Patent ID: 11883781
Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
Field: Chemical engineering (Chemistry)
Classification: CPC B  Y | IPC B

Claim 0:
1. An apparatus for removing nitrogen oxide from exhaust gas, comprising:
a chamber through which exhaust gas is introduced and discharged;
a nozzle injecting a solution into the chamber, the solution reacting with the exhaust gas introduced into the chamber;
an electric dust collecting unit installed at a rear end of the chamber to be supplied with the exhaust gas processed in the chamber and including a discharge unit and a dust collecting unit;
a gas analyzer measuring a concentration of NOx and H2S of the exhaust gas discharged from the electric dust collecting unit; and
a storage tank located under the chamber to store the solution,
wherein the solution is circulated between the nozzle and the storage tank through a pump.