Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO<sub>2</sub> capture

Xingzhong Li; Kunlin Yu; Zibo He; Bo Liu; Rongfei Zhou; Weihong Xing

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Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO₂ capture

Full Length Article | Updated：2026-01-06

- Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO₂ capture
- Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO₂ capture
- 中国化学工程学报（英文版） 2023年56卷第4期页码：273-280
- Affiliations：
  
  State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University,Nanjing,China,210009
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2023
- Accepted：
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Xingzhong Li, Kunlin Yu, Zibo He, 等. Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO₂ capture[J]. 中国化学工程学报（英文版）, 2023,56(4):273-280.

capture[J]. 中国化学工程学报, 2023, 56(4): 273-280.
Xingzhong Li, Kunlin Yu, Zibo He, 等. Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO₂ capture[J]. 中国化学工程学报（英文版）, 2023,56(4):273-280. DOI：

capture[J]. 中国化学工程学报, 2023, 56(4): 273-280. DOI：

摘要

Abstract

High-quality standard oil synthetic zeolite-13 (SSZ-13) membranes with thickness only ~ 1.0 μm were prepared on tubular supports by the new seeded-gel approach. Seeded-gel approach is simpler than the normal secondary-growth one since adding seeds in the gel is simpler than seeding on the support surface. The synthesis time was greatly reduced from 3.0 to 1.0 d after synthesis modification of gel aging and seed sizes. Low temperature ozone calcination was used for the removal of the organic structural directing agent. The best SSZ-13 membrane displayed CO

permeances of 1.3×10

–6

and 1.5×10

–6

mol·m

-2

·s

-1

·Pa

-1

and CO

/CH

and CO

selectivities of 125 and 27 for equimolar CO

/CH

and CO

mixtures at 0.2 MPa pressure drop and 298 K

respectively. Separation performance of the membrane in the two binary mixtures is higher than that of most zeolite membranes. Three SSZ-13 membranes were reproducibly prepared on tubular supports by seeded-gel approach and the standard deviation ratios of CO

permeance and CO

/CH

selectivity are 12.5%

and 7%

respectively. It suggests that this new synthesis approach is creditable. The effects of temperature and pressure on separation performance of the thin SSZ-13 membranes were studied in the two binary mixtures. The tubular SSZ-13 membranes displayed great potentials for CO

capture from natural gas

biogas and flue gas.

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Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO2 capture

Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO2 capture

DOI：

摘要

Abstract

关键词

Keywords

references

Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO₂ capture

Improved SSZ-13 thin membranes fabricated by seeded-gel approach for efficient CO₂ capture