Preparation chemistry of inorganic membranes

Jerry Lin, Shriya K. Seshadri

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Citations (Scopus)

Abstract

Membranes are thin films allowing for selective transport of mass species, such as gases, liquids, or ions. The major advantages of inorganic membranes as compared to polymeric membranes are their better thermal, chemical, and mechanical stability and higher permselectivity. The disadvantages are higher membrane costs and an increased difficulty toward making membrane modules with high packing densities. Inorganic membranes will find applications that require high permselectivity and good chemical and thermal stability beyond what can be offered by polymeric membranes. The most important properties of inorganic membranes include permeance and selectivity. These properties of microporous and mesoporous membranes are determined by the pore size, porosity, and membrane thickness. Chemistry plays a very important role in controlling these properties. Microporous amorphous silica membranes can be prepared by the acid catalyzed solegel method using an alkoxide precursor. The intercrystalline defects and zeolitic pores of crystalline zeolite membranes can be eliminated or narrowed by chemical vapor deposition through proper control of the surface chemistry of the zeolite framework. The membranes are very thick because synthesis chemistry gave large metal-organic framework crystals. Synthesis chemistry controls the pore size and structure of ordered mesoporous materials as well as orientation of the pore of the ordered mesoporous membranes.

Original languageEnglish (US)
Title of host publicationModern Inorganic Synthetic Chemistry
PublisherElsevier
Pages507-523
Number of pages17
ISBN (Print)9780444535993
DOIs
StatePublished - 2011

Fingerprint

Membranes
Zeolites
Polymeric membranes
Chemical stability
Pore size
Thermodynamic stability
Mesoporous materials
Mechanical stability
Pore structure
Surface chemistry
Silicon Dioxide
Chemical vapor deposition
Porosity
Gases
Metals
Silica
Ions
Crystalline materials
Thin films
Defects

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Lin, J., & Seshadri, S. K. (2011). Preparation chemistry of inorganic membranes. In Modern Inorganic Synthetic Chemistry (pp. 507-523). Elsevier. https://doi.org/10.1016/B978-0-444-53599-3.10022-8

Preparation chemistry of inorganic membranes. / Lin, Jerry; Seshadri, Shriya K.

Modern Inorganic Synthetic Chemistry. Elsevier, 2011. p. 507-523.

Research output: Chapter in Book/Report/Conference proceedingChapter

Lin, J & Seshadri, SK 2011, Preparation chemistry of inorganic membranes. in Modern Inorganic Synthetic Chemistry. Elsevier, pp. 507-523. https://doi.org/10.1016/B978-0-444-53599-3.10022-8
Lin J, Seshadri SK. Preparation chemistry of inorganic membranes. In Modern Inorganic Synthetic Chemistry. Elsevier. 2011. p. 507-523 https://doi.org/10.1016/B978-0-444-53599-3.10022-8
Lin, Jerry ; Seshadri, Shriya K. / Preparation chemistry of inorganic membranes. Modern Inorganic Synthetic Chemistry. Elsevier, 2011. pp. 507-523
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