| abstract |
A sparger includes a body bounding a compartment. A tubular port or tube is coupled with the body. The tubular port or tube bounds a passage that communicates with the compartment of the body. At least a portion of the body includes of a first sparging sheet. The first sparing sheet includes a flexible sheet of a gas permeable material such that a gas passing into the compartment of the body through the passage can exit the compartment by permeating through the first sparging sheet. |