TiO2 催化剂改性方法对光热催化麻疯树籽油制备 生物燃油的影响
为改善TiO2在光热催化过程中催化效率不高及回收困难等问题,分别使用固体分散法和溶胶凝胶法将TiO2与HZSM-5分子筛结合,并负载活性金属Pt制备Pt/TiO2-HZSM-5催化剂,对两种催化剂进行X射线衍射(XRD)、N2吸附-脱附、高分辨率透射电镜(HRTEM)、紫外-可见光(UV-Vis)、X射线荧光(XRF)及吡啶-红外(Py-IR)表征,并用于光热催化麻疯树籽油加氢制备生物燃油中,考察两种改性催化剂的催化效果。结果表明:两种制备方法均可使TiO2成功分散在HZSM-5分子筛表面,TiO2的比表面积增加,HZSM-5分子筛孔容和孔径改变;改性后的催化剂衍射峰出现明显红移,对可见光的吸...
Main Author: | 杨依婕1,2, 刘莹1, 张伟1, 刘娜1, 桂超1, 蔡正达3,孙鲁闽2,陈玉保1 YANG Yijie1,2, LIU Ying1, ZHANG Wei1, LIU Na1, GUI Chao1, CAI Zhengda3, SUN Lumin2, CHEN Yubao1 |
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Format: | Article |
Language: | English |
Published: |
中粮工科(西安)国际工程有限公司
2023-01-01
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Series: | Zhongguo youzhi |
Subjects: | |
Online Access: | http://tg.chinaoils.cn/ch/reader/create_pdf.aspx?file_no=20230110&year_id=2023&quarter_id=1&falg=1 |
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