Styrene waste gas treatment method
A technology for waste gas treatment and styrene, which is applied in the direction of gas treatment, separation methods, chemical instruments and methods, etc., can solve problems that do not involve the use effect of activated carbon fibers, and achieve the effect of safe adsorption, strong adsorption force, and improved recovery rate
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Embodiment 1
[0028] 1) Use a commercially available activated carbon fiber of T1300 series, put it in a container, use butanol as a solvent, make TMPOP and phosphoric acid or phosphate into an activation solution, stir it evenly, add it to a glass container, the activation solution should be submerged The carbon fiber is about 1 cm, the immersion temperature is 60℃, and the immersion time is 12h. Take it out and filter, dry it, and then dry it in an oven at 92℃ for constant weight; then place it in a muffle furnace in a nitrogen environment Medium heating, heating temperature 140℃, heating time 60 minutes, to obtain modified activated carbon fiber;
[0029] 2) Load the modified activated carbon fiber into the adsorber of the adsorption device; the adsorption device includes 3 adsorbers, which always maintain one adsorption, one dry, and one adsorption saturated state switching operation; the gas containing styrene first enters the adsorption state The styrene is adsorbed on the surface of the...
Embodiment 2
[0032] 1) Use a commercially available activated carbon fiber of T1300 series, put it in a container, use butanol as a solvent, make TMPOP and phosphoric acid or phosphate into an activation solution, stir it evenly, add it to a glass container, the activation solution should be submerged The carbon fiber is about 1 cm, the immersion temperature is 40℃, and the immersion time is 18h. Take it out and filter, dry it, and then dry it in an oven at 93℃ for constant weight; then place it in a muffle furnace in a nitrogen environment Medium heating, heating temperature 125℃, heating time 75 minutes, to obtain modified activated carbon fiber;
[0033] 2) Load the modified activated carbon fiber into the adsorber of the adsorption device; the adsorption device includes 3 adsorbers, which always maintain one adsorption, one dry, and one adsorption saturated state switching operation; the gas containing styrene first enters the adsorption state The styrene is adsorbed on the surface of the...
Embodiment 3
[0036] 1) Use a commercially available activated carbon fiber of T1300 series, put it in a container, use butanol as a solvent, make TMPOP and phosphoric acid or phosphate into an activation solution, stir it evenly, add it to a glass container, the activation solution should be submerged The carbon fiber is about 1 cm, the immersion temperature is 65℃, and the immersion time is 20h. Take it out and filter, dry it, and then dry it in an oven at 92℃ for constant weight; then place it in a muffle furnace in a nitrogen environment Medium heating, heating temperature 160℃, heating time 35 minutes, to obtain modified activated carbon fiber;
[0037] 2) Load the modified activated carbon fiber into the adsorber of the adsorption device; the adsorption device includes 3 adsorbers, which always maintain one adsorption, one dry, and one adsorption saturated state switching operation; the gas containing styrene first enters the adsorption state The styrene is adsorbed on the surface of the...
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Abstract
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