Formaldehyde waste gas
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I would like to ask everyone: since formaldehyde is soluble in water, why can’t we use water to absorb formaldehyde from exhaust gases?
It can be used, but wastewater containing formaldehyde still needs to undergo water treatment.
What to do with wastewater that has absorbed formaldehyde? This is essentially transferring pollutants from the air into water
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Now, formaldehyde can be catalytically decomposed at room temperature
If formaldehyde is recovered using water, the wastewater generated also needs to be treated
The absorption effect is limited; it’s impossible to absorb everything completely