A Numerical Model of Exchange Chromatography Through 3D Lattice Structures
Rapid progress in the development of additive manufacturing technologies is opening new opportunities to fabricate structures that control mass transport in three dimensions across a broad range of length scales. We describe a structure that can be fabricated by newly available commercial 3D printers. It contains an array of regular three-dimensional flow paths that are in intimate contact with a solid phase, and thoroughly shuffle material among the paths. We implement a chemically reacting flow model to study its behavior as an exchange chromatography column, and compare it to an array of one-dimensional flow paths that resemble more traditional honeycomb monoliths. A reaction front moves through the columns and then elutes. Here, the front is sharper at all flow rates for the structure with three-dimensional flow paths, and this structure is more robust to channel width defects than the one-dimensional array.
[1]- Publication Date:
- Report Number(s):
- SAND-2018-1363J
Journal ID: ISSN 0001-1541; 660572
- Grant/Contract Number:
- AC04-94AL85000; NA-0003525
- Type:
- Accepted Manuscript
- Journal Name:
- AIChE Journal
- Additional Journal Information:
- Journal Volume: 64; Journal Issue: 5; Journal ID: ISSN 0001-1541
- Publisher:
- American Institute of Chemical Engineers
- Research Org:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org:
- USDOE National Nuclear Security Administration (NNSA)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
- OSTI Identifier:
- 1421768
- Alternate Identifier(s):
- OSTI ID: 1422267