【摘 要】
：
采用红外光谱和紫外光谱表征微波固相合成磷钨酸镧催化剂,以催化合成乙酸乙酯为探针,考察研磨时间、微波反应时间、微波功率对合成的磷钨酸镧催化活性的影响。研究结果表明,
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采用红外光谱和紫外光谱表征微波固相合成磷钨酸镧催化剂,以催化合成乙酸乙酯为探针,考察研磨时间、微波反应时间、微波功率对合成的磷钨酸镧催化活性的影响。研究结果表明,当研磨时间为6min,微波反应时间为12min,微波功率为539W时,所合成的磷钨酸镧具有Keggin结构,对合成乙酸乙酯具有良好的催化活性。与常规催化剂相比,催化效果明显。
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