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Organic Waste Gas Treatment Process of Doyen(China)

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Organic Waste Gas Treatment Process of Doyen(China)

Organic waste gas treatment process
有机废气处理工艺流程

Organic waste gas treatment process Organic waste gas treatment process

 

车间的有机废气经风机引至厂房外面,先进入水喷淋除尘或布袋除尘进行除尘处理。该部分是本处理系统的前处理环节,废气中的灰尘和废渣在该环节得到有效过滤,以减低对后续系统的影响。

Organic waste gas shall be suctioned by fan and send out to spray scrubber or bag filter, which is the pre-treatment part of system, to effectively filter the exhaust waste residue(dust) and reduce its influence on the following part of the system.

 

Organic waste gas treatment process

 

经预处理后的废气进入UV光解装置,利用高能高臭氧UV紫外线光束分解空气中的氧分子产生游离氧,即活性氧,因游离氧所携正负电子不平衡所以需与氧分子结合,进而产生臭氧。众所周知臭氧对有机物具有极强的氧化作用,对恶臭气体及其它刺激性异味有极强的清除效果。经过UV光解净化器的废气再进入活性炭吸附器,这是本工艺的主体部分,有机废气经过活性炭吸附段,该部分填装有大量活性炭,依靠活性炭的巨大的比表面积,能对有机废气中的苯、甲苯、二甲苯等有机溶剂挥发性污染物进行吸附,使其从废气中分离出来,从而达到净化气体的目的。经活性炭吸附床净化后的废气经排气筒达标排放。

After pre-treatment, the waste gas shall come into the UV light catalytic oxidation purifier. The high-energy high UV ultraviolet light will decompose of oxygen molecules of the air and produce free oxygen, namely reactive oxygen species, which with electron-positron imbalance, needs to combine with oxygen to produce ozone.
It is known that ozone has a strong oxidation effect on organics, also has a strong cleaning effect on the malodorous gas and other irritating odors.

After UV photolysis purifier, the waste gas will come into the activated carbon absorber, which is the main part of this system. In this part, due to its filled with a large number of activated carbon, and huge specific surface area, it is able to absorb the pollutants, such as benzene, toluene, xylene and other organic solvent, so that separate the pollutants from waste gas and achieve the purpose of purifying gas.
Once the surface of activated carbon is saturated with a large amount of gaseous pollutants and loses the active adsorption ability, it must be re-active or replaced.
After the purification of activated carbon adsorption, the exhaust gas will be cleaned and can be discharge outside with meeting environmental regulation.

 

工艺流程方框图

Organic waste gas treatment process

Process flow diagram

 

工艺流程示意图

Organic waste gas treatment process

Process flow diagram

Nov-09-2018

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