초록 ▼

A process of preparing a crystalline porous solid selected from silicas and metallosilicates, such as, aluminosilicate zeolites or clathrasils. The process involves preparing a reaction mixture containing ammonia; water in a controlled concentration; a (hydrocarbyl)ammonium polysilicate hydrate salt

A process of preparing a crystalline porous solid selected from silicas and metallosilicates, such as, aluminosilicate zeolites or clathrasils. The process involves preparing a reaction mixture containing ammonia; water in a controlled concentration; a (hydrocarbyl)ammonium polysilicate hydrate salt; a mineralizer, such as ammonium fluoride; optionally, a source of a metal oxide, such as aluminum nitride; and optionally, a source of a charge-balancing cation or a structure directing agent; and maintaining the mixture at a temperature and for a time so as to produce the crystalline porous solid. A novel silica which is isostructural with zeolite P1 is prepared. Also prepared are a novel silica which is isostructural with zeolite beta and a novel TMA sodalite having a silica/alumina molar ratio between 12 and about 20.

대표청구항 ▼

A process of preparing a crystalline porous solid selected from the group consisting of silicas and metallosilicates, the process comprising preparing a mixture containing: (a) ammonia, (b) water in an amount such that the molar ratio of ammonia to water is greater than about 4 and less than about 2

A process of preparing a crystalline porous solid selected from the group consisting of silicas and metallosilicates, the process comprising preparing a mixture containing: (a) ammonia, (b) water in an amount such that the molar ratio of ammonia to water is greater than about 4 and less than about 26, (c) one or more nutrients comprising a (hydrocarbyl)ammonium polysilicate hydrate salt, and optionally, a source of a metal oxide which is reactive in the reaction mixture, and optionally, a source of an additional cation which is reactive in the reaction mixture, the relative amounts of the nutrients being sufficient to form the crystalline porous solid, and (d) a mineralizer in an amount sufficient to mineralize the nutrient(s); and maintaining the resulting mixture at a temperature and for a time sufficient to produce the crystalline porous silica or metallosilicate.