Pure silica zeolite MFI(silicalite-1)has been widely used in gas separation and volatile organic compounds(VOCs)adsorption.The molar ratio of tetrapropylammonium(TPA^(+))and SiO_(2)(TPA^(+)/SiO_(2))included in the fra...Pure silica zeolite MFI(silicalite-1)has been widely used in gas separation and volatile organic compounds(VOCs)adsorption.The molar ratio of tetrapropylammonium(TPA^(+))and SiO_(2)(TPA^(+)/SiO_(2))included in the framework of silicalite-1 is 0.042.Reducing the utilization of TPA^(+)will not only benefit the environment but also reduce the cost of silicalite-1.Herein,we reported the synthesis of highly crystalline silicalite-1 from a reaction mixture with a TPA^(+)/SiO_(2)molar ratio of 0.035 and a seed loading of 5 wt%or 0.01 and a seed loading of 10 wt%.展开更多
基金support from the National Natural Science Foundation of China(U1967215,21835002,21621001,and 21875221)the 111 Project of China(B17020).
文摘Pure silica zeolite MFI(silicalite-1)has been widely used in gas separation and volatile organic compounds(VOCs)adsorption.The molar ratio of tetrapropylammonium(TPA^(+))and SiO_(2)(TPA^(+)/SiO_(2))included in the framework of silicalite-1 is 0.042.Reducing the utilization of TPA^(+)will not only benefit the environment but also reduce the cost of silicalite-1.Herein,we reported the synthesis of highly crystalline silicalite-1 from a reaction mixture with a TPA^(+)/SiO_(2)molar ratio of 0.035 and a seed loading of 5 wt%or 0.01 and a seed loading of 10 wt%.