STUDY ON THE SYNTHESIZING OF NEW KINDS OF ALUMINOPHOSPHATE (CONTAINING CO2-SIEVES IN DIETHYLENETRIAMINE SYSTEM() MOLECULAR)

The possibilities of synthesizing newkinds of molecular sieves hydroth ermally in diethylenetriamine system with phosphoric acid, Aluminum hy droxide, ethyl silicate and cobalt acetate were studied. In the experi mental processes no crystal was found when only aluminum hydroxide and phosphoric acid existed in the system, a condensed crystal phase was formed after adding ethyl silicate to the system, two novel classes of molecular sieves (named CoAPO-101 and CoAPSO-101) were abtained after cobalt acetate being added to the system. The results of X-ray Powder differaction show that the structures of these classes of molecular s ieves are different from other's, the adsorption properties illustrate that they are all belong to small pore molecular sieves.