a kind of so 2 Flue gas treatment method and device
A treatment method, flue gas technology, applied in the direction of gas treatment, separation methods, chemical instruments and methods, etc., can solve the problems of uneconomical, no adsorption and concentration methods, etc., to reduce treatment costs, good environmental protection benefits and economic benefits, excellent Effect of SO2 physisorption performance
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Embodiment 1
[0027] Contains SO 2 The gas is the regenerated flue gas of S-zorb adsorbent, which is pretreated by dust removal, cooling, dehydration and drying before compression and condensation, and the SO in the exhaust gas after treatment 2 The volume concentration of O is 2% to 5%. 2 The volume concentration is less than 0.2%, and the flue gas treatment capacity is 500Nm 3 / h.
[0028] Preparation of modified zinc-based metal-organic framework materials: using MOF-5 as the matrix, the specific surface area is 1655m 2 / g, the pore volume is 1.13cm 3 / g, Zn content 31.2%. The MOFs-5 were doped with 1.0% histidine by mass, and treated at 1000 °C for 6 hours in the presence of nitrogen to obtain modified Zn-based metal-organic framework materials.
[0029] will contain SO 2 The flue gas is compressed and condensed, the gauge pressure is controlled at 2.0MPaG, and the temperature is -10°C. After compression and condensation, it enters the condensation liquefaction unit, and the cond...
Embodiment 2
[0032] Contains SO 2 The gas is the regenerated flue gas of S-zorb adsorbent, which is pretreated by dust removal, cooling, dehydration and drying before compression and condensation, and the SO in the exhaust gas after treatment 2 The volume concentration is 3% to 10%, O 2 The volume concentration is less than 0.2%, and the flue gas treatment capacity is 1000Nm 3 / h.
[0033] Preparation of modified zinc-based metal-organic framework materials: using MOF-5 as the matrix, the specific surface area is 1655m 2 / g, the pore volume is 1.13cm 3 / g, Zn content 31.2%. The MOFs-5 were doped with 1.0% histidine by mass, and treated at 1000 °C for 6 hours in the presence of nitrogen to obtain modified Zn-based metal-organic framework materials.
[0034] will contain SO 2 The flue gas is compressed and condensed, the gauge pressure is controlled at 2.0MPaG, and the temperature is -15°C. After compression and condensation, it enters the condensation liquefaction unit, and the conde...
Embodiment 3
[0037] Contains SO 2 The gas is the regenerated flue gas of S-zorb adsorbent, which is pretreated by dust removal, cooling, dehydration and drying before compression and condensation, and the SO in the exhaust gas after treatment 2 The volume concentration is 2% to 5%, O 2 The volume concentration is less than 0.2%, and the flue gas treatment capacity is 500Nm 3 / h.
[0038] Preparation of modified zinc-based metal-organic framework materials: using MOF-5 as the matrix, the specific surface area is 1655m 2 / g, the pore volume is 1.13cm 3 / g, Zn content 31.2%. The MOFs-5 were doped with 1.0% histidine by mass, and treated at 1000 °C for 6 hours in the presence of nitrogen to obtain modified Zn-based metal-organic framework materials.
[0039] will contain SO 2 The flue gas is compressed and condensed, the gauge pressure is controlled at 1.0MPaG, and the temperature is -15°C. After compression and condensation, it enters the condensation liquefaction unit, and the condens...
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