Catalyst for purifying tail gas fro mautomobile by treating nitrogen oxides thereof

• Main Authors: DAQIANG CANG, CHUNBAO XU, SHENGLI WU
• Format: Patent
• Language: English
• Published: 17.06.1998
• Edition: 6
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; CRACKING HYDROCARBON OILS; FUELS; LUBRICANTS; METALLURGY; MINERAL WAXES; PEAT; PERFORMING OPERATIONS; PETROLEUM, GAS OR COKE INDUSTRIES; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; SEPARATION; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THEIR RELEVANT APPARATUS; TRANSPORTING

Through the reserch and test of the catalyzing property of various single metallic oxides and composite oxides to the NO/CO reaction, the inventors obtain a kind of new type composite meltallic oxides catalyst Re-Ni-Co-Cu-Ox/Fe2O3 which using Fe2O3 as carrier, Re, Ni, Co and Cu as active ingredients...