CERIUM SALTS & COMPOUNDS
- CERIUM NITRATE ( Ce(NO3)3)
- CERIUM NITRATE SYNONYMS
- Nitric acid cerium salt, Cerous nitrate, Cerium trinitrate, Cerium(3+) cationtrinitrate
- Molecular Formula: Ce(NO3)3
- Molecular Weight: 326.13
If fired at high temperature, it forms cerium oxide, which can be used as the raw material of cerium oxide based polishing powder and many glass polishing powder manufacturers use this process. Cerium is used in FCC catalysts because it substantially increases the activity and stability of the zeolite, which is the most active component in the catalysts.
This comparison at a constant catalyst-to-oil ratio (C/O) shows the typical changes through applying rare earth exchange to zeolites:
- The activity is substantially increased, which results in much higher liquefied petroleum gas (LPG) and, particularly, gasoline yield, mainly at the cost of bottoms.
- Theolefinicity of the LPG fraction is decreased.
- Owing to the lower olefinicity, gasoline olefinicity and octanes will also decrease
- Coke and delta coke are increased.
No other elements have yet been found to increase zeolite activity and stability as efficiently and cost-effectively as lanthanum and cerium.
- STANDARD SPECIFICATION
Product Code | 5871 | 5873 | 5875 | 5877 |
Grade | 99.999% | 99.99% | 99.9% | 99% |
CHEMICAL COMPOSITION | ||||
CeO2/TREO (% min.) | 99.999% | 99.99% | 99.9% | 99% |
TREO (% min.) | 45 | 45 | 45 | 43 |
Rare Earth Impurities | %max. | %max. | %max. | %max. |
La2O3/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Y2O3/TREO |
0.0005 0.0005 0.0001 0.0001 0.0001 |
0.005 0.005 0.001 0.0005 0.0005 |
0.05 0.05 0.01 0.01 0.01 |
0.5 0.5 0.05 0.05 0.05 |
Non-Rare Earth Impurities | %max. | %max. | %max. | %max. |
Fe2O3 SiO2 CaO Cl- SO4- SnO PbO NiO CdO CuO CoO SrO K2O |
0.0005 0.005 0.005 0.005 0.005 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.001 |
0.0005 0.01 0.01 0.005 0.005 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.001 |
0.0015 0.01 0.005 0.01 0 0 0 0 0 0 0 0 0 |
0.005 0.01 0.01 0.03 0 0 0 0 0 0 0 0 0 |
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