Patent ID: 9314738
Filing Date: 2016-04-19
CPC Classification: B01D

Claim Text:
1. A device for neutralizing acidic vapors in a gas stream comprising: a hollow canister having an outlet for gas; a volume of acid-neutralizing particles retained in a packed configuration within the canister and including a quantity of liquid disposed within the canister and intermixed with the particles; a conduit for directing a gas stream into the canister and into the volume of acid-neutralizing particles and liquid; the canister also comprising: a cavity located above the particles, and a retainer extending over the volume of acid-neutralizing particles and configured to prevent upward movement of the particles while allowing passage of gas and liquid upward through the retainer and into the cavity; such that a gas stream directed through the conduit with sufficient velocity will pass through the particles and at least partially lift the liquid within the volume of acid-neutralizing particles into the cavity before separating from the gas and falling back into the volume of acid-neutralizing particles, whereby acidic vapors in the gas stream are neutralized before the gas stream leaves through the outlet.