A wet denitrification system and method based on air catalytic oxidation to absorb flue gas
A catalytic oxidation and wet denitrification technology, applied in chemical instruments and methods, separation methods, gas treatment, etc., can solve the problems of low oxidant utilization rate, high oxidant cost, equipment corrosion, etc., and achieve low investment and operation costs, utilization High-efficiency, easy-to-operate effects
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Embodiment 1
[0072] The XZCP-K-0.75 ultra-fine bubble generator produced by Yunnan Xiazhichun Environmental Protection Technology Co., Ltd. was selected as the micro-nano bubble generator, and an oxidation absorption tower with a volume of 50L was customized, and a 200L absorption liquid storage tank was customized. Assemble the wet denitrification system for oxidation and absorption of flue gas and check the air and water tightness of the system.
[0073] Prepare a mixed gas with a volume concentration of NO of 1250ppm. with FeSO 4 ·7H 2 O and MnSO 4 4H 2 O prepared Mn 2+ and Fe 2+ 40L of absorption liquid with a concentration of 2mmol / L is loaded into the oxidation absorption tower.
[0074] The inlet water pH of the micro-nano bubble generator is controlled to be 7, the inlet water flow is 12L / min, the inlet flow is controlled to be 50mL / min, and the inlet pressure is controlled to be 0.2MPa.
[0075] In the uncirculated state, the efficiency of primary oxidation NO absorption re...
Embodiment 2
[0077] The XZCP-K-0.75 ultra-fine bubble generator produced by Yunnan Xiazhichun Environmental Protection Technology Co., Ltd. was selected as the micro-nano bubble generator, and an oxidation absorption tower with a volume of 50L was customized, and a 200L absorption liquid storage tank was customized. Assemble the wet denitrification system for oxidation and absorption of flue gas and check the air and water tightness of the system.
[0078] Configure a mixed gas with a NO volume concentration of 3750ppm, use FeSO 4 ·7H 2 O and MnSO 4 4H 2 O prepared Mn 2+ and Fe 2+ 40L of absorption liquid with a concentration of 2mmol / L is loaded into the oxidation absorption tower.
[0079]The inlet water pH of the micro-nano bubble generator is controlled to be 7, the inlet water flow is 12L / min, the inlet flow is controlled to be 150mL / min, and the inlet pressure is controlled to be 0.2MPa.
[0080] In the uncirculated state, the efficiency of primary oxidation NO absorption is 93...
Embodiment 3
[0082] The XZCP-K-0.75 ultra-fine bubble generator produced by Yunnan Xiazhichun Environmental Protection Technology Co., Ltd. was selected as the micro-nano bubble generator, and an oxidation absorption tower with a volume of 50L was customized, and a 200L absorption liquid storage tank was customized. Assemble the wet denitrification system for oxidation and absorption of flue gas and check the air and water tightness of the system.
[0083] Configure a mixed gas with a NO volume concentration of 6250ppm, use FeSO 4 ·7H 2 O formulated Fe 2+ 40L of absorption solution with a concentration of 2mmol / L is loaded into the oxidation absorption tower.
[0084] The inlet water pH of the micro-nano bubble generator is controlled to be 7, the inlet water flow is 12L / min, the inlet flow is controlled to be 250mL / min, and the inlet pressure is controlled to be 0.2MPa.
[0085] In the uncirculated state, the efficiency of primary oxidation NO absorption is 34.1%.
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