NH3 Catalan dioxylic acid preparation process and plant, including a catalytic bed for N2O decomposition in processing gas and a catalytic bed for reducing NOx, further reducing the number of N2O D Put it in the exhaust gas.

摘要

Process and plant for the preparation of nitric acid by catalytic oxidation of NH3, which comprises a bed Catalyst for the decomposition of N2O in the gas process and prepared a bed Catalyst for NOx Reduction and make a further decrease in the amount of N2O prepared S in the tail gas.