| 摘要 |
A gas separation unit for the separation of carbon dioxide from air is proposed for use in a cyclic adsorption/desorption process and using a loose particulate sorbent material. Sorbent material is arranged in at least two stacked layers, and each layer comprises two sheets of a flexible fabric material which is gas permeable but impermeable to the loose sorbent material. The sheets are arranged parallel defining an inlet face and an outlet face, are arranged with a distance in the range of 0.5-2.5 cm, and are enclosing a cavity in which the sorbent material is located. Said layers are arranged in the unit such that the inflow passes through the inlet face, subsequently through the particular sorbent material located in the cavity of the respective layer, subsequently to exit the layer through the outlet face to form the gas outflow. |
| 主权项 |
1. A gas separation unit for the separation of a first gas from a mixture containing said first gas as well as further gases different from the first gas by using a cyclic adsorption/desorption process using a loose particulate sorbent material for gas adsorption wherein
said particulate sorbent material is arranged in at least two stacked layers wherein each layer comprises two sheets of a flexible fabric material which is gas permeable but impermeable to the loose particulate sorbent material, which sheets are
either mounted on a stiff frame structure or which form the layer in a self-supporting way using spacers or distance elements between them,are arranged essentially parallel defining an inlet face of the layer and an outlet face of the layer,are arranged with a distance in the range of 0.5-2.5 cm,and are enclosing a cavity in which the particulate sorbent material is located, wherein the unit has a gas inlet side or gas inlet manifold through which an inflow of gas mixture enters the unit and a gas outlet side or gas outlet manifold through which a gas outflow exits the unit, the gas pathway between the inflow and the outflow being confined in the unit to pass through at least one layer; wherein said layers are arranged in the unit such that the inflow passes through the inlet face, subsequently through the particular sorbent material located in the cavity of the respective layer, subsequently to exit the respective layer through the outlet face to form the gas outflow; wherein the layers are arranged such that inlet faces of adjacent layers are facing each other enclosing gas inlet channels and such that outlet faces are facing each other enclosing gas outlet channels; wherein the mean distance between inlet faces and/or outlet faces, defining said channels (3, 4), measured in a direction essentially perpendicular to a main gas inflow direction and a main gas outflow direction, respectively, is in the range of 0.5-5 cm; wherein the length of the inlet face and/or of the outlet face in a direction parallel to the main gas inflow direction and the main gas outflow direction, respectively, is at least ten times larger than distance (d) between the sheets in the layer. |
