I-Cerium Nitrate, yeyona nto ifanelekileyo yokwenza i-cerium-doped catalyst, kwaye ikwasetyenziswa ekwenzeni isigqubuthelo se-auto gauze.I-Cerium yongezwa kwi-catalyst evelele yokuveliswa kwe-styrene ukusuka kwi-methylbenzene ukuphucula ukubunjwa kwe-styrene.Isetyenziswa kwi-FCC catalysts equkethe i-zeolites ukubonelela zombini i-catalytic reactivity kwi-reactor kunye nokuzinza kwe-thermal kwi-regenerator.Kwimveliso yentsimbi, isetyenziselwa ukususa i-Oxygen kunye neSulfur yamahhala ngokwenza i-oxysulfides ezinzileyo kunye nokubopha izinto ezingafunekiyo zokulandelela, ezifana nelothe kunye ne-antimony.
IBanga | 99.99% | 99.9% | 99% |
UHLELO LWEKHEMICAL | |||
I-CeO2/TREO (% min.) | 99.99 | 99.9 | 99 |
I-TREO (% min.) | 39 | 39 | 39 |
Ubumdaka boMhlaba obunqabileyo | ppm max. | % max. | % max. |
La2O3/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Y2O3/TREO | 50 50 20 15 15 | 0.5 0.5 0.05 0.01 0.01 | 0.5 0.5 0.5 0.05 0.05 |
Non-Rare Earth Ukungcola | ppm max. | % max. | % max. |
Fe2O3 SiO2 CaO Cl- SO4- SnO PbO NiO CdO CuO CoO SrO K2O | 20 100 100 50 50 3 3 3 3 3 3 3 1 | 0.02 0.03 0.05 0.01 | 0.05 0.05 0.1 0.03 |
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