A collaborative flue gas waste heat utilization system and carbon-based loaded ionic liquid desulfurization method
A flue gas waste heat and flue gas technology, applied in separation methods, chemical instruments and methods, gas treatment, etc., can solve the problems of high-viscosity ionic liquid absorbent regeneration, high energy consumption, etc., achieve stability, economical benefits, and reduce emissions. , to enhance the effect of heat transfer
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example 1
[0050] Example 1: The ionic liquid used was synthesized under the action of microwaves. The ratio of triethanolamine and acetic acid was 1.2:1. After synthesis, activated carbon or silica gel was used for loading by impregnation. The loading ratio was 0.75:1, and then the ionic liquid was realized by evaporation and drying. load;
example 2
[0051] Example 2: The ionic liquid used was synthesized under the action of microwaves, the ratio of triethanolamine and acetic acid was 1.2:1, and after synthesis, 80-120 mesh activated carbon was used for loading by impregnation. The load ratio is 0.75:1, accurately weigh 7.5g of ionic liquid and dissolve it in 30ml of absolute ethanol, put 10g of 80-100 mesh activated carbon into it, keep stirring and gradually raise the temperature to 90°C, when most of the solvent is evaporated , put the loaded activated carbon into a drying oven at 50°C and dry until particles appear.
[0052] Take 2g of loaded activated carbon and place it in the reactor, pass through the simulated flue gas, and carry out the adsorption experiment at 40°C, and the loaded activated carbon is penetrated for about 7 hours.
example 3
[0053] Example 3: The ionic liquid used was synthesized under the action of microwaves, the ratio of triethanolamine and acetic acid was 1.2:1, and after synthesis, 60-80 mesh was used for loading by impregnation. The loading ratio is 0.75:1. Accurately weigh 7.5g of ionic liquid and dissolve it in 30ml of absolute ethanol. Put 10g of activated carbon into it, stir continuously and gradually raise the temperature to 90°C. When most of the solvent is evaporated, put the loaded The silica gel was dried in a drying oven at 50°C until particles appeared.
[0054] Take 2g of loaded activated carbon and place it in the reactor, pass through the simulated flue gas, and conduct the adsorption experiment at 40°C. The adsorption is complete in about 1.5h.
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