改性秸秆灰负载Pt催化甘油氧化性能研究Glycerol oxidation catalyzed by modified straw ash supported Pt
为实现生物质高值利用,采用碱改性、酸改性、酸碱联合改性和引入CeO2的方法对秸秆灰进行前处理,制备Pt基催化剂(分别命名为Pt/ash-b、Pt/ash-a、Pt/ash-ba和Pt/ash-CeO2),通过X射线荧光光谱(XRF)、X射线衍射(XRD)、电感耦合等离子原子发射光谱(ICP-OES)、透射电子显微镜(TEM)、CO2程序升温脱附(CO2-TPD)和NH3程序升温脱附(NH3-TPD)、氢气程序升温还原(H2-TPR)测定催化剂的组成、结构、Pt负载量、Pt颗粒粒径、表面酸碱性、Pt还原活性,并考察催化剂催化甘油氧化的性能。结果表明:与未改性催化剂(Pt/ash)相比,酸、碱改性...
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| Main Author: | 王聪莹1, 于静2, 崔佳欣1 WANG Congying1,YU Jing2,CUI Jiaxin1 |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
中粮工科(西安)国际工程有限公司
2025-08-01
|
| Series: | Zhongguo youzhi |
| Subjects: | |
| Online Access: | http://tg.chinaoils.cn/zgyz/ch/reader/create_pdf.aspx?file_no=20250813&flag=1 |
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