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The Development Of Activated Carbon

sxasxs United States

Organic waste gas comes from a variety of sources, and its generation and emission methods are not the same.Therefore, the treatment technology of organic waste gas is also varied, and each treatment technology also has its own different advantages and disadvantages.activated carbon coconut shell 

In the actual production process, according to different conditions, the choice of appropriate methods is the key to organic waste gas treatment.activated charcoal wholesale

The treatment of organic waste gas mainly includes two categories: recovery method and elimination method.The main recovery technologies of organic waste gas include: adsorption method, absorption method, condensation method, membrane separation technology and pressure swing adsorption technology.Organic waste gas elimination technology can be divided into two categories: physical - chemical method and biological method.

Physical - chemical methods include thermal destruction, photodecomposition, corona, ozone decomposition, etc.Biological methods include biological filter, biological drip filter, biological scour tower, membrane bioreactor, activated sludge process, etc.The purification rate of activated carbon adsorption method can reach more than 95%, if there is no regeneration device, the operation cost is too high, if the steam recovery, the process is too long, the operation cost is high, the recovery of solvent and water mixture utilization value is not high;Regeneration needs a stable steam source, and the adsorption capacity of activated carbon after repeated adsorption and desorption will gradually reduce, generally use two or three years after the replacement.The purification rate of liquid absorption method is only 60%-80%, and there are secondary pollution problems.