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Nice work but somewhat strange. The key question in Haber process is temperature not pressure since the reaction is reversible and exothermic. Increasing temperature decrease the equilibrium reaction. The catalyst described here works at 400 oC which is around the temperature of the commercial process. Therefore the equilibrium constant should be similar. Pressure is used to shift the equilibrium to ammonia. At low pressure the yield would be negligible. Am I wrong?

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