|
| US3930989 | 21 Oct 1974 | 6 Ene 1976 | The Superior Oil Company | Method for reduction of sulfur and nitrogen content in hydrocarbons |
| US3941552 | 29 Oct 1974 | 2 Mar 1976 | | Burning water-in-oil emulsion containing pulverized coal |
| US3977844 | 9 May 1973 | 31 Ago 1976 | | Process for producing a sulfur free combustible gas |
| US4060041 | 30 Jun 1975 | 29 Nov 1977 | Energy Products of Idaho | Low pollution incineration of solid waste |
| US4075953 | 20 Jun 1977 | 28 Feb 1978 | Energy Products of Idaho | Low pollution incineration of solid waste |
| US4084545 | 6 Jun 1977 | 18 Abr 1978 | Battelle Development Corporation | Operating method |
| US4111755 | 27 Ene 1977 | 5 Sep 1978 | McDowell-Wellman Engineering Company | Method of producing pelletized fixed sulfur fuel |
| US4142907 | 11 May 1978 | 6 Mar 1979 | FMC Corporation | High sodium oxide composition useful in the manufacture of glass |
| US4173454 | 29 Nov 1978 | 6 Nov 1979 | | Method for removal of sulfur from coal in stoker furnaces |
| US4303477 | 9 Jun 1980 | 1 Dic 1981 | Babcock Krauss-Maffei Industrieanlagen GmbH | Process for the pyrolysis of waste materials |
| US4450777 | 27 Abr 1983 | 29 May 1984 | Rheinische Braunkohlenwerke AG | Process for removing noxious substances containing fluorine and/or sulfur from gaseous or liquid media |
| US4588568 | 23 Feb 1984 | 13 May 1986 | L. & C. Steinmuller GmbH | Method of binding sulfur compounds, which result as reaction products during the combustion of sulfur-containing fuels, by addition of additives |
| US4671804 | 29 Nov 1985 | 9 Jun 1987 | Texaco Inc. | Partial oxidation process |
| US4783325 | 14 May 1985 | 8 Nov 1988 | | Process and apparatus for removing oxides of nitrogen and sulfur from combustion gases |
| US5001994 | 17 Ago 1987 | 26 Mar 1991 | Toa Trading Co., Ltd. | Method of controlling generation of clinker ash from exhaust gas dust of coal |
| US5120508 | 7 Abr 1988 | 9 Jun 1992 | | Apparatus for removing oxides of nitrogen and sulfur from combustion gases |
| US6338305 | 10 Abr 2000 | 15 Ene 2002 | | On-line remediation of high sulfur coal and control of coal-fired power plant feedstock |
| US6484651 | 6 Oct 2000 | 26 Nov 2002 | Crown Coal & Coke Co. | Method for operating a slag tap combustion apparatus |
| US6773471 | 30 Jul 2002 | 10 Ago 2004 | ADA Environmental Solutions, LLC | Low sulfur coal additive for improved furnace operation |
| US7332002 | 30 Jul 2002 | 19 Feb 2008 | ADA Environmental Solutions, LLC | Low sulfur coal additive for improved furnace operation |
| US7507083 | 16 Mar 2006 | 24 Mar 2009 | | Reducing mercury emissions from the burning of coal |
| US7674442 | 9 Ene 2009 | 9 Mar 2010 | | Reducing mercury emissions from the burning of coal |
| US7758827 | 16 Mar 2006 | 20 Jul 2010 | NOx II, Ltd. | Reducing mercury emissions from the burning of coal |
| US7776301 | 12 Feb 2010 | 17 Ago 2010 | NOx II, Ltd. | Reducing mercury emissions from the burning of coal |
| US7955418 | 11 Sep 2006 | 7 Jun 2011 | Abela Pharmaceuticals, Inc. | Systems for removing dimethyl sulfoxide (DMSO) or related compounds or odors associated with same |
| US7955577 | 10 Jun 2010 | 7 Jun 2011 | NOx II, Ltd | Reducing mercury emissions from the burning of coal |
| US8124036 | 27 Oct 2006 | 28 Feb 2012 | ADA-ES, Inc. | Additives for mercury oxidation in coal-fired power plants |
| US8150776 | 11 Ene 2007 | 3 Abr 2012 | NOx II, Ltd. | Methods of operating a coal burning facility |
| US8226913 | 2 May 2011 | 24 Jul 2012 | NOx II, Ltd. | Reducing mercury emissions from the burning of coal |
