, B、Carbon monoxide, C、Hydrogen sulfide, D、Hydrogen. 4. At room temperature, the density of water is 1000 kg/m3. A certain washing tower uses water at room temperature for cleaning; the volumetric flow rate of this washing water is 100 m3/h, so its mass flow rate is ( ) t/h. A、10, B、98, C、100, D、1000. 5. Low-temperature methanol carbon capture utilizes the property that carbon dioxide has a low solubility in low-temperature methanol. A、Very soluble, B、Slightly soluble, C、Insoluble, D、Difficult to determine. 1. (B), 2. (C), 3. (C), 4. (C), 5. (A).