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Author:

戴群和 (戴群和.) | 孙继红 (孙继红.) (Scholars:孙继红) | 任博 (任博.) | 陈东 (陈东.) | 武霞 (武霞.)

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Abstract:

以具有两种不同介孔结构的多孔SiO2(BMMs)为载体,采用浸渍法负载磷钨酸(HPW)得到负载型磷钨酸催化剂(HPW/BMMs),通过XRD、FTIR、N2吸附-脱附,TG和SEM等表征手段,重点考察了水、乙醇以及丙酮和乙腈等溶剂对HPW/BMMs催化剂结构和性能的影响。结果表明:在不同溶剂中所制备的负载型HPW/BMMs催化剂样品均保持了BMMs介孔结构,但随着HPW负载量的增大,样品的介孔有序度逐渐降低,比表面积和孔体积逐渐减小;低负载量时,样品表面出现新的HPW物种,通过提高HPW的负载量,可抑制该物种的产生。水溶剂对HPW的Keggin结构影响较大,但HPW的晶型保持完好,分散性能较好...

Keyword:

酯化 废油脂 双模型介孔SiO2 磷钨酸

Author Community:

  • [ 1 ] 北京工业大学环境与能源工程学院

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Source :

无机材料学报

Year: 2013

Issue: 05

Volume: 28

Page: 537-544

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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