PATENTS

1699. ------. [INTERNATIONAL HYDROCARBON SYNTHESIS CO.] [Regenerating a Catalyst.] Netherlands Patent 53,451, Nov. 16, 1942. Chem. Abs., vol. 41, 1947, p. 3604.

Catalyst for converting CO with H2 are precipitated on MgCO3. This is dissolved in carbonated H2O and precipitated again by heating. The catalyst proper is dissolved in acid and precipitated with an alkaline lye on the regenerated MgCO3.