【摘要】 采用膨润土为负载制备插层固载磷钨酸 ,用XRD和指示剂法表征了插层物的结构和酸强度 ,研究酯化过程的催化作用 ,得到具有高活性、高稳定性的插层固载磷钨酸催化剂 ,为负载杂多酸在工业上的应用提供了良好的实验结果更多还原

【Abstract】 In this paper, layer piller supported phosphotungstic acid(PTA) was prepared in bentonite The constitution and H 0 of layer piller supported phosphotungstic acid are characterized by XRD and indicator test.Catalysis in esterification, and shows a good activity and stability.Test result is useful for industrial application更多还原