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| ID No : | 851 Edit | Title: | Cascade Distillation Subsystem Development: Early Results from the Exploration Life Support Distillation Technology Comparison Test |
| Summary / Review : | "In 2009, the Cascade Distillation Subsystem (CDS) wastewater processor (Honeywell International, Torrance, California) was assessed in the National Aeronautics and Space Administration (NASA) Exploration Life Support (ELS) distillation comparison test. The purpose of the test was to collect data to support down-selection and development of a primary distillation technology for application in a lunar outpost water recovery system. The CDS portion of the comparison test was conducted between May 6 and August 19, 2009. The system was challenged with two pretreated test solutions, each intended to represent a feasible wastewater generated in a surface habitat. The 30-day equivalent wastewater loading volume for a crew of four was intended to be processed for each wastewater solution. Test Solution 1 consisted of a mixed stream containing human-generated urine and humidity condensate. Test Solution 2 contained the addition of human-generated hygiene wastewater to the solution 1 waste stream components. Approximately 1500 kg of total wastewater was processed through the CDS during testing. Respective recoveries per solution were 93.4 +/- 0.7 and 90.3 +/- 0.5 percent. The average specific energy of the system during testing was calculated to be less than 120 W-hr/kg. The following paper provides detailed information and data on the performance of the CDS as challenged per the ELS distillation comparison test." (Author's abstract) |
| Author(s) : |
Callahan, Michael R.; Patel, Vipul; Pickering, Karen D., [Johnson Space Center] |
| Publication Date: | 2010 |
| Category(s) : |
Life / Mobile Life Support (PLSS, LSHS) |
| Progress Type: | T ( A=Analysis only, D=Design, T=Testing, C=Completed or Commercial product ) |
| Web URL : |
http://hdl.handle.net/2060/20100017184
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| PERMANENT code(s) : | L,U |
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(Explanation of the last 3 rows above) |
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| NTRS : | 20100017184 |
| Other Ref # : | JSC-CN-20039 |
| Submitted by : | MEP |
| Comments: |
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