METHOD FOR PRODUCING ALUMINOSILICATE NANO-SPONGES Russian patent published in 2022 - IPC C01B33/38 B82B3/00 

FIELD: nanotechnology.

SUBSTANCE: invention relates to a method for producing aluminosilicate nano-sponges, wherein nano-sponges are produced as a result of hydrothermal processing of the initial gel produced by fully dissolving nonahydrate 16.2 g of aluminium nitrate in 10 ml of distilled water, then adding 85 ml of ethyl alcohol and 10 ml of tetraethoxysilane, mixing until homogeneous, followed by adding 10 g of ammonium hydroxide until the consistency of a thick gel is achieved, drying the resulting substance at 100°C for 24 h, calcining at 550°C for 4 h, followed by hydrothermal processing of the dried gels at 220°C in steel autoclaves with a filling coefficient of 0.8, for the purpose whereof 1 g of the gel is poured over with 35 ml of an aqueous solution of hydrochloric acid with a pH of 2.6, wherein the duration of synthesis is 72 to 96 h; the products of crystallisation are then washed with distilled water and dried at 100°C for 12 h.

EFFECT: production of aluminosilicate nano-sponges.

1 cl, 4 dwg, 2 tbl, 9 ex