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Laboratory exhaust must be treated to meet emission standards before high-level emissions can occur.According to different typesof exhaust gas, the commonly used laboratory exhaust gas treatment devices mainly include:. acid mist spray tower and activatedcarbon adsorption tank.

���F������  Acid fog purification tower

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Operating principle:

Acid alkaline waste gas pushes into the bottom of tower by fan.The gas willreact with the absorption liquid when they go through the spray section.Thenthe waste gas,with low acid fog density,enters into the second section,aftertake reacting with the plastic ball,the expellant gas from the tower has a lowerdensity and can meet the state standard.