Sulzer Chemtech Ag

Dale Edward Nutter

Mark William Pilling

Markus Friedrich Fischer

Mark W Pilling

The tray has an infusion field of infusion tab valves adjacent the inlet to dissipate the momentum of the liquid flowing across said infusion field. Each valve includes a vertically upstanding wall of a height to obstruct the flow of liquid and the valves are disposed in a staggered array. An adjacent bubbling area has openings for the passage of an ascending flow of vapor into contact with the liquid/vapor mixture flowing across the area. Each infusion tab valve may also have a push valve incorporated therein.

Tray for a mass exchange column

The valve for a contract tray employs an aperture in a deck that is of rectangular or trapezoidal shape with upstanding walls at the sides of the aperture. The valve body is disposed in the aperture with a cover above the aperture and legs that extend downwardly to interfit with at least the upstream end of the walls to block the liquid flow. The valve body may be fixed or movable. In the movable embodiment, the valve body is seated on the walls about the aperture to close the aperture. The ascending vapor lifts the valve to allow bubbling of the vapor in the liquid on the deck.

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Peralta, NM, United States of America

Dale Edward Nutter