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| Number | Title | Issue Date |
| 6475457 | Process for manufacturing potassium nitrate fertilizer and other metal nitrates A process for producing potassium nitrate and other metal nitrates from the chlorides, sulfates, oxides of these metals. The process uses nitrogen dioxide as a true fluidizing medium in shallow beds of the aforementioned solids at moderately elevated temp... | 11/05/2002 |
| 5411725 | Process for the continuous conversion of one hydroxylamine salt to another hydroxylamine salt The present invention relates to a process for the continuous conversion of one hydroxylamine salt to another hydroxylamine salt, said process involving a countercurrent liquid-liquid extraction followed by a countercurrent liquid-liquid re-extraction. Ch... | 05/02/1995 |
| 5182027 | Process for treating ammonia and nitrite containing waters to reduce nitrogen oxide emissions therefrom A process is provided for controlling the emission of nitrogen dioxide from, and the growth of living organisms in, steam condensate cooling towers and catch basins used in conjunction with a condensate of steam derived from an ammonia containing geotherm... | 01/26/1993 |
| 5167834 | Process for treating nitrite-and sulfide-containing water to reduce nitrogen oxide and hydrogen sulfide emissions therefrom A process for abating the emission of hydrogen sulfide and nitrogen oxide from a condensate of steam, derived from a sulfide- and nitrite-containing geothermal brine, comprising introducing an oxidizing agent into the condensate in an amount less than tha... | 12/01/1992 |
| 4364914 | Process for the manufacture of potassium nitrate with co-production of hydrochloric acid The present invention relates to a process for the manufacture of potassium nitrate with co-production of relatively concentrated aqueous solution of hydrochloric acid. According to the invention, potassium chloride and nitric acid are reacted in the medi... | 12/21/1982 |
| 3987150 | Production of ammonium nitrate A process for the production of ammonium nitrate is provided wherein ammonium chloride is contacted with a gaseous stream containing nitrogen dioxide, in an inert liquid dispersing medium.... | 10/19/1976 |
