Lead-zirconate catalysts

Details Lead-zirconate catalysts Lead-zirconate catalysts

1990-07-23

1992-01-21

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

Clay

423593, 502178, 502239, 502242, 502304, 502340, 502343, 502349, 502350, 502351, B01J 2116, B01J 2112, B01J 2106, C10G 2502

Patent

active

050828169

ABSTRACT:
Catalysts comprising lead doped zirconium compounds are particularly effective in an oxidative process for upgrading low molecular weight alkanes to higher molecular weight hydrocarbons, and especially for upgrading methane to form ethane and ethylene. The catalysts can be employed in a process performed at elevated temperatures and in the presence or absence of gaseous oxygen. The catalysts are substantially free of PbO and uncombined Pb and remain stable for long periods of time.

REFERENCES:
patent: 3141902 (1964-07-01), Huntley et al.
patent: 3184415 (1965-05-01), Huntley et al.
patent: 4497971 (1985-02-01), Eastman et al.
patent: 4636248 (1987-01-01), Ogata et al.
patent: 4636378 (1987-01-01), Pastor et al.
patent: 4696810 (1987-09-01), Shirasaki et al.
patent: 4795848 (1989-01-01), Teller et al.

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