| 水热处理磷改性HZSM-5催化剂的研究 |
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| 引用本文： | 施岩,王海彦,李剑.水热处理磷改性HZSM-5催化剂的研究[J].工业催化,2008,16(5):24-27. |
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| 作者姓名： | 施岩 王海彦 李剑 |
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| 作者单位： | 辽宁石油化工大学石油化工学院，辽宁 抚顺 113001 |
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| 摘 要： | 以催化裂化轻汽油馏分为原料，以水热处理磷改性HZSM-5为催化剂，在小型固定床反应装置上考察了水热处理改性方法制备催化剂的催化裂解性能。通过对HZSM-5分子筛催化剂水热处理，调变其酸性，达到多产丙烯的目的。确定催化剂改性最佳条件为：水热处理温度650 ℃，处理时间2 h，处理空速2 h-1。HZSM-5水热处理后，明显改善催化剂的水热稳定性和活性，提高丙烯选择性。
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| 关 键 词： | 催化化学 丙烯 HZSM-5分子筛催化剂 磷改性 水热处理 |
| 文章编号： | 1008-1143(2008)05-0024-04 |
| 修稿时间： | 2007年11月20 |
Study on phosphorus modified HZSM-5 zeolite by hydrothermai treatment |
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| SHI Yan,WANG Haiyan,LI Jian.Study on phosphorus modified HZSM-5 zeolite by hydrothermai treatment[J].Industrial Catalysis,2008,16(5):24-27. |
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| Authors: | SHI Yan WANG Haiyan LI Jian |
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| Affiliation: | College of Petrochemical Engineering, Liaoning Shihua University, Fushun 113001, Liaoning, China |
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| Abstract: | The catalytic cracking performance of phosphorus modified HZSM-5 zeolite catalyst by hydrothermal treatment was studied with FCC light gasoline as the feedstock in a fixed bed reactor. The results indicated that the yield of propylene increased by hydrothermal treating HZSM-5 zeolite and modifying its acidity. The optimal modified condition for the zeolite catalyst was obtained as follows: hydrothermal treatment temperature 650 ℃, treatment time 2 h and space velocity 2 h-1. The results also showed that hydrothermal stability and activity of phosphorus modified HZSM-5 zeolite were improved evidently and selectivity of propylene was enhanced after hydrothermal treatment. |
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| Keywords: | propylene HZSM-5 zeolite catalyst phosphorus modification hydrothermal treatment catalytic chemistry |
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