Zeolite adsorbent material, method of preparation and use for non-cryogenic separation of industrial gases
US11007505B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2017 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Dec 1, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2257/502
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided is a zeolitic adsorbent material. The material is based on LSX zeolite crystals the particle size distribution of which is characterized by a peak width (2σ) in a range from 6.0 to 20.0, limits included, for a number average diameter (d50) in a range from 0.5 μm to 20.0 μm. The material has an Si/Al atomic ratio comprised in a range from 1.00 to 1.15, limits included. The lithium content of the material, expressed by weight of Li2O, is in a range from 9% to 12% by weight relative to the total weight of the material. The material has a non-zeolitic phase (NZP) content such that 0<NZP≤8% by weight relative to the total weight of the material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.