Patent ID: 7850764

Claim:
An apparatus for removing a gas phase contaminant from a gas stream, comprising: a support member; and a pair of membranes, each configured to absorb a gas phase contaminant, each attached to said support member and held by said support member in a substantially flat position, and defining a space between said membranes; wherein said support member is configured to enclose said space and to hold a liquid in said space such that the liquid contacts a surface of each of said membranes; wherein said support member comprises a support structure and a pair of end caps; wherein said membranes are rectangular, are held by said support structure in a substantially parallel position to each other thereby defining said space as parallelepiped having a top, a bottom, and four sides, with said membranes defining said top and said bottom of said space, respectively; wherein each of said end caps is attached to one edge of one membrane and to one edge of said other membrane, thereby each of said end caps enclosing a first side and a second side of said space, respectively, and wherein said end caps are disposed opposite to each other; and wherein said support structure encloses a third side and a fourth side of said space.