Citation: Zhi Lin CHENG, Zi Sheng CHAO, Hui Lin WAN. Synthesis of Compact NaA Zeolite Membrane by Microwave Heating Method[J]. Chinese Chemical Letters, ;2003, 14(8): 874-876. shu

Synthesis of Compact NaA Zeolite Membrane by Microwave Heating Method

State Key Laboratory for Physical Chemistry of Solid Surface, Department of Chemistry, Xiamen University, Xiamen 361005

Received Date: 5 September 2002

Fund Project: We are grateful to the Ministry of Science and Technology of China for the Financial support (Grant No.G1999022408).

A continuous and dense NaA zeolite membrane was synthesized by microwave heating method while employing a multi-step seeding LTA zeolite with the average size of 120 nm. The gas H₂/N₂ mixture separating results indicated that the mixture selectivity increased with increasing of synthesis times. In addition, selectivity of the three-step synthesis was higher than the value(3.74) expected from Kundsen diffusion.
- Microwave heating,
- NaA zeolite membrane,
- gas separation
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