Search Results

Life Systems, Inc. under the sponsorship of the National Aeronautics and Space Administration (NASA), has developed Electrochemical Carbon Dioxide (CO2) Concentration technology that removes CO2 continuously or cyclically from low CO2 partial pressure (400 Pa (3 mm Hg)) atmospheres with the performance and operating characteristics required for Space Station application. The most recent advancement of this technology is the development of an advanced preprototype subsystem, the CS-3A, to remove the metabolic CO2 produced by three persons from the projected Space Station atmosphere. This paper provides an overview of EDC technology, shows how it is ideally suited for Space Station application and presents technology enhancements that will be demonstrated by the CS-3A subsystem development program.

General plans for testing of a regenerative ECLS system in a Module Simulator at MSFC have been been discussed in a previous paper; preliminary test results are given in this paper and a companion by Mr. McAlister. Subsystems for this series of tests have been provided by Life Systems, Inc., AiResearch Manufacturing Co., Umpqua Research Company, Lockheed, and Hamilton Standard. Results of testing those subsystems provided by Hamilton Standard are covered in the other paper. Subsystems have been installed in the Module Simulator in accordance with the test plan. These include the 4-bed Molecular Sieve, the Static Feed Water Electrolysis Subsystem, and the Urine Pretreatment/Mixing Unit to be covered herein.