Organic waste gas purifying method
A technology of organic waste gas and waste gas, which is applied in the direction of chemical instruments and methods, separation methods, and dispersed particle separation, etc., can solve the problems of exhaust gas pollution, etc., and achieve the effects of high purification rate, stable operation, good social benefits and environmental benefits
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[0022] Examples 1-7
[0023] A certain polyester production facility emits waste gas, and the waste gas discharge amount is 100~1000m 3 / h; The exhaust gas mainly contains pollutants such as acetaldehyde, metaldehyde, and glycol droplets, in addition to PTA dust, water vapor and other components. The total hydrocarbon range is 3000 to 20000 μL / L. The exhaust gas is led out by a fan and enters the adsorption tank for adsorption-filtration-concentration homogenization pretreatment; the pre-treated exhaust gas enters the heat exchanger, exchanges heat with the gas discharged from the catalytic combustion reactor to a certain temperature, and then enters the heater; enters heating When the exhaust gas temperature of the reactor reaches the reactor inlet temperature, the heater stops heating; otherwise, the exhaust gas needs to be heated to the required reactor inlet temperature, enter the catalytic combustion reactor, and be completely oxidized under the action of the catalyst. The pu...
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[0026] Example 8
[0027] This example specifically illustrates the removal effect of the adsorption homogenization tank on PTA dust and glycol droplets. The activated carbon particles are used as the adsorbent, and the volume space velocity of the adsorption homogenization tank bed is 500h. -1 . Waste gas treatment capacity is 200Nm 3 / h, the dust concentration at the inlet of the adsorption homogenization tank is 50 mg / m 3 , Ethylene glycol droplet is 10mg / m 3 ; After treatment, the concentration of glycol droplets and dust in the outlet gas of the adsorption homogenization tank was not detected. With the passage of time, the distribution of the white dust absorbed by the adsorbent in the adsorption homogenization tank continues to move forward along the direction of the airflow. After 10 months of continuous operation, dust was detected at the outlet of the adsorption homogenization tank, which indicates that the activated carbon in the adsorption homogenization tank has penetr...
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