Abstract: A method and apparatus for the treatment of gaseous and particulate material in combustion products and similar fluid discharges, in which the discharge is first subjected to a water spray, any excess water remaining thereafter separated therefrom, the washed discharge placed under a pressure of from approximately 20 to 40 psi, and the pressurized discharge intimately intermixed with water under pressure and subsequently separated therefrom, the treated discharge exhausted and particulates and dissolved materials in the water preferably removed therefrom and the water reused in the washing and intermixing operations.

Abstract: A self-cleaning smoke filter is disclosed. The filter includes a channel having a plurality of longitudinal sides angularly disposed relative to the horizontal, an inlet port for receiving gaseous emissions contaminated by particulate matter and other pollutants, and an outlet port. The filter further includes spraying means for producing a cleansing spray inside said channel, and serpentine baffle means, angularly disposed relative to the horizontal, disposed inside said channel in advance of said outlet exit port.