This paper describes the new finding of the oxide-supported ruthenium catalysts for ammonia synthesis such as support preparation,catalyst reduction and the role of promoters.

The developments of both fused iron catalysts and ruthenium catalysts and the different opinions on catalytic mechanism for ammonia synthesis are discussed.

Influential factors for selective hydrogenation of benzene to cyclohexene over ruthenium catalysts;

Several important directions of ruthenium catalyst research were pointed out.

The method has reference value for the design of ruthenium catalyst ammonia converter.

The analysis of key point in the production of hydrogen peroxide with Pd catalyst;

The latest progress of support modification, new supports(including macromolecular support and alumina support with nano-fiber shape), cocatalysts and new preparation technology of the catalysts in the research on the novel Pd catalysts for anthraquinone hydrogenation in recent years is reviewed.

Through the experiment and comparison of regenerating methods using steam,aromatic hydrocarbon and oxidizing solution for Pd catalyst used in the hydrogen peroxide production by anthraquinone process,recommends Pd catalyst regenerating method using oxidizing solution could being applied in the industrial hydrogen peroxide production.

Summary on palladium catalyst in hydrogen peroxide production by anthraquinone process;

Recent advances in palladium catalysts for aryl chlorides coupling reaction;

Rational operation of palladium catalyst in hydrogen peroxide manufacture;