Catalyst for purifying exhaust gas and the process for manufacturing thereof

Patent · Tue Jun 23 04:00:00 EDT 1981

OSTI ID:6067124

Akasaka, N; Kinoshita, H; Suzuki, Y

A catalyst for purifying exhaust gas composed of a catalyst carrier coated with a metal oxide material containing a spinel metal oxide of the formula: Mal/sub 2/O/sub 4/ wherein M is Sr, Mg, Cu, Mn, Mo, Zn, Fe, Co or Ni the metal oxide coated carrier further being coated with rhodium and platinum and/or palladium as catalytically active components. The catalytically active components also can include cerium.

• Assignee: Toyota Jidosha Kogyo K K (Japan)
• Patent Number(s): US 4274981
• OSTI ID: 6067124
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION CONTROL
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CALCINATION
CARBIDES
CARBON COMPOUNDS
CATALYST SUPPORTS
CATALYSTS
CATALYTIC EFFECTS
CERIUM
CHALCOGENIDES
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CONTROL
DECOMPOSITION
ELEMENTS
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
HYDROGEN COMPOUNDS
INORGANIC ACIDS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MATERIALS
METALS
MINERALS
MULLITE
NITRIDES
NITROGEN COMPOUNDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PALLADIUM
PLATINUM
PLATINUM METALS
PNICTIDES
POLLUTION CONTROL
PURIFICATION
PYROLYSIS
RARE EARTHS
REDUCTION
REFRACTORY METALS
RHODIUM
SILICATES
SILICON CARBIDES
SILICON COMPOUNDS
SILICON NITRIDES
SPINELS
SYNTHESIS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
WASTES
ZIRCONIUM COMPOUNDS