NITRATION DENITRIFICATION APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a compact nitration denitrification apparatus in which a nitration means is connected to a denitrification means to supply the discharged liquid from the nitration means to the denitrification means, supply the discharged liquid from the denitrification means to the nitration means and circulate them between both the means until ammonia gas becomes harmless nitrogen gas without discharging both the liquids to the external environment. SOLUTION: This nitration denitrification apparatus has the nitration means and the denitrification means. In the apparatus a circulation liquid is circulated between the nitration means and the denitrification means. The nitration means comprises a nitration unit where the reaction to produce nitric acid and/or nitrous acid from ammonia with a microbe A is carried out and the denitrification means comprises a denitrification unit where the reaction to produce nitrogen from the nitric acid and/or nitrous acid with another microbe B is carried out.