Patent ID: 8043578
Filing Date: 2011-10-25
Classification: B01J,C10G

Abstract:
1. An apparatus for fluid-solid contacting comprising: a vertically oriented, substantially cylindrical vessel having a vessel wall, a fluid inlet and a fluid outlet; a vertically oriented centerpipe having a centerpipe radius and disposed within the vessel and having a first end, a second end and a centerpipe wall, wherein the first end is a fluid inlet and is in fluid communication with the vessel fluid inlet, and the fluid outlet comprises apertures in the centerpipe wall; a vertically oriented cylindrical screen having a radius greater than the centerpipe radius, a screen top edge and a screen bottom edge and disposed between the centerpipe and the vessel wall, and spaced a distance from the centerpipe wall, wherein the screen comprises apertures to allow fluid to flow across; a plug distributor disposed within the centerpipe and affixed to centerpipe second end; a centerpipe upper blankoff disposed between the second end of the centerpipe and a toroidal cap; a screen upper blankoff disposed between the screen top edge and the toroidal cap; and the toroidal cap sealingly connecting the top of the centerpipe upper blankoff with the top of the screen upper blankoff.