A composite of Keggin-type phosphotungstic acid(H_(3)PW_(12)O_(40))encapsulated in sized-matched metal–organic framework UiO-67(PW_(12)@UiO-67)was prepared as a heterogeneous catalyst for extractive and catalytic oxi...A composite of Keggin-type phosphotungstic acid(H_(3)PW_(12)O_(40))encapsulated in sized-matched metal–organic framework UiO-67(PW_(12)@UiO-67)was prepared as a heterogeneous catalyst for extractive and catalytic oxidative desulfurization systems(ECODS).The appropriate cage size and narrow windows of UiO-67 serve to avoid the leaching of phosphotungstic acid,and also allow most sulfur compounds commonly found in fuels to approach the catalyst.展开更多
基金financially supported by the National Basic Research Program of China(No.2013CB834803)the National Natural Science Foundation of China(No.21731002 and 91222202).
文摘A composite of Keggin-type phosphotungstic acid(H_(3)PW_(12)O_(40))encapsulated in sized-matched metal–organic framework UiO-67(PW_(12)@UiO-67)was prepared as a heterogeneous catalyst for extractive and catalytic oxidative desulfurization systems(ECODS).The appropriate cage size and narrow windows of UiO-67 serve to avoid the leaching of phosphotungstic acid,and also allow most sulfur compounds commonly found in fuels to approach the catalyst.