SNCR + SCR combined denitration technology combines the high efficiency of SCR technology and the low cost of SNCR technology. It sprays the reducing agent into the furnace through the injection system arranged on the boiler wall. The reducing agent and NOx in the flue gas occur at high temperature. Non-catalytic reduction reaction to achieve preliminary denitrification. Then the unreacted reducing agent enters the SCR reactor for further denitration.
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