The invention provides methods for extracting energy from organic materials through the production of carbon and water by contacting the organic material with a carbon-oxide gas such as carbon dioxide and/or carbon monoxide at a temperature between about 200 C. and about 600 C. The reactions may be enhanced through the use of microwave irradiation, catalysts and pressure. These methods are helpful in the production of energy while utilizing carbon dioxide and carbon monoxide gases and limiting the landfill of organic materials.
Paul R. Kruesi - Golden CO, US Derek John Fray - Great Shelford, GB
Assignee:
Cato Research Corporation - Golden CO
International Classification:
C22B 9/22
US Classification:
75 1013, 75 1062, 75 1063
Abstract:
Methods of enhancing the segregation roast through the use of microwave radiation and chloride ions are disclosed. The processes provide means of recovering metals trapped in ores and slags by reaction of these materials with carbon, chloride and water using microwave radiation as the primary energy source. The metals may be present in starting materials such as metallic sulfides, slags, metallic oxides such as laterites, magnetites, iron oxides, silicates and carbonates. The metals are reduced and can be recovered by separation from the gangue. Water, carbon and chloride can be recycled to the reaction to reduce costs.
A fuel cell in which carbon and water react to form hydrogen or water. The cells utilize electrolyte materials that hold or coordinate water to allow the useful reaction of carbon and water at moderate temperatures without the use of expensive pressure reactors. Activated carbon or carbon recovered from organic waste is used to fuel these cells to produce hydrogen gas or carbon dioxide and power at moderate temperatures and at very low cost.
Methods Of Recovering And Purifying Secondary Aluminum
The invention provides efficient and effective processes for recovering metals such as aluminum, magnesium and lithium from mixed waste sources such as auto shredder residue, aluminum cans, waste particles of aluminum alloy and municipal waste. The metal-waste source is dissolved in a more noble metal solvent at a temperature at which contaminants do not dissolve. The purified metal is then recovered from the solvent, preferably by electrorefining.
The invention provides a method for the production of hydrogen of high purity suitable for many uses. The hydrogen is produced by the reaction of a carbon-containing compound with water to produce hydrogen and carbon monoxide and the subsequent conversion of at least part of that carbon monoxide to hydrogen and carbon dioxide and the removal of the remaining carbon monoxide to produce pure hydrogen. The hydrogen produced is substantially free of carbon monoxide and carbon dioxide, and is suitable for many applications including use in a fuel cell to produce electricity.
The desulfurization of both inorganic and organic sulfur constituents of coal by treating the coal in a liquid fused salt bath in the presence of chlorine to react the sulfur containing constituents with chlorine to form chlorides and elemental sulfur. The liquid fused salt bath is comprised of the chlorides of ferric iron, alkali metals, alkaline earth metals, ammonia, and zinc.
Ammonium Chloride-Ammonium Hydroxide Strip For The Recovery Of Anhydrous Zinc Chloride
Paul R. Kruesi - Golden CO William H. Kruesi - Golden CO
Assignee:
Cato Research, Inc. - Wheat Ridge CO
International Classification:
C01G 904
US Classification:
423100
Abstract:
Anhydrous zinc chloride is produced from an aqueous feed solution containing zinc chloride from an aqueous feed solution containing zinc chloride. The zinc chloride is extracted onto an organic extractant known to the art such as tributyl phosphate, primary, secondary or tertiary amines, and quaternary amine salts. The loaded extractant is then stripped with aqueous stripping solution containing ammonium chloride and ammonium hydroxide. The zinc ammine chloride formed in this aqueous stripping solution is separated from the stripping solution and can then be heated to form anhydrous zinc chloride and ammonia. This anhydrous zinc chloride is suitable as a feed material to a fused salt electrolysis process for the production of zinc.