Catalyst for wet flue gas denitrification and application thereof
A catalyst and denitrification technology applied in the chemical industry to achieve the effects of easy recovery, high catalytic activity, and improved denitrification efficiency
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[0023] A catalyst for wet flue gas denitrification, the active ingredient of which is composed of iron oxide and foamed copper oxide (hereinafter referred to as Fe 2 o 3 @CuO x ), the preparation method of the catalyst is as follows:
[0024] Step 1, use 13.56mol / L acetone and 0.1mol / L dilute hydrochloric acid to remove dirt from the copper foam under ultrasonic vibration, and wash with deionized water to remove residual hydrochloric acid and acetone to obtain clean copper foam;
[0025] Step 2, roasting the clean foamed copper in air at 500°C for 6 hours to obtain foamed copper oxide;
[0026] Step 3, 1.4mmol FeSO 4 ·7H 2 O was dissolved in 70 ml deionized water with stirring to form FeSO 4 solution, then the solution and foamed copper oxide were transferred to a lined stainless steel autoclave, and 2.5 mmol of sodium hydroxide tablets were added quickly to obtain a mixed solution;
[0027] Step 4, place the high-pressure reaction kettle with the mixed solution in an ov...
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