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NASA NTRS · 19620004474

Advanced Environmental Systems

John L Mason·William L Burriss
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Abstract

Atmosphere controls for advanced manned space vehicles will in some cases require techniques different from those selected as optimum for the Mercury environmental control system (ECS). Water conservation will be rigorous for vehicles which use a solar or nuclear auxiliary power unit (APU). For missions longer than a few hundred hours, CO2 will be removed in a regenerable process. Several promising regenerable CO2 removal systems are presented, including freeze-out. Regeneration of oxygen from C02 is discussed as the next step in atmosphere control advancement. Test work on CO2 hydrogenation by the Sabatier process is cited. The recommended makeup of ECS elements is presented as a function of mission duration.

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Manned spacecraftRegenerative cycleEnvironmental controlLife support system

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John L Mason, William L Burriss. 1962-01-01. Advanced Environmental Systems. https://ntrs.nasa.gov/citations/19620004474

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