Production of aluminum trichloride and magnesium oxide
OwnerSven Fougnerinventor
Life of this patent
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Abstract
Alumina is reacted with magnesium chloride in accordance with the chemical reaction Al.sub.2 O.sub.3 + 3MgCl.sub.2 .fwdarw.3MgO + 2AlCl.sub.3 In the presence of a mixed mass of inert solid contact material, such as a fluidized mass of magnesium oxide particles. The aluminum trichloride is recovered and is advantageously employed in the treatment of hydrocarbonaceous material, such as retorted shale oil, to improve the physical and/or chemical properties thereof. The substantially carbon and/or hydrocarbon free retorted aluminiferous oil shale is useful as the source of the alumina in the above chemical reaction.
Claims14
A method of producing aluminum trichloride and magnesium oxide which comprises reacting alumina or alumina-containing material material which reacts with magnesium chloride in accordance with the chemical equation
- Al.sub.2 O.sub.3 + 3MgCl.sub.2 .fwdarw. 3MgO + 2AlCl.sub.3 wherein the reaction is carried out at a temperature in the range from above about the melting point of magnesium chloride to about 2000.degree.C. in the presence of a continually mixed mass of inert solid particulate material and wherein the resulting produced AlCl.sub.3 is recovered as a vapor from the resulting produced solid MgO.
A method of producing aluminum trichloride and magnesium oxide which comprises forming a fluidized reaction admixture comprising molten anhydrous magnesium chloride and solid alumina-containing particles, flowing inert gas through said fluidized reaction admixture so as to maintain the reaction admixture fluidized, introducing into the reaction admixture molten magnesium chloride and particulate alumina-containing material for reaction in accordance with the chemical equation,
- Al.sub.2 O.sub.3 + 3MgCl.sub.2 .fwdarw. 3MgO + 2AlCl.sub.3
- withdrawing the resulting produced aluminum trichloride together with said gas introduced to fluidized the reaction admixture and withdrawing from the reaction admixture solid particulate material comprising magnesium oxide.
A method of producing aluminum trichloride and magnesium oxide which comprises forming a fluidized reaction admixture comprising anhydrous magnesium chloride, solid alumina-containing particles and solid particulate inert contact material, flowing inert gas through said fluidized reaction admixture so as to maintain the reaction admixture fluidized, introducing into the reaction admixture magnesium chloride and particulate alumina-containing material for reaction at a temperature above the melting point of anhydrous magnesium chloride in accordance with the chemical equation,
- Al.sub.2 O.sub.3 + 3MgCl.sub.2 .fwdarw. 3MgO + 2AlCl.sub.3 withdrawing the resulting produced aluminum trichloride together with said gas introduced to fluidize the reaction admixture and withdrawing from the reaction admixture solid particulate material comprising magnesium oxide.
A method of producing aluminum trichloride and magnesium oxide which comprises applying molten magnesium chloride to particle form alumiferous material, said alumina or alumina-containing material material reacting with said magnesium chloride in accordance with the chemical equation
- Al.sub.2 O.sub.3 + 3MgCl.sub.2 .fwdarw. 3MgO + 2AlCl.sub.3 said reaction being carried out at a temperature in the range from above about the melting point of magnesium chloride to about 2000.degree.C., the resulting reaction admixture made up of said alumina or alumina-containing material material and said magnesium chloride being continually mixed during said reaction and recovering the resulting produced aluminum trichloride in vapor form from the resulting produced solid MgO.
Dependencies are inferred from the claim text.