A method for the production of nitrogen trifluoride from a fluorine reactant and an ammonium ion source that is dispersed within a liquid phase reaction mixture containing one or more perfluorocarbon fluids is disclosed herein. In one embodiment, the fluorine reactant is introduced to the reaction m
A method for the production of nitrogen trifluoride from a fluorine reactant and an ammonium ion source that is dispersed within a liquid phase reaction mixture containing one or more perfluorocarbon fluids is disclosed herein. In one embodiment, the fluorine reactant is introduced to the reaction mixture at a temperature that ranges from 90째 C. to 120째 C. In this embodiment, the percentage yield of nitrogen trifluoride may be about 80% or greater.
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We claim: 1. A method for producing a nitrogen trifluoride product, the method comprising: providing a reaction mixture comprising an ammonium ion source and a perfluorcarbon fluid wherein at least a portion of the ammonium ion source comprises a solid; and introducing a fluorine reactant to the re
We claim: 1. A method for producing a nitrogen trifluoride product, the method comprising: providing a reaction mixture comprising an ammonium ion source and a perfluorcarbon fluid wherein at least a portion of the ammonium ion source comprises a solid; and introducing a fluorine reactant to the reaction mixture at one or more temperatures sufficient to effect a reaction and thereby form the nitrogen trifluoride product. 2. The method of claim 1 further comprising the step of heating the reaction mixture to substantially solubilize at least a portion of the ammonium ion source within the perfluorocarbon fluid. 3. The method of claim 1 further comprising the step of introducing an ammonia gas into the reaction mixture. 4. The method of claim 3 wherein the reaction is performed in a continuous manner with the fluorine reactant and the ammonia gas added to the reaction mixture. 5. The method of claim 1 wherein the temperature ranges from about 60째 C. to about 144째 C. 6. The method of claim 5 wherein the temperature ranges from about 90째 C. to about 120째 C. 7. The method of claim 6 wherein the percentage yield of the nitrogen trifluoride product is about 80% or greater. 8. The method of claim 7 wherein the percentage yield of the nitrogen trifluoride product is about 90% or greater. 9. The method of claim 1 wherein the weight-to-volume ratio of the ammonium ion source to the perfluorocarbon fluid ranges from 4:1 to 1:2. 10. The method of claim 1 wherein the weight percentage of the ammonium ion source to the perfluorocarbon fluid in the reaction mixture ranges from 1% to 99 weight %. 11. The method of claim 1 wherein the ammonium ion source is at least one selected from the group consisting of NH3, NH 4F, NH4HF2, NH4Cl, NH4Br, NH 4I, NH4NO3, (NH4)3PO4, (NH4)2SO4, (NH4)2CO3 , NH4HCO3, NH4HSO4, NH4 OSO2F, NH4OSO2Cl, NH4OSO2 CF3, NH4OSO2CH3, NH4OC(O) CF3, NH4OC(O)CH3, NH4N(SO2 CF3)2, NH4OIOF4, NH4OTeF 5, NH4IO4, NH4ClO4, NH4 BrO4, and mixtures thereof. 12. The method of claim 11 wherein the ammonium ion source comprises ammonium fluoride. 13. The method of claim 11 wherein the ammonium ion source comprises ammonium bifluoride. 14. The method of claim 11 wherein the ammonium ion source comprises ammonia. 15. The method of claim 1 wherein the ammonium ion source comprises a compound of the formula (NH4)yMFz. nHF wherein M is one or more elements selected from the group consisting of elements of Group 1 through Group 18 of the Periodic Table of the Elements; y is a number that ranges from 1 to 4; z is a number that ranges from 2 to 8; and n is an amount that is sufficient to maintain the compound as a liquid in the exisiting reaction conditions. 16. The method of claim 1 wherein the ammonium ion source comprises a compound of the formula (NH4)xMyA. nHF wherein M is one or more elements selected from the group consisting of elements of Group 1 through 18 of the Periodic Table of the Elements; A is an anion selected from the group consisting of carbonate, bicarbonate, phosphate, sulfate, nitrate, periodate, perbromate, and perchlorate; x is a number that ranges from 1 to 3; y is a number that ranges from 0 to 2; and n is an amount that is sufficient to maintain the compound as a liquid in the reaction mixture. 17. The method of claim 1 wherein the ammonium ion source is a spent reaction mixture. 18. The method of claim 1 wherein the ammonium ion source is at least one selected from the group consisting of: a. NH3, NH4F, NH4HF2, NH4Cl, NH4Br, NH4I, NH4NO3, (NH4)3PO4, (NH4)2SO4 , (NH4)2CO3, NH4HCO3, NH 4HSO4, NH4OSO2F, NH4OSO2 Cl, NH4OSO2CF3, NH4OSO2CH 3, NH4OC(O)CF3, NH4OC(O)CH3, NH4N(SO2CF3)2, NH4OIOF 4, NH4OTeF5, NH4IO4, NH4 ClO4, NH4BrO4; b. a compound of the formula (NH4)yMF z.nHF wherein M is one or more elements selected from the group consisting of elements of Group 1 through Group 18 of the Periodic Table of the Elements; y is a number that ranges from 1 to 4; z is a number that ranges from 2 to 8; and n is an amount that is sufficient to maintain the compound as a liquid in the exisiting reaction conditions; or c. a compound of the formula (NH4)xM yA.nHF wherein M is one or more elements selected from the group consisting of elements of Group 1 through 18 of the Periodic Table of the Elements; A is an anion selected from the group consisting of carbonate, bicarbonate, phosphate, sulfate, nitrate, periodate, perbromate, and perchlorate; x is a number that ranges from 1 to 3; y is a number that ranges from 0 to 2; and n is an amount that is sufficient to maintain the compound as a liquid in the reaction mixture; and mixtures thereof. 19. The method of claim 1 wherein the reaction mixture is agitated. 20. The method of claim 1 wherein the fluorine reactant is introduced at a rate of 40 lbs per hour or greater. 21. A method for producing a nitrogen trifluoride product, the method comprising: combining an ammonium ion source and a perfluorocarbon fluid to form a reaction mixture wherein at least a portion of the ammonium ion source comprises a solid; heating the reaction mixture to substantially solubilize at least a portion of the ammonium ion source within the perfluorocarbon compound; and introducing a fluorine reactant to the reaction mixture at one or more temperatures sufficient to effect a reaction and thereby form the nitrogen trifluoride product. 22. The method of claim 21 further comprising the step of introducing an ammonia gas into the reaction mixture. 23. The method of claim 21 wherein the temperature ranges from about 60째 C. to about 144째 C. 24. The method of claim 23 wherein the temperature ranges from about 90째 C. to about 120째 C. 25. The method of claim 24 wherein the percentage yield of the nitrogen trifluoride product is about 80% or greater. 26. The method of claim 25 wherein the percentage yield of the nitrogen trifluoride product is about 90% or greater. 27. A method for producing a nitrogen trifluoride product at a high yield, the method comprising: combining an ammonium ion source and a perfluorocarbon fluid to form a reaction mixture wherein the ammonium ion source comprises a solid; heating the reaction mixture to substantially solubilize at least a portion of the ammonium ion source within the perfluorocarbon fluid; and introducing a fluorine reactant to the reaction mixture at one or more temperatures ranging from about 90째 C. to about 120째 C. to effect a reaction and thereby form the nitrogen trifluoride product wherein the percentage yield of the nitrogen trifluoride product is about 80% or greater. 28. The method of claim 27 further comprising the step of introducing an ammonia gas into the reaction mixture. 29. The method of claim 28 wherein the reaction is performed in a continuous manner with the fluorine reactant and an ammonia gas added to the reaction mixture. 30. The method of claim 27 wherein the reaction mixture is agitated. 31. The method of claim 27 wherein the fluorine reactant is introduced at a rate of 40 lbs per hour or greater.
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이 특허에 인용된 특허 (3)
Tokunaga Nobuyuki,JPX ; Moroi Shirou,JPX ; Kojima Keizo,JPX, Method for producing nitrogen trifluoride by gas-solid reaction.
Coronell Daniel G. (Allentown PA) Hsiung Thomas H.-L. (Emmaus PA) Withers ; Jr. Howard P. (Breinigsville PA) Woytek Andrew J. (Allentown PA), Process for nitrogen trifluoride synthesis.
Krouse, Steven Arnold; Machado, Reinaldo Mario; Hart, James Joseph; Nehlsen, James Patrick, Electrolytic apparatus, system and method for the efficient production of nitrogen trifluoride.
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