Can an exhaust system containing phenol and formaldehyde share a single exhaust pipe?
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I would like to ask the experts in the group: there are phenol storage tanks and formaldehyde storage tanks in the tank area. Can we use the same exhaust pipe for exhaust gas absorption?
Phenol exhaust gas requires heating, while formaldehyde does not; if a single pipe is used, there is a possibility of polymerization
The exhaust pipe is a heat-tracing pipe, but I checked and found that the saturated vapor pressure of phenol at 40 degrees Celsius is only 0.13 kPa; this means that the concentration of phenol in the exhaust pipe is very low. In the absence of a catalyst, no reaction should occur.
There is no issue with chemical reactions; rather, it’s the problem that phenol has a melting point of around 41 degrees, which makes it prone to solidifying. If the phenol-containing exhaust pipeline is not insulated, the small amount of vaporized phenol that evaporates will solidify and block the pipeline.
I also think that no reaction will occur in the absence of a catalyst, but the solidification issue of phenol needs to be considered