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Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7374590 | Reducing sulfur dioxide emissions from coal combustion A process of treating high sulfur coal to reduce sulfur dioxide emission when the high sulfur coal is burned comprising placing coal in pressure tank (16) of reduced pressure sufficient to fracture a portion of the coal by withdrawing ambient fluids trapped w... | 05/20/2008 |
| 7282072 | Synthetic fuel and methods for producing synthetic fuel The present invention provides synthetic fuels, additives for use in preparing synthetic fuels and methods for producing synthetic fuel. The synthetic fuels include low levels of a chemical change additive selected from the group consisting of alkaline earth oxides ... | 10/16/2007 |
| 7217750 | Process for incorporating one or more materials into a polymer composition and products produced thereby The present invention relates to various processes that utilize one or more supercritical fluids to disperse various inorganic and organic materials, including crystalline materials, into polymeric compositions, substrates or pre-formed articles without the utilizat... | 05/15/2007 |
| 7208023 | Dry dust control materials The present invention discloses methods to reduce dusting in bulk materials, such as coal. The method includes mixing with the bulk material either a fraction of the bulk material having an electrostatic charge opposite that of the remainder of the bulk material or ... | 04/24/2007 |
| 7186345 | Systems for water purification through supercritical oxidation Supercritical water (SCW) systems and methods using the properties of supercritical water to allow a raw water stream including water and a contaminant to be purified. A supercritical water oxidation (SCWO), water purifier may generally include water and oxidizer (s... | 03/06/2007 |
| 7175716 | Critical and supercritical cleaning of hydrocarbon-containing materials A method for cleaning materials containing solids and/or liquids is disclosed which involves contacting the materials with an extracting fluid including Xe, NH3, lower aromatics, nitrous oxide, water, CO, CO2, H2O, lower alcohols, lo... | 02/13/2007 |
| 7101410 | Method for the microbiological desulfurization of fossil fuels A microbiological method of desulfurization (MDS) of hydrocarbon fuels such as coal, coal tar and petroleum uses an aqueous microbial biocatalytic agent which is not significantly reproducing but is still capable of oxidizing inorganic sulfur compounds and/or of sel... | 09/05/2006 |
| 6905028 | Method of separation by altering molecular structures Method of separation that uses at least one organic chemical reaction to alter the molecular structure of a substance or substances (102) so that a mechanical method of separation can be used to cause the separation of one or more substances from one or a gro... | 06/14/2005 |
| 6863819 | Water treatment method The invention provides a method treating acid raw water including the step of neutralising the water by adding calcium carbonate to it in a neutralising stage. The neutralised water is then rendered alkaline or more alkaline by adding an alkali thereto selected from... | 03/08/2005 |
| 6190428 | Electrochemical process for removing low-valent sulfur from carbon The present invention is, in one aspect, a process for removing low-valent sulfur from carbon containing such low-valent sulfur (sulfur-containing carbon), having the step of contacting the sulfur-containing carbon with a platinum oxide in an aqueous envi... | 02/20/2001 |
| 6068737 | Simultaneous demetallization and desulphuration of carbonaceous materials via microwaves The process of demetalization and desulphuration of a mixture of carbonaceous material in an acid medium subjecting the mixture to the influence of wave energy in the microwave range, recovering, afterwards, the sulphur and separating the treated material... | 05/30/2000 |
| 5876622 | Fluid, formulation and method for dust control and dewatering of particulate materials An aqueous, coal dust suppression fluid comprising one or more surfactants and at least one high terpene-containing natural oil. The coal dust suppression fluid can be used in a formulation of water dosed with the aqueous dust suppression fluid for the ab... | 03/02/1999 |
| 5863456 | Fluid, formulation and method for dust control and dewatering of particulate materials An aqueous dust suspression and dewatering fluid comprising one or more surfactants and at least one high terpene-containing natural oil. The fluid can be used in a formulation of water dosed with the aqueous dust suspression and dewatering fluid for the ... | 01/26/1999 |
| 5795484 | Method and apparatus for dewatering An ultra-fine coal particle fraction forms a coal product with particles that are dilatant due to the mechanical stripping of the clay contaminates from the coal surface and the subdividing of the clay to clay platelets which are peptized to maintain disc... | 08/18/1998 |
| 5509945 | Mild desulfurization of sulfur-bearing materials A method for the removal of sulfur from sulfur-bearing materials such as coal and petroleum products using organophosphine and organophosphite compounds is provided.... | 04/23/1996 |
| 5510265 | Multistage process for deep desulfurization of a fossil fuel A method for the deep desulfurization of a liquid fossil fuel containing organic sulfur comprising aromatic sulfur-bearing heterocycles is described, wherein the fossil fuel is (a) subjected to hydrodesulfurization or microbial desulfurization, (b) contac... | 04/23/1996 |
| 5505746 | Method of treating coal to reduce sulphur and chlorine emissions Methods and compositions are provided for treating coal to reduce the emissions of sulphur dioxide and hydrogen chloride gases upon combustion. In the subject method, coal is washed with a calcium anion wash solution, such as calcium hydroxide solution, a... | 04/09/1996 |
| 5496729 | Process for the desulfurization and the desalting of a fossil fuel This invention relates to an integrated method for the desulfurization and desalting of a fossil fuel, comprising the steps of: (a) contacting a fossil fuel with; (i) a sufficient amount of an aqueous solution capable of depleting the fossil fuel of forms... | 03/05/1996 |
| 5458659 | Desulfurization of carbonaceous fuels First, nitrogen oxides are reduced by firing coal in substoichiometric air conditions in a first stage oxidation unit of a combustor to reduce NOx from fuel bound nitrogen. Hydrated lime, Ca(OH)2, is introduced into the first stage o... | 10/17/1995 |
| 5437696 | Method of removal of sulfur from coal and petroleum products A method for the removal of sulfur from sulfur-bearing materials such as coal and petroleum products using organophosphine and organophosphite compounds is provided.... | 08/01/1995 |
| 5387523 | Multistage process for deep desulfurization of fossil fuels A method of deeply desulfurizing a fossil fuel which contains a variety of organic sulfur compounds, some of which are labile to hydrodesulfurization (HDS) and some of which are refractory to HDS, comprising the steps of (a) subjecting the fossil fuel to ... | 02/07/1995 |
| 5382267 | Method of reducing inorganic and organic sulfur in solid carbonaceous material prior to use of the solid carbonaceous material The inorganic and organic desulfurization of solid carbonaceous material at elevated temperatures is increased significantly in the presence of copper. The copper serves as a scavenger for the hydrogen sulfide formed to insure a low hydrogen sulfide conce... | 01/17/1995 |
| 5356813 | Process for the desulfurization and the desalting of a fossil fuel This invention relates to an integrated method for the desulfurization and desalting of a fossil fuel, comprising the steps of: (a) contacting a fossil fuel with; (i) a sufficient amount of an aqueous solution capable of depleting the fossil fuel of forms... | 10/18/1994 |
| 5330671 | Fluid, formulation and method for coal dust control An aqueous, coal dust suppression fluid comprising one or more surfactants and at least one high terpene-containing natural oil. The coal dust suppression fluid can be used in a formulation of water dosed with the aqueous dust suppression fluid for the ab... | 07/19/1994 |
| 5326456 | Upgrading of bitumen asphaltenes by hot water treatment containing carbonate (C-2726) A process for upgrading bitumen asphaltenes obtained from tar sands to hydrocarbons which comprises contacting the bitumen with a deasphalting solvent to yield a deasphalted oil and a residual solid asphaltene, separating the residual solid asphaltene fro... | 07/05/1994 |
| 5316751 | Methods for mine tailing clean-up using recovery technologies A method for site remediation for mitigating contamination from metals or metal compounds, particularly resulting from the situation of mine tailing waste on or near water sources, including the reprocessing and redeposit of separated sands and slimes in-... | 05/31/1994 |
| 5316659 | Upgrading of bitumen asphaltenes by hot water treatment A process for upgrading bitumen asphaltenes obtained from tar sands to hydrocarbons which comprises contacting the bitumen with a deasphalting solvent to yield a deasphalted oil and a residual solid asphaltene, separating the residual solid asphaltene fro... | 05/31/1994 |
| 5312462 | Moist caustic leaching of coal A process for reducing the sulfur and ash content of coal. Particulate coal is introduced into a closed heated reaction chamber having an inert atmosphere to which is added 50 mole percent NaOH and 50 mole percent KOH moist caustic having a water content ... | 05/17/1994 |
| 5296007 | Process for removing sulfur from coal A process for reducing the sulfur content of coal containing pyritic and organic sulfur comprising: contacting the coal with less than the molar stoichiometric amount of at least one +5 vanadium component and at least one reducible manganese component at ... | 03/22/1994 |
| 5284635 | Process for the elimination of hydrogen sulfide by using water-in-oil emulsions A process for the removal of hydrogen sulfide present in a composition comprising treating the composition with a water-in-oil emulsion wherein said water-in-oil emulsion containing by weight about: 20 to 80% of a dispersed aqueous phase containing about ... | 02/08/1994 |
| 5248413 | Process for removing sulfur and producing enhanced quality and environmentally acceptable products for energy production from coal A process for producing enhanced quality adsorbent carbons and environmentally acceptable materials for energy production from coal includes an initial step of physically cleaning the coal to remove organic sulfur and mineral tailings. Next, a coal slurry... | 09/28/1993 |
| 5161694 | Method for separating fine particles by selective hydrophobic coagulation A process of selectively agglomerating coal in an aqueous environment while leaving the mineral matter dispersed has been developed. This process is autogenous for hydrophobic particles in that neither an agglomerating agent nor an electrolytic coagulant ... | 11/10/1992 |
| 5147045 | Particulate separations by electrostatic coalescence The use of electrostatic demulsification methods to separate fine particulates of differing surface characteristics is disclosed. In one example, particles of hydrophobic coal and hydrophilic kaolin clay, each of nominal 3.5 micron mass mean particle diam... | 09/15/1992 |
| 5085764 | Process for upgrading coal In a process for reducing the sulfur and ash contents of coal, coal is sequentially contacted with fused alkali metal caustic, wash water, and acid. Contacting the coal with the caustic produces water-soluble compounds. Sufficient wash water is used to re... | 02/04/1992 |
| 5080692 | Extraction of organic sulfur from coal by use of supercritical fluids Organic sulfur is removed from coal by extraction with a water/methanol/carbon dioxide mixture under supercritical conditions of temperature and pressure, i.e., at a temperature and pressure of the critical temperature and pressure, respectively. The pref... | 01/14/1992 |
| 5059307 | Process for upgrading coal In a process for reducing the sulfur and ash contents of coal, coal is sequentially contacted with fused alkali metal caustic, water, carbonic acid, and a strong acid. Caustic removed from the coal by the water and the carbonic acid is recovered as anhydr... | 10/22/1991 |
| 4966608 | Process for removing pyritic sulfur from bituminous coals A process is provided for removing pyritic sulfur and lowering ash content of bituminous coals by grinding the feed coal, subjecting it to micro-agglomeration with a bridging liquid containing heavy oil, separating the microagglomerates and separating the... | 10/30/1990 |
| 4886522 | Process, for the desulfurization of coal A desulfurization process for coal ore for the removal of both organic and inorganic (pyritic) sulfurs in coal ore comprises a series of steps including the pulverizing of coal ore; mixing coal particulates with separation reagents, a catalyst and a vehic... | 12/12/1989 |
| 4832701 | Process for the regeneration of an additive used to control emissions during the combustion of high sulfur fuel A regenerating process comprises leaching a combustion ash with water so as to dissolve same and form a pregnant leach liquor containing the additive which is separated from the solid residue. The pregnant leach liquor is thereafter adjusted with a base p... | 05/23/1989 |
| 4787918 | Process for producing deep cleaned coal Coal is immersed in an organic solvent for a sufficient time to induce swelling and natural fracture of the coal. The swelled coal is chemically leached to produce deep cleaned coal fines.... | 11/29/1988 |
