A method of inhibiting polymerization during the isolation and purification of unsaturated mononitriles

摘要

1.method u043fu043eu043bu0443u0447u0435u043du0438u00a0 u043du0435u043du0430u0441u044bu0449u0435u043du043du043eu0433u043e nitrile, which includes the interaction of at least one source u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of propane, proprietary u0438u043bu0435u043du0430, u0438u0437u043eu0431u0443u0442u0430u043du0430 and u0438u0437u043eu0431u0443u0442u0438u043bu0435u043du0430, with ammonia in the presence of a catalyst and a source of u0434u0438u043au0438u0441u043bu043eu0440u043eu0434u0430 in the reactor to obtain u0432u044bu0445u043eu0434u00a0u0449u0435u0433u043e of reactor flux containing the u043cu043eu043du043eu043du0438u0442u0440u0438u043b certainly unsaturated flow; transfer;u0432u044bu0445u043eu0434u00a0u0449u0435u0433u043e from reactor containing certainly unsaturated u043cu043eu043du043eu043du0438u0442u0440u0438u043b, in section u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0 / absorption, where the stream from the reactor, u0432u044bu0445u043eu0434u00a0u0449u0438u0439 containing certainly unsaturated u043cu043eu043du043eu043du0438u0442u0440u0438u043b, contact with at least a first water flow u0434u043bu00a0 u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0 u0432u044bu0445u043eu0434u00a0u0449u0435u0433u043e flow from the reactor, and then cold flow comes into contact with at least thethe water flow in the column u0434u043bu00a0 removals u0434u043bu00a0 u043eu0442u0434u0435u043bu0435u043du0438u00a0 and u0432u044bu0434u0435u043bu0435u043du0438u00a0 u043du0435u043du0430u0441u044bu0449u0435u043du043du043eu0433u043e u043cu043eu043du043eu043du0438u0442u0440u0438u043bu0430 in water solution, an aqueous solution containing nena u0441u044bu0449u0435u043du043du044bu0439 u043cu043eu043du043eu043du0438u0442u0440u0438u043b, in section u0432u044bu0434u0435u043bu0435u043du0438u00a0 and purification, where certainly unsaturated u043cu043eu043du043eu043du0438u0442u0440u0438u043b u0432u044bu0434u0435u043bu00a0u0435u0442u0441u00a0 and u043eu0447u0438u0449u0430u0435u0442u0441u00a0 in at leastthe first u0434u0438u0441u0442u0438u043bu043bu00a0u0446u0438u043eu043du043du043eu0439 column and the second u0434u0438u0441u0442u0438u043bu043bu00a0u0446u0438u043eu043du043du043eu0439 column; and maintenance of one or more u0434u0438u0441u0442u0438u043bu043bu00a0u0446u0438u043eu043du043du044bu0445 columns effectively u0438u043du0433u0438u0431u0438u0440u0443u044eu0449u0435u0433u043e poly u043cu0435u0440u0438u0437u0430u0446u0438u044e quantity of at least one u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 formula;where ph is u0444u0435u043du0438u043bu0435u043du043eu0432u0443u044e group and r1 and r2 are the same or different, is not u0433u0438u0434u0440u043eu043au0441u0438u043bu044cu043du044bu0445 groups containing organic se containing from about 2 to about 10 carbon atoms, provided that either r1 or r2 is not u00a0u0432u043bu00a0u044eu0442u0441u00a0 u0444u0435u043du0438u043bu044cu043du043eu0439 group.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that an effective amount of an inhibitor u043fu043eu043bu0438u043cu0435u0440u0438u0437u0430u0446u0438u044e inhibitors not less than about 5 parts per million parts u043du0435u043du0430u0441u044bu0449u0435u043du043du043eu0433u043e mono nitrile, u0441u043eu0434u0435u0440u0436u0430u0449u0435u0433u043eu0441u00a0 in water solution.;3. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 2, so that it further includes a liquid source u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 with water solution containing certainly unsaturated u043cu043eu043du043eu043du0438u0442u0440u0438u043b to u043eu0442u043eu0440u044bu0439 u043fu0435u0440u0435u0434u0430u0435u0442u0441u00a0 in the first column u0434u043bu00a0 distillation and / or the second distillation column u0434u043bu00a0.;4. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, however, that certainly unsaturated u043cu043eu043du043eu043du0438u0442u0440u0438u043b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an acrylonitrile or u043cu0435u0442u0430u043au0440u0438u043bu043eu043du0438u0442u0440u0438u043b and the connection u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a u0441u043eu043eu0442u0432u0435 u0442u0441u0442u0432u0443u044eu0449u0438u0439 u043eu043bu0435u0444u0438u043d, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of propylene and u0438u0437u043eu0431u0443u0442u0438u043bu0435u043du0430.;5. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the organic substitutes r1 and r2 u00a0u0432u043bu00a0u044eu0442u0441u00a0 group members, u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of gauge setting, u0431u0443u0442u0438u043bu0430, ethyl, phenyl, u0433u0435u043au0441u0438u043bu0430, u0433u0435u043fu0442u0438u043bu0430, u043eu043au0442u0438u043bu0430, non silt and u0434u0435u0446u0438u043bu0430, linear or complex.;6. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du044b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 of group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from n, n '- u0434u0438u0430u043bu043au0438u043b - u0444u0435u043du0438u043bu0435u043d - u0434u0438u0430u043cu0438u043du043eu0432.;7. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, however, that certainly unsaturated u043cu043eu043du043eu043du0438u0442u0440u0438u043b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an acrylonitrile and u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 source selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of propane and residence lena.;8. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.7, so that u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du044b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from n, n '- di - u0432u0442u043eu0440.u043fu0440u043eu043fu0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n' - di - u0432u0442u043eu0440.u0431 u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n '- di - u0438u0437u043eu0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 and n, n' - di - u0442u0440u0435u0442.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043d - u0434u0438u0430u043cu0438u043du0430.;9. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 point 9, so that the connection u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an n, n '- di - u0432u0442u043eu0440.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043d.;10.method u0432u044bu0434u0435u043bu0435u043du0438u00a0 valuable nitrogen organic compounds by catalytic u0430u043cu043cu043eu043au0438u0441u043bu0435u043du0438u0435u043c propane, propylene or u0438u0437u043eu0431u0443u0442u0438u043bu0435u043du0430 ammonia and u0433u0430u0437u043eu043eu0431u0440u0430 u0437u043du044bu043c source of u0434u0438u043au0438u0441u043bu043eu0440u043eu0434u0430, comprising an aqueous solution containing acrylonitrile or u043cu0435u0442u0430u043au0440u0438u043bu043eu043du0438u0442u0440u0438u043b, such as hydrocyanic acid and other organic partnership related products; fractionation u043fu0435u0440u0435u0433u043eu043du043au043eu0439 in aqueous solution.at least the first u043cu043du043eu0433u043eu0441u0442u0430u0434u0438u0439u043du043eu0439 column and the second u043cu043du043eu0433u043eu0441u0442u0430u0434u0438u0439u043du043eu0439 column; and the maintenance of effective u0438u043du0433u0438u0431u0438u0440u0443u044eu0449u0435u0433u043e columns u043fu043eu043bu0438u043cu0435u0440u0438u0437u0430u0446u0438u044e quantity at at least one u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 formula;where ph is u0444u0435u043du0438u043bu0435u043du043eu0432u0443u044e group and r1 and r2 are the same or different, is not u0433u0438u0434u0440u043eu043au0441u0438u043bu044cu043du044bu0445 groups containing organic se containing from about 2 to about 10 carbon atoms, provided that either r1 or r2 is not u00a0u0432u043bu00a0u044eu0442u0441u00a0 u0444u0435u043du0438u043bu044cu043du043eu0439 group.;11. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.10, so that an effective amount of an inhibitor u043fu043eu043bu0438u043cu0435u0440u0438u0437u0430u0446u0438u044e u043du0430u0445u043eu0434u0438u0442u0441u00a0 span from about 50 to about 1000 parts per million parts u043du0435u043du0430u0441u044bu0449u0435u043du043du043eu0433u043e u043cu043eu043du043eu043du0438u0442u0440u0438u043bu0430, u0441u043eu0434u0435u0440u0436u0430u0449u0435u0433u043eu0441u00a0 in water solution.;12. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.11, so that organic (r1 and r2 u00a0u0432u043bu00a0u044eu0442u0441u00a0 group members, u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of gauge setting, u0431u0443u0442u0438u043bu0430, ethyl, phenyl, u0433u0435u043au0441u0438u043bu0430, u0433u0435u043fu0442u0438u043bu0430, u043eu043au0442u0438u043bu0430, but the nile and u0434u0435u0446u0438u043bu0430, linear or complex.;13. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.10, so that u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du044b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 of group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from n, n '- u0434u0438u0430u043bu043au0438u043b - u0444u0435u043du0438u043bu0435u043d - u0434u0438u0430u043cu0438u043du043eu0432.;14. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.13, however, that certainly unsaturated u043cu043eu043du043eu043du0438u0442u0440u0438u043b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an acrylonitrile and u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 source selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of propane and residence lena.;15. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.14, so that u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du044b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from n, n '- di - u0432u0442u043eu0440.u043fu0440u043eu043fu0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n' - di - u0432u0442u043eu0440. butyl p - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n '- di - u0438u0437u043eu0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 and n, n' - di - u0442u0440u0435u0442.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043d - u0434u0438u0430u043cu0438u043du0430.;16. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.15, so that the connection u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an n, n '- di - u0432u0442u043eu0440.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043d.;17.method u0432u044bu0434u0435u043bu0435u043du0438u00a0 valuable nitrogen organic compounds by catalytic u0430u043cu043cu043eu043au0438u0441u043bu0435u043du0438u0435u043c propylene and / or propane ammonia and gaseous u0438u0441u0442u043eu0447u043d u0438u043au043eu043c u0434u0438u043au0438u0441u043bu043eu0440u043eu0434u0430, comprising an aqueous solution containing acrylonitrile,u0446u0438u0430u043du0438u0441u0442u043e - hydrogen acid and other organic related products; fractionation u043fu0435u0440u0435u0433u043eu043du043au043eu0439 in aqueous solution u043cu043du043eu0433u043eu0441u0442u0430u0434u0438u0439u043du043eu0439 column to obtain the u044bu0441u043eu043au043eu043au0438u043fu00a0u0449u0435u0439 fraction containing most of the material in the water solution and u043du0438u0437u043au043eu043au0438u043fu00a0u0449u0435u0439 fraction.containing the number of u0446u0438u0430u043du0438u0441u0442u043eu0432u043eu0434u043eu0440u043eu0434u043du043eu0439 acid water solution; and the maintenance of column effective u0438u043du0433u0438u0431u0438u0440u0443u044eu0449u0435u0433u043e u043fu043eu043bu0438u043cu0435u0440u0438u0437u0430u0446u0438u044e quantity on me u043du044cu0448u0435u0439 least one u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 formula;where ph is u0444u0435u043du0438u043bu0435u043du043eu0432u0443u044e group and r1 and r2 are the same or different, is not u0433u0438u0434u0440u043eu043au0441u0438u043bu044cu043du044bu0445 groups containing organic se containing from about 2 to about 10 carbon atoms, provided that either r1 or r2 is not u00a0u0432u043bu00a0u044eu0442u0441u00a0 u0444u0435u043du0438u043bu044cu043du043eu0439 group.;18. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.17, so that organic (r1 and r2 u00a0u0432u043bu00a0u044eu0442u0441u00a0 group members, u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of gauge setting, u0431u0443u0442u0438u043bu0430, ethyl, phenyl, u0433u0435u043au0441u0438u043bu0430, u0433u0435u043fu0442u0438u043bu0430, u043eu043au0442u0438u043bu0430, but the nile and u0434u0435u0446u0438u043bu0430, linear or complex.;19. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.17, so that u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du044b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from n, n '- di - u0432u0442u043eu0440.u043fu0440u043eu043fu0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n' - di - u0432u0442u043eu0440. butyl p - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n '- di - u0438u0437u043eu0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 and n, n' - di - u0442u0440u0435u0442.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043d - u0434u0438u0430u043cu0438u043du0430.;20. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.19, so that the connection u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a n ', n' - di - u0432u0442u043eu0440.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043d.;21.method u0432u044bu0434u0435u043bu0435u043du0438u00a0 valuable nitrogen organic compounds by catalytic u0430u043cu043cu043eu043au0438u0441u043bu0435u043du0438u0435u043c propylene and propane ammonia and u0433u0430u0437u043eu043eu0431u0440u0430u0437u043du044au043c source com u0434u0438u043au0438u0441u043bu043eu0440u043eu0434u0430, comprising an aqueous solution containing acrylonitrile and u0432u044bu0441u043eu043au043eu043au0438u043fu00a0u0449u0438u0435 organic aqueous solution pe u0441u043eu0435u0434u0438u043du0435u043du0438u00a0; fractionation u0440u0435u0433u043eu043du043au043eu0439 in u043cu043du043eu0433u043eu0441u0442u0430u0434u0438u0439u043du043eu0439 column to obtain u0432u044bu0441u043eu043au043eu043au0438u043fu00a0u0449u0435u0439 fraction.u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0449u0435u0439 a u0432u044bu0441u043eu043au043eu043au0438u043fu00a0u0449u0443u044e fraction containing almost all of the organic u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, u043au0438u043fu00a0u0449u0438u0435 above approximately 100u0441, u0432u044bu0445u043eu0434u00a0u0449u0435u0433u043e side stream containing at least 99 weight.% material, and u043du0438u0437u043au043eu043au0438u043fu00a0u0449u0435u0439 faction, practically not containing u0432u044bu0441u043eu043au043eu043au0438u043fu00a0u0449u0438u0445 organic compounds; and the maintenance of the column effective u0438u043du0433u0438u0431u0438u0440u0443u044eu0449u0435u0433u043e paul u0438u043cu0435u0440u0438u0437u0430u0446u0438u044e quantity of at least one u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 formula;where ph is u0444u0435u043du0438u043bu0435u043du043eu0432u0443u044e group and r1 and r2 are the same or different, is not u0433u0438u0434u0440u043eu043au0441u0438u043bu044cu043du044bu0445 groups containing organic se containing from about 2 to about 10 carbon atoms, provided that either r1 or r2 is not u00a0u0432u043bu00a0u044eu0442u0441u00a0 u0444u0435u043du0438u043bu044cu043du043eu0439 group.;22. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.21, so that the organic substitutes r1 and r2 u00a0u0432u043bu00a0u044eu0442u0441u00a0 group members, u0441u043eu0441u0442u043eu00a0u0449u0435u0439 of gauge setting, u0431u0443u0442u0438u043bu0430, ethyl, phenyl, u0433u0435u043au0441u0438u043bu0430, u0433u0435u043fu0442u0438u043bu0430, u043eu043au0442u0438u043bu0430, but the nile and u0434u0435u0446u0438u043bu0430, linear or complex.;23. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.21, so that u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du044b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from n, n '- di - u0432u0442u043eu0440.u043fu0440u043eu043fu0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n' - di - u0432u0442u043eu0440. butyl p - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n '- di - u0438u0437u043eu0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 and n, n' - di - u0442u0440u0435u0442.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043d - u0434u0438u0430u043cu0438u043du0430.;24. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.23, so that the connection u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an n, n '- di - u0432u0442u043eu0440.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043d.;25.method u0432u044bu0434u0435u043bu0435u043du0438u00a0 valuable nitrogen organic compounds by catalytic u0430u043cu043cu043eu043au0438u0441u043bu0435u043du0438u0435u043c u0438u0437u043eu0431u0443u0442u0438u043bu0435u043du0430 or u0438u0437u043eu0431u0443u0442u0430u043du0430 ammonia and gaseous east u043eu0447u043du0438u043au043eu043c u0434u0438u043au0438u0441u043bu043eu0440u043eu0434u0430, comprising an aqueous solution containing u043cu0435u0442u0430u043au0440u0438u043bu043eu043du0438u0442u0440u0438u043b,such as hydrocyanic acid and other organic products process associated u0430u043cu043cu043eu043au0438u0441u043bu0435u043du0438u00a0 u0438u0437u043eu0431u0443u0442u0438u043bu0435u043du0430 and / or u0438u0437u043eu0431u0443u0442u0430u043du0430 ammonia and gaseous source of dr. u0438u043au0438u0441u043bu043eu0440u043eu0434u0430; fractionation u043fu0435u0440u0435u0433u043eu043du043au043eu0439 in aqueous solution u043cu043du043eu0433u043eu0441u0442u0430u0434u0438u0439u043du043eu0439 column to obtain u0432u044bu0441u043eu043au043eu043au0438u043fu00a0u0449u0435u0439 fraction containing most of the u043cu0435u0442u0430u043au0440u0438u043bu043e nitrile in the water solution, and u043du0438u0437u043au043eu043au0438u043fu00a0u0449u0435u0439 fraction.containing the number of u0446u0438u0430u043du0438u0441u0442u043eu0432u043eu0434u043eu0440u043eu0434u043du043eu0439 acid water solution; and the maintenance of column effective u0438u043du0433u0438u0431u0438u0440u0443u044eu0449u0435u0433u043e u043fu043eu043bu0438u043cu0435u0440u0438u0437u0430u0446u0438u044e quantity on me u043du044cu0448u0435u0439 least one u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 formula;where ph is u0444u0435u043du0438u043bu0435u043du043eu0432u0443u044e group and r1 and r2 are the same or different, is not u0433u0438u0434u0440u043eu043au0441u0438u043bu044cu043du044bu0445 groups containing organic se containing from about 2 to about 10 carbon atoms, provided that either r1 or r2 is not u00a0u0432u043bu00a0u044eu0442u0441u00a0 u0444u0435u043du0438u043bu044cu043du043eu0439 group.;26. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.25, so that u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du044b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from n, n '- di - u0432u0442u043eu0440.u043fu0440u043eu043fu0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n' - di - u0432u0442u043eu0440. butyl p - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n '- di - u0438u0437u043eu0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 and n, n' - di - u0442u0440u0435u0442.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043d - u0434u0438u0430u043cu0438u043du0430.;27. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.26, so that the connection u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an n, n '- di - u0432u0442u043eu0440.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043d.;28.method u0432u044bu0434u0435u043bu0435u043du0438u00a0 valuable nitrogen organic compounds comprising a gaseous flow, u0432u044bu0445u043eu0434u00a0u0449u0435u0433u043e from the reactor, through the u0430u043cu043cu043eu043au0438u0441u043bu0435u043du0438u00a0 propylene and ammonia and gaseous source of u0434u0438u043au0438u0441u043bu043eu0440u043eu0434u0430 in front of their heterogeneous catalyst comprising coba u043au043eu043du0442u0430u043au0442u0438u0440u043eu0432u0430u043du0438u0435 gaseous flow, u0432u044bu0445u043eu0434u00a0u0449u0435 guo from the reactor with water fluid with an aqueous solution.containing acrylonitrile, such as hydrocyanic acid and other organic related products; fractionation of the aqueous solution through the tunnel key in u043cu043du043eu0433u043eu0441u0442u0430u0434u0438u0439u043du043eu0439 column to obtain u0432u044bu0441u043eu043au043eu043au0438u043fu00a0u0449u0435u0439 fraction containing most of the material in the water solution, and u043du0438u0437u043au043eu043au0438u043fu00a0u0449u0435u0439 fraction.the number of u0446u0438u0430u043du0438u0441u0442u043e containing an acid water solution; and the maintenance of column effective u0438u043du0433u0438u0431u0438u0440u0443u044eu0449u0435u0433u043e u043fu043eu043bu0438u043cu0435u0440u0438u0437u0430u0446u0438u044e number, m u0435u043du044cu0448u0435u0439 least one u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 formula;where ph is u0444u0435u043du0438u043bu0435u043du043eu0432u0443u044e group and r1 and r2 are the same or different, is not u0433u0438u0434u0440u043eu043au0441u0438u043bu044cu043du044bu0445 groups containing organic se containing from about 2 to about 10 carbon atoms, provided that either r1 or r2 is not u00a0u0432u043bu00a0u044eu0442u0441u00a0 u0444u0435u043du0438u043bu044cu043du043eu0439 group.;29. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.28, so that u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du044b u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u044eu0442 a u0441u043eu0435u0434u0438u043du0435u043du0438u00a0, selected from the group u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from n, n '- di - u0432u0442u043eu0440.u043fu0440u043eu043fu0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n' - di - u0432u0442u043eu0440. butyl p - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430, n, n '- di - u0438u0437u043eu0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043du0430 and n, n' - di - u0442u0440u0435u0442.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043d - u0434u0438u0430u043cu0438u043du0430.;30. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 p.29, so that the connection u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an n, n '- di - u0432u0442u043eu0440.u0431u0443u0442u0438u043b - u0444u0435u043du0438u043bu0435u043du0434u0438u0430u043cu0438u043d.