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摘要: |
探索了非缓冲条件下,用酒石酸对超稳Y型分子筛进一步脱铝改性的可能性。研究结果表明,本文中所用的分子筛脱铝方法在合适的处理条件下能制备出硅铝比达12左右的超稳Y型分子筛。改性后的超稳Y型分子筛随骨架硅铝比的提高,其晶体结构热稳定性增加。 |
关键词: 酒石酸,高硅铝比,超稳Y型分子筛,催化裂化催化剂 |
DOI: |
分类号:TQ424.25 |
基金项目: |
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Qian Ling Li Chunyi Ding Ronggang et al.
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Abstract: |
The possibility of modification of ultrastable Y-type(USY) zeolites with tartaric acid in unbuffered system has been explored. The effects on the treatment process by reaction time, reaction temperature, amount of tartaric acid solution added, the speed o |
Key words: tartaric acid, high SiO2/Al2O3 ratio, ultrastable Y zeolite, modification, FCC catalyst, |