Synthesis of a zeolite membrane as a protective layer on a metallic Pd composite membrane for hydrogen purification
文献类型：期刊论文
| 作者 | Yu, Jiafeng; Qi, Chenchen; Zhang, Jixin; Bao, Chun; Xu, Hengyong |
| 刊名 | journal of materials chemistry a
 |
| 出版日期 | 2015 |
| 卷号 | 3期号:9页码:5000-5006 |
| 英文摘要 | palladium composite membranes are used widely in the hydrogen purification process owing to their excellent hydrogen permeability and selectivity. however, they can lose hydrogen permeability irreversibly when exposed to a small amount of impurity gases, which severely limits their applications. here, a seed-free hydrothermal method was developed to synthesize a zeolite membrane on the surface of an ultra-thin metallic pd composite membrane to offer protection from impurity gases. the impurity gases with a kinetic diameter larger than the zeolite pore size were prevented from coming in direct contact with the pd composite membrane. the presence of a protective zeolite membrane distinctly suppressed the hydrogen permeance decline in a 5% propylene/hydrogen mixture, which greatly enhanced the stability of the pd membrane. sem and xrd showed that the acid pretreatment before the secondary hydrothermal growth process and the rotary state were beneficial for synthesizing thin and uniform zeolite membranes. with increasing synthesis time, the protective effects of the zeolite membrane were enhanced significant due to the reduction of defects. |
| WOS标题词 | science & technology ; physical sciences ; technology |
| 类目[WOS] | chemistry, physical ; energy & fuels ; materials science, multidisciplinary |
| 研究领域[WOS] | chemistry ; energy & fuels ; materials science |
| 关键词[WOS] | molecular-sieve films ; lta membranes ; permeation characteristics ; sodalite membranes ; co inhibition ; separation ; palladium ; performance ; mechanism ; growth |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000349997000031 |
| 公开日期 | 2016-05-09 |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/145969]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yu, Jiafeng,Qi, Chenchen,Zhang, Jixin,et al. Synthesis of a zeolite membrane as a protective layer on a metallic Pd composite membrane for hydrogen purification[J]. journal of materials chemistry a,2015,3(9):5000-5006. |
| APA | Yu, Jiafeng,Qi, Chenchen,Zhang, Jixin,Bao, Chun,&Xu, Hengyong.(2015).Synthesis of a zeolite membrane as a protective layer on a metallic Pd composite membrane for hydrogen purification.journal of materials chemistry a,3(9),5000-5006. |
| MLA | Yu, Jiafeng,et al."Synthesis of a zeolite membrane as a protective layer on a metallic Pd composite membrane for hydrogen purification".journal of materials chemistry a 3.9(2015):5000-5006. |
入库方式： OAI收割
来源：大连化学物理研究所
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