Development of a three-man preprototype CO2 collection subsystem for spacecraft applicationFuture long-duration manned space missions will require regenerable carbon dioxide (CO2) collection concepts such as the Electrochemical Depolarized CO2 Concentrator (EDC). A three-man-capacity preprototype CO2 Collection Subsystem (CS-3) is being developed for eventual flight demonstration as part of the Air Revitalization System (ARS) of the Regenerative Life Support Evaluation (RLSE) experiment. The CS-3 employs an EDC to concentrate CO2 from the low partial-pressure levels required of spacecraft atmospheres to high partial-pressure levels needed for oxygen (O2) recovery through CO2 reduction processes. The CS-3 is sized to remove a nominal 3.0 kg/day (6.6 lb/day) of the CO2 to maintain the CO2 partial pressure (pCO2) of the cabin atmosphere at 400 Pa (3 mm Hg) or less. This paper presents the preprototype design, configuration, operation, and projected performance characteristics.
Document ID
19770064008
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Schubert, F. H. (Life Systems, Inc. Cleveland, OH, United States)
Wynveen, R. A. (Life Systems, Inc. Cleveland, Ohio, United States)
Quattrone, P. D. (NASA Ames Research Center Moffett Field, Calif., United States)
Marshall, R. D. (Life Systems, Inc. Cleveland, OH, United States)
Date Acquired
August 9, 2013
Publication Date
July 1, 1977
Subject Category
Man/System Technology And Life Support
Report/Patent Number
ASME PAPER 77-ENAS-19
Meeting Information
Meeting: Intersociety Conference on Environmental Systems