1997-07-01

Experimental Study on Ammonia and Ammonium Nitrate Production System in a Closed Ecological Experiment Facility 972518

In CEEF(Closed Ecological Experiment Facility) which is the first Japanese CELSS experiment facility, the ammonia and ammonium nitrate production system is a nitrogen fixation system as a part of nitrogen circulation system. Nitrogen and water which are input materials to the system are processed to produce ammonia water and ammonium nitrate solution as raw materials of fertilizer for plant cultivation. The design basis of the system is to convert 125g/day of nitrogen to ammonia and ammonium nitrate based on the amount of one person's metabolism.
Experiment of the system has been carried out and we have studied characteristics of the system.

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