Patent ID: 8747980

Claim:
A heat transfer or a heat and mass transfer apparatus comprising: a) a cartridge including a hollow fiber bundle, comprising a plurality of hollow fibers, a first tubesheet and a second tubesheet encapsulating respective distal ends of the hollow fiber bundle, said tubesheets having boreholes in fluid communication with bores of the hollow fibers; b) a housing surrounding the cartridge, wherein the housing has: i. a first inlet port and a first outlet port, for introducing and removing a first fluid, respectively, the first inlet port and the first outlet port being in fluid communication with boreholes in the first and second tubesheet; ii. a second inlet port and a second outlet port for introducing and removing a second fluid, respectively, the second inlet port and the second outlet port being in fluid communication with a shell side of the hollow fiber membranes; and iii. optionally, a port for removing condensed vapors, in communication with the shell side of hollow fiber membranes, wherein the boreholes are formed radially in at least one of said first and second tubesheet.