3179. -----.
[Regenerating Catalysts.] German Pattent Appl. R 103,712, filed Nov. 7, 1938 (Cl.
IV d-12 o). PB Report 412. May 15, 1945.
Used synthesis catalyst is subjected to
oxidation under unspecified conditions except elevated temperature before
regeneration with H2 whereby the regeneration is said to proceed more
rapidly and effectively.