Process for preparing anhydrous magnesium halide solution and pr

Details Process for preparing anhydrous magnesium halide solution and pr Process for preparing anhydrous magnesium halide solution and pr

1997-03-28

1999-02-02

Bell, Mark L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423184, 423493, 423498, 502103, 502104, 502107, 502111, 502123, 502125, 502126, 502127, C01F 100, C01F 500, C01F 1100, C22B 2620

Patent

active

058660887

ABSTRACT:
Disclosed is a process for preparing an anhydrous magnesium halide solution, comprising a step of distilling water off from an oxygen-containing organic solvent solution of hydrous magnesium halide containing at least calcium as an impurity, to prepare an oxygen-containing organic solvent solution of anhydrous magnesium halide, wherein a potassium compound is added in said step to precipitate calcium and potassium, followed by removing the calcium and potassium. According to this process, an anhydrous magnesium halide solution scarcely containing calcium can be prepared from hydrous magnesium halide containing calcium as an impurity. Also disclosed is a process for preparing a solid titanium catalyst component for olefin polymerization, comprising contacting the anhydrous magnesium halide solution obtained by the above process with a liquid titanium compound to precipitate a solid titanium catalyst component. According to this process, a solid titanium catalyst component for olefin polymerization, which has high catalytic activity, can be prepared by the use of the anhydrous magnesium halide solution.

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