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目的研究长期载人航天任务中舱室ＣＯ２催化还原处理的大气再生技术。方法研制了ＳａｂａｔｉｅｒＣＯ２还原装置地面实验样机系统。结果在ＣＯ２流量为１．０Ｌ／ｍｉｎ（模拟３人平均排出量）时，反应起动温度可降到１６５℃，起动时间１４ｍｉｎ；Ｈ２与ＣＯ２摩尔比分别为１．９、２．８、３．５、４．０和５．０时，贫组分一次通过转化率均高于９５％；产物水无色，呈中性。结论ＳａｂａｔｉｅｒＣＯ２还原装置地面实验样机系统操作简便，性能达到了设计目的，处理舱室中３人代谢ＣＯ２量有较高的效率。
Aim To study the atmospheric regeneration technology of catalytic reduction of CO2 in the cabin of long-term manned space mission. Methods The Saba tierCO2 reduction device ground experimental prototype system was developed. Results When the CO2 flow rate was 1.0L / min (simulating the average discharge of 3 persons), the reaction start-up temperature was reduced to 165 ℃ and the start-up time was 14min. The molar ratio of H2 to CO2 was 1.9, 2.8 and 3, respectively. 5,4.0 and 5.0, the lean components pass through the conversion rate was higher than 95%; product water colorless, neutral. Conclusion The Sabatier CO2 reduction unit ground-based prototype system is easy to operate and achieves its design goals. It is highly efficient to treat three people in the compartment for CO2 metabolism.