Improved process for the hydrothermal synthesis of boehmite, a-alumina or their mixtures in doped form

Council of Scientific and Industrial Research - National Aerospace Laboratories (2008) Improved process for the hydrothermal synthesis of boehmite, a-alumina or their mixtures in doped form. 217563.

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Abstract

This invention relates to an improved process for the hydrothermal synthesis of boehmite, a-alumina or their mixtures in doped form. In the present process fine crystalline powders of doped boehmite, a-alumina or their mixtures from commercial aluminium metal stock in a single step are obtained by hydrothermal synthesis. The boehmite, a alumina oe their mixture in doped forms are obtained by taking dopants like chromium(for ruby or pink alumina) , manganese (brown alumina), magnesium (for spinel) in the form of water soluble salt or aluminium alloys containing the dopant (Al-Mg alloys) along with initial reactants and conducting hydrothermal reaction.

Item Type: Patent
Uncontrolled Keywords: Hydrothermal synthesis of boehmite;a-alumina;Crystalline powders;Aluminium metal stock
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Division/Department: Materials Science Division, Materials Science Division, Materials Science Division
Depositing User: Ms. Alphones Mary
Date Deposited: 15 Nov 2012 14:16
Last Modified: 15 Nov 2012 14:16
URI: http://nal-ir.nal.res.in/id/eprint/11356

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