METHOD producing an adsorbent-molecular sieve to selectively adsorb nitrogen and argon

摘要

1. u043eu0434u043du043eu0441u0442u0430u0434u0438u0439u043du044bu0439 way u043fu043eu043bu0443u0447u0435u043du0438u00a0 crystal u0430u0434u0441u043eu0440u0431u0435u043du0442u0430 is u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0433u043e sita, u043fu0440u0438u043cu0435u043du00a0u0435u043cu043eu0433u043e u0434u043bu00a0 selective adsorption of nitrogen and argon from a gas mixture, u0441u043eu0434u0435u0440u0436 u0430u0449u0435u0439 oxygen exchange of ions of silver, the method comprises the stages of:;(a) u0441u043cu0435u0448u0438u0432u0430u043du0438u00a0 u0446u0435u043eu043bu0438u0442u0430 with water solution of salt of silver;;(b) u043au0438u043fu00a0u0447u0435u043du0438u00a0 solution with a refrigerator in the 30 - 90u0441 within 4 to 8 h in the dark u0434u043bu00a0 u043fu043eu043bu0443u0447u0435u043du0438u00a0 residue;;(c) u0444u0438u043bu044cu0442u0440u043eu0432u0430u043du0438u00a0 and washing the precipitate with water until the residue will not be free from silver ions; and;(d) drying at temperature below ranging between air and then under decreased pressure u0434u043bu00a0 u043fu043eu043bu0443u0447u0435u043du0438u00a0 crystal u0430u0434u0441u043eu0440u0431u0435u043du0442u0430 is u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0433u043e sita next u0445u0438u043cu0438u0447u0435u0441u043au043eu0433 on the whole (Ag2O) xM2 / nO) y (Al2O3) 6 (SiO2) 12wH2O.;2. method for sharing 1 where silver ions can be carried out in a u0441u043eu0441u0442u043eu00a0u043du0438u0438, u0441u043eu0441u0442u043eu00a0u0449u0438u0439 of following stages:;(a) u0441u043cu0435u0448u0438u0432u0430u043du0438u00a0 u0446u0435u043eu043bu0438u0442u0430 and with equal amount of water solution of salt of silver;;(b) u043du0430u0433u0440u0435u0432u0430u043du0438u00a0 the mixture within a temperature range from 500 to 575u0441 in an inert atmosphere.;(c) drying the mixture at ambient temperature under decreased pressure u0434u043bu00a0 u043fu043eu043bu0443u0447u0435u043du0438u00a0 crystal u0430u0434u0441u043eu0440u0431u0435u043du0442u0430 is u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0433u043e sita.;3. method for 1, where m u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a u043au0430u0442u0438u043eu043d, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of u043du0430u0442u0440u0438u00a0, u043au0430u043bu044cu0446u0438u00a0, u043au0430u043bu0438u00a0 and u043bu0438u0442u0438u00a0, preferably, sodium.;4. method for u0446u0435u043eu043bu0438u0442 u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 1 where a granule, powder or pill.;5. way to 1, where the aqueous solution of the salt of silver in silver perchlorate solutions (AgClO4), silver acetate and silver nitrate (AgNO3).;6. method for 1, where u043au043eu043du0446u0435u043du0442u0440u0430u0446u0438u00a0 solution of silver salt u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 from 0.25 to 15% by mass of / about. u0446u0435u043eu043bu0438u0442u0430 as well.;7. way to 1, where the ratio of the aqueous solution of salt of silver to u0446u0435u043eu043bu0438u0442u0443 and u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 1: 80.;8. way to 1, where the u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0435 sieve has high adsorption capacity u0434u043bu00a0 nitrogen to 22.3 cm3 / g, with 30u0441 and 765 mm pt. art.;9. way to 1, where the u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0435 sieve has the selectivity of nitrogen as compared with oxygen, u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0435u0439 5 14.6 in 30u0441.;10. way to 1, where the u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0435 sieve has adsorption capacity u0434u043bu00a0 argon to 6.5 cm3 / g, with 30u0441 and 765 mm pt. art.;11. way to 1, where the u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0435 sieve possesses selectivity for argon in the range of from 1.2 to 2.0 in the 30u0441.;12. way to 1, where the u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0435 sieve has high ability to purify the oxygen to the degree of purity of more than 96%.;13. method for 1, 10 and 100 equivalent per cent silver ions u0432u0432u043eu0434u00a0u0442 in u0446u0435u043eu043bu0438u0442 in one stage, u0438u0441u043fu043eu043bu044cu0437u0443u00a0 any u0440u0430u0441u0442u0432u043eu0440u0438u043cu0443u044e in water salt selected from silver, nitra the silver, silver acetate and silver perchlorate.;14. method for u0446u0435u043eu043bu0438u0442 u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 1 where a u0446u0435u043eu043bu0438u0442 exchanging ions to the ions of silver at 80 to 100% and where the equivalent u0430u0434u0441u043eu0440u0431u0435u043du0442 - u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0435 sieve is painted in ora u043du0436u0435u0432u043e - red / u043au0438u0440u043fu0438u0447u043du043e - red color.;15. way to 1, where the u0430u0434u0441u043eu0440u0431u0435u043du0442 - u043cu043eu043bu0435u043au0443u043bu00a0u0440u043du043eu0435 sieve dried at temperatures in the range of from 20 to 80u0441.