Device for removal of contaminants from fluid streams

A device for purifying a workstream, the device comprising a filter structure wherein essentially all of the filter structure is made of activated carbon, wherein essentially all of the activated carbon is derived from a carbon precursor, having inlet and outlet faces, and a multiplicity of cells separated by porous walls and extending longitudinally and mutually parallel therethrough from inlet to outlet end, a portion of the total number of cells being plugged at the inlet end face, and the remaining portion of the total number of cells being plugged at the outlet end face of the device.

A method of making a device for purifying a workstream, the method comprising:

• a) providing a multicellular activated carbon structure, wherein the activated carbon is derived from a carbon precursor, having inlet and outlet end faces, and a matrix of porous walls defining a plurality of cells extending longitudinally and mutually parallel therethrough between the inlet and outlet end faces;
• and
• b) plugging a portion of the total number of cells at the inlet end face, and plugging the remaining portion of the total number of cells at the outlet end face to form said device, said device having a filter structure.