Cerium Nitrate, ndiyo yakakwana zvinhu zvekugadzira Cerium-doped catalyst, uye zvakare inoshandiswa mukugadzira auto gauze yekuvharisa.Cerium inowedzerwa kune inonyanya kukonzera kugadzirwa kwe styrene kubva kumethylbenzene kuvandudza styrene kugadzirwa.Inoshandiswa muFCC catalysts ine zeolites kuti ipe zvese zvinokonzeresa reactivity mune reactor uye kugadzikana kwekupisa mune regenerator.Mukugadzira simbi, inoshandiswa kubvisa yemahara Oxygen neSulfur nekugadzira yakagadzikana oxysulfides uye nekusunga zvisingadiwe trace elements, senge lead neantimony.
Giredhi | 99.99% | 99.9% | 99% |
CHEMICAL COMPOSITION | |||
CeO2/TREO (% min.) | 99.99 | 99.9 | 99 |
TREO (% min.) | 39 | 39 | 39 |
Rare Earth Impurities | 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 |
Zvisina-Rare Earth Impurities | 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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