| 1D | one dimensional |
| 2D | two dimensional |
| ACM | Aspen Custom Modeler |
| CAPE | Computer-Aided Process Engineering |
| CCS | Carbon Capture and Storage |
| DOE | Department of Energy |
| ENSIC | ENgaged Species Induced Clustering |
| FV | fiber variability |
| gPROMS | general Process Modeling System |
| GPU | Gas Permeating Unit |
| ID | internal diameter |
| JT | Joule–Thomson |
| MEA | Monoethanolamine |
| NELF | Non-Equilibrium Lattice Fluid Model |
| NTNU | Norwegian University of Science and Technology |
| OD | outside diameter |
| PVT | pressure–volume–temperature |
| VBA | Visual Basic for Applications |
| VOC | volatile organic compound |