Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Magnesium Elektron LtdfiledCriticalMagnesium Elektron Ltd
Priority to MYPI20041525priorityCriticalpatent/MY131746A/en
Publication of MY131746ApublicationCriticalpatent/MY131746A/en
A PROCESS FOR PREPARING ZIRCONIUM-CERIUM BASED MIXED OXIDES WHICH COMPRISES REACTING AN ALKALI WITH AN AQUEOUS SOLUTION OF A ZIRCONIUM SALT CONTAINING 0.42-0.7 MOLE OF SULPHATE ANION (SO4²) PER MOLE OF ZIRCONIUM CATION AT A TEMPERATURE OF NOT GREATER THAN 50°C,IN THE PRESENCE OF A CERIUM SALT TO FORM A CERIUM-ZIRCONIUM MIXED HYDROXIDE,AND THEN CALCINING THE CERIUM ZIRCONIUM MIXED HYDROXIDE TO FROM A MIXED OXIDE.THE MIXED OXIDES POSSED GOOD THERMAL STABILITY AND ARE ESSENTIALLY SINGLE PHASE AND ARE SUITABLE AS PROMOTERS AND CATALYST SUPPORTS IN,PARTICULARLY,SOTOMOBILE EXHAUST SYSTEMS.(FIG 1)
MYPI200415252004-04-262004-04-26Process for preparing zirconium-cerium-based mixed oxides
MY131746A
(en)
Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalyst
Gallium oxide catalyst supported on ceria-zirconia composite support, preparation method thereof and production method for dimethyl carbonate using said catalyst