Method of oxidizing elemental mercury in combustion processes

摘要

1. method u043eu043au0438u0441u043bu0435u043du0438u00a0 element mercury in the u0441u0436u0438u0433u0430u043du0438u00a0 fuel, comprising a composition containing bentonite, the camera u0441u0436u0438u0433u0430u043du0438u00a0, u043eu0431u0436u0438u0433u043eu0432u0443u044e boiler or furnace below u0441u0436u0438u0433u0430u043du0438u00a0 zone of burners at a temperature above 500u0441.;2. method for 1, in which the bentonite u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a u043du0430u0442u0440u0438u0439u0431u0435u043du0442u043eu043du0438u0442.;3. method for 2, which u043du0430u0442u0440u0438u0439u0431u0435u043du0442u043eu043du0438u0442 u0445u0430u0440u0430u043au0442u0435u0440u0438u0437u0443u0435u0442u0441u00a0 u0441u043bu0430u0431u043eu043eu043au0440u0430u0448u0435u043du043du044bu043cu0438 particles with a crystalline structure, which is well and have good stake u043bu043eu0438u0434u043du044bu043cu0438 properties.;4. method for article 3, in which the bentonite is one or more of the following characteristics:;SiO2 from about 51 to about 78% of mas.;Al2O3 from about 13 to about 23%, mas.;Fe2u043e3 from about 1 to about 5% of mas.;MgO from approximately 2 to approximately 3% of mas.;ess from approximately 0.1 to 3.0% of mas.;Na2O from about 1 to about 3% of mas.;K2O from about 0 to about 2% of mas.;TiO from about 0 to about 0.5%, mas.;FeO from approximately 0 to 0.5 mas.%;;moisture: less than about 12%;;the ph of from about 8 to about 11, with 5% solids.;u0443u0434u0435u043bu044cu043du0430u00a0 density: approximately 2 - 3;;ion exchange materials:;sodium: about 60 - 65 u043cu044du043au0432 / 100 g;;calcium: about 10 to 30 u043cu044du043au0432 / 100 g;;magnesium: about 5 to 20 u043cu044du043au0432 / 100 g;;potassium: about 1 to 5 u043cu044du043au0432 / 100g.;5. method for paragraph 4, in which u0445u0430u0440u0430u043au0442u0435u0440u0438u0437u0443u0435u0442u0441u00a0 bentonite further one or more of the following parameters:;u0432u00a0u0437u043au043eu0441u0442u044cu043fu0440u0438u043cu0435u0440u043du043e 180 u043du0435u043eu0431u0440u0430u0431u043eu0442u0430u043du043du044bu0439u0440u0430u0437u043cu0435u0440 u0447u0430u0441u0442u0438u0446u043fu0440u0438u043cu0435u0440u043du043e 20% maximum of all 8 u043cu0435u0448u043fu0440u0438u043cu0435u0440u043du043e 20% maximum u043fu0440u043eu0445u043eu0434u00a0u0442u0447u0435u0440u0435u0437 sieve 20 u043cu0435u0448u0441u0432u043eu0431u043eu0434u043du043eu0435 u043du0430u0431u0443u0445u0430u043du0438u0435u043fu0440u0438u043cu0435u0440u043du043e 27 ml mi u043du0438u043cu0443u043cu044fu0440u043au043eu0441u0442u044cu043fu0440u0438u043cu0435u0440u043du043e 55 - 65 units GEWaterplateu043fu0440u0438u043cu0435u0440u043du043e 500 - 800.;6. method for 1, which use one or more fuels to choose from the group, u0441u043eu0441u0442u043eu00a0u0449u0435u0439 from oil, u0443u0433u043bu00a0, solid waste, biomedical waste wax u043bu0438u0433u043du043e cellulose, wood, black u0449u0435u043bu043eu043au0430, u0441u0443u043bu044cu0444u0438u0442u043du043eu0433u043e u0449u0435u043bu043eu043au0430 or combinations of them.;7. method for p.6, in which fuel in a way u0441u0436u0438u0433u0430u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 coal.;8. method for zone 1, in which the u0441u0436u0438u0433u0430u043du0438u00a0 of burners u043du0430u0445u043eu0434u00a0u0442u0441u00a0 chamber u0434u043eu0436u0438u0433u0430u043du0438u00a0, cyclones, filters, heat exchangers, fabric filters particulate scrubbers, electro the static contactor, wet scrubbers, smoke tube or their combination.;9. method for point 9, in which the u0441u0436u0438u0433u0430u043du0438u00a0 zone of burners u043du0430u0445u043eu0434u00a0u0442u0441u00a0 one or more wet scrubbers.;10. method for 1, in which the bentonite u0432u0432u043eu0434u00a0u0442 in process u0441u0436u0438u0433u0430u043du0438u00a0 on boiler temperature of from about 500 to about 1300u0441.;11. method for 1, in which the ratio of bentonite, bentonite u0434u043eu0431u0430u0432u043bu00a0u044eu0442 in u0442u043eu043fu043eu0447u043du0430u00a0 ash from approximately 1: 1 00000 (iau / mas) to approximately 1: 1 (iau / mas).;12. method for 1, in which the bentonite is comprised of particles of about 90 to 400 mesh.;13. method for 1, in which the bentonite u0432u0434u0443u0432u0430u044eu0442 cell u0441u0436u0438u0433u0430u043du0438u00a0, boiler or furnace below u0441u0436u0438u0433u0430u043du0438u00a0 u043eu0431u0436u0438u0433u043eu0432u0443u044e zone of burners.;14. method for phase 1, further comprising u0434u043eu0431u0430u0432u043bu0435u043du0438u00a0 compositions containing bentonite, the camera u0441u0436u0438u0433u0430u043du0438u00a0, boiler or furnace above or directly in u043eu0431u0436u0438u0433u043eu0432u0443u044e u0441u0436u0438u0433u0430u043du0438u00a0 zone of burners, and the top and bottom adding bentonite u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 simultaneously.;15. a way to question 14, in which the bentonite u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a u043du0430u0442u0440u0438u0439u0431u0435u043du0442u043eu043du0438u0442.;16. method for p.15, which use different u0431u0435u043du0442u043eu043du0438u0442u044b.