Ordered ceramic membranes

Technical Report · Tue Jan 01 00:00:00 EST 1991

OSTI ID:5638450

Anderson, M A; Zeltner, W A; Hill, Jr, C G

Ceramic membranes have been formed from colloidal sols coated on porous clay supports. These supported membranes have been characterized in terms of their permeabilities and permselectivities to various aqueous test solutions. The pore structures of these membranes have been characterized by preparing unsupported membranes of the corresponding material and performing N{sub 2} adsorption-desorption studies on these membranes. To date, membranes have been prepared from a variety of oxides, including TiO{sub 2}, SiO{sub 2}, ZrO{sub 2}, and Al{sub 2}O{sub 3}, as well as Zr-, V-, and Mo-doped TiO{sub 2}. In many of these membranes pore diameters are less than 2 nm, while in others the pore diameters are between 3 and 5 nm. Procedures for fabricating porous clay supports with reproducible permeabilities for pure water are also discussed. 9 refs.

• Research Organization: Wisconsin Univ., Madison, WI (USA)
• Sponsoring Organization: USDOE; USDOE, Washington, DC (USA)
• DOE Contract Number: AS07-86ID12626
• OSTI ID: 5638450
• Report Number(s): DOE/ID/12626-T2; ON: DE91012248
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
CERAMICS
PERMEABILITY
MEMBRANES
FABRICATION
ALUMINIUM OXIDES
CLAYS
MEMBRANE PORES
MICROSTRUCTURE
POROSITY
POROUS MATERIALS
PROGRESS REPORT
SILICON OXIDES
SOILS
TITANIUM OXIDES
ZIRCONIUM OXIDES
ALUMINIUM COMPOUNDS
CHALCOGENIDES
CRYSTAL STRUCTURE
DOCUMENT TYPES
MATERIALS
OXIDES
OXYGEN COMPOUNDS
SILICON COMPOUNDS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies