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The Closed Ecology Experiment Facilities (CEEF) have been under construction in northern Japan since 1994. These facilities contain the Closed Plant Experiment Facility (CPEF), as well as other facilities, in all of which, Controlled Ecological Life Support Systems (CELSS) research and development can be conducted. The CPEF includes two Plant Cultivation Modules (PCMs), which contain a PCM consists of three 30m2 closed cultivation rooms illuminated solely by lamps and a 165.1m3 preparation room, and a PCM consists of a 60m2 closed cultivation room illuminated by natural light and supplemental lamps and a 88.8m3 preparation room, and a Material Circulation System (MCS). Measured rate of air exchange between a 30m2 cultivation room and the preparation room was 0.48% hour-1, and that for a 60m2 cultivation room was about 0.11% hour-1. Air leak rate of the PCM as a whole was less than 0.01% hour-1 under isothermal and equal pressure condition.

This waste management process must be capable of treating the various wastes generated within Controlled Ecology Experiment Facilities (CEEF) and operate effectively in and environment in which carbon, oxygen, nitrogen, salts, and other important minerals, exit. The catalytic Wet Oxidation Process (W/O Process) is regarded to be the most feasible candidate process for such waste management. This paper clarifies the performance data and the design data of the actual device. By applying these comparison data, for example, water balance, insoluble part balance, organic part balance, and inorganic balance for CEEF, we were also able to confirm the usefulness and applicability of the actual Wet Oxidation Device.