| Entries |
| Document | Title | Date |
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| 20100143225 | Integrated Warm Gas Desulfurization and Gas Shift for Cleanup of Gaseous Streams - The present invention involves a catalytic process for purifying a gas stream comprising purifying the gas stream at a temperature from about 250° to 550° C. by removing sulfur compounds and including a gas shift reaction to convert carbon monoxide to carbon dioxide to produce a partially purified gas stream. The warm gas stream purification involves COS hydrolysis and hydrogenation to H | 06-10-2010 |
| 20100150804 | Carbon Dioxide Scrubbing Using Ionic Materials - One aspect of the present invention relates to amine-functionalized task-specific ionic liquids (TSILs). In certain embodiments, the ionic liquids of the invention comprise beta-hydroxy amines, aryl amines or tertiary amines. The TSILs may be used for gas capture, capitalizing on their non-volatile nature. In certain embodiments, the captured gas is selected from the group consisting of CO | 06-17-2010 |
| 20100196233 | APPLICATIONS OF METAL COMPLEX COMPOUNDS - The present invention provides a method for binding gaseous molecules, the method comprising contacting gases comprising the gaseous molecules with trivalent metal complexes. Typically, the gaseous molecules comprise polar molecules of greenhouse gases, especially the oxides of carbon, nitrogen and sulphur. Preferably, the trivalent metal complexes comprise complexes of actinide metals, most preferably uranium. The method is particularly useful in the removal of so-called greenhouse gases from the atmosphere, and is therefore of potentially very great value environmentally. The invention also provides trivalent metal complexes comprising sandwich complexes of trivalent metals selected from transition metals and actinide metals, the complexes comprising two ligands selected from pentalenyl, indenyl, cyclopentadienyl and cyclooctatetraene ligands. The invention further provides a method for the preparation of the trivalent metal complexes. | 08-05-2010 |
| 20110217217 | Nanocomposite Materials Comprising Metal-Organic-Framework Units and Graphite-Based Materials, and Methods of Using Same - The present invention relates to nanocomposite materials comprising: graphite-based material dispersed among transition metal-organic framework (MOF) units, wherein the graphite-based material is chemically linked to MOF units; wherein the graphite-based material is present in the range of about 5 wt. % to about 60 wt. % of the composite material. | 09-08-2011 |
| 20110236281 | METHOD FOR REMOVAL OF HYDROGEN SULFIDE FROM GEOTHERMAL STEAM AND CONDENSATE - A method for scavenging hydrogen sulfide from geothermal steam in a condenser under vacuum. A fine curtain of atomized acrolein-water droplets may be sprayed into geothermal steam condensers in an amount of approximately 2:1 molar ratio of acrolein to H | 09-29-2011 |
| 20110293496 | SYNTHESIS OF TRIAZOLE-BASED AND IMIDAZOLE-BASED ZINC CATALYSTS - Various methods and structures of complexes and molecules are described herein related to a zinc-centered catalyst for removing carbon dioxide from atmospheric or aqueous environments. According to one embodiment, a method for creating a tris(triazolyl)pentaerythritol molecule includes contacting a pentaerythritol molecule with a propargyl halide molecule to create a trialkyne molecule, and contacting the trialkyne molecule with an azide molecule to create the tris(triazolyl)pentaerythritol molecule. In another embodiment, a method for creating a tris(imidazolyl)pentaerythritol molecule includes alkylating an imidazole 2-carbaldehyde molecule to create a monoalkylated aldehyde molecule, reducing the monoalkylated aldehyde molecule to create an alcohol molecule, converting the alcohol molecule to create an alkyl halide molecule using thionyl halide, and reacting the alkyl halide molecule with a pentaerythritol molecule to create a tris(imidazolyl)pentaerythritol molecule. In another embodiment, zinc is bound to the tris(triazolyl)pentaerythritol molecule to create a zinc-centered tris(triazolyl)pentaerythritol catalyst for removing carbon dioxide from atmospheric or aqueous environments. | 12-01-2011 |
| 20110293497 | METHOD OF ENRICHING A GASEOUS EFFLUENT IN ACID GAS - The present invention relates to a method of enriching a gaseous effluent in acid compounds, which comprises the following stages:
| 12-01-2011 |
| 20120128560 | Process and System for Syngas Treatment - A process for the clean-up of a crude syngas stream having widely varying composition and particulate load. The process includes quenching the crude syngas stream with a liquid stream to cool the syngas stream and remove particulates, tars and heavier hydrocarbon compounds. The process further includes co-scrubbing the syngas stream to remove both HCl and NH | 05-24-2012 |
| 20130195744 | PROCESS FOR SEPARATING CO2 FROM A GASEOUS STREAM - Process for separating CO | 08-01-2013 |
| 20130224092 | INHIBITING CORROSION CAUSED BY AQUEOUS ALDEHYDE SOLUTIONS - Aldehydes useful as H | 08-29-2013 |
| 20130259783 | LINKER EXCHANGE IN ZEOLITIC IMIDAZOLATE FRAMEWORKS - A method is provided for replacing at least a portion of the organic linker content of a zeolitic imidazolate framework composition. The method comprises exchanging the organic linker with another organic linker. Also provided is a new material, designated as EMM-19, and a method of using EMM-19 to adsorb gases, such as carbon dioxide. | 10-03-2013 |
| 20130280151 | IONIC LIQUID-FUNCTIONALIZED MESOPOROUS SORBENTS AND THEIR USE IN THE CAPTURE OF POLLUTING GASES - A composite structure for capturing a gaseous electrophilic species, the composite structure comprising mesoporous refractory sorbent particles on which an ionic liquid is covalently attached, wherein said ionic liquid includes an accessible functional group that is capable of binding to said gaseous electrophilic species. In particular embodiments, the mesoporous sorbent particles are contained within refractory hollow fibers. Also described is a method for capturing a gaseous electrophilic species by use of the above-described composite structure, wherein the gaseous electrophilic species is contacted with the composite structure. In particular embodiments thereof, cooling water is passed through the refractory hollow fibers containing the IL-functionalized sorbent particles in order to facilitate capture of the gaseous electrophilic species, and then steam is passed through the refractory hollow fibers to facilitate release of the gaseous electrophilic species such that the composite structure can be re-used to capture additional gas. | 10-24-2013 |
| 20130302233 | PROCESS FOR REMOVING MERCAPTANS FROM A GAS STREAM - The present invention provides a process for removing mercaptans from a gas stream. In the process, a first mercaptan-comprising gas stream comprising at least a mercaptan of the general formula: R | 11-14-2013 |
| 20140112855 | Separation of Components from a Gas Mixture - This invention relates to the separation of components from a gas mixture. Aspects of the invention relate to the separation of components, for example carbon dioxide (CO | 04-24-2014 |
| 20140127102 | METHOD OF RECOVERING CARBON DIOXIDE AND RECOVERY APPARATUS - Change in the amount of an absorbing liquid is detected to restore the original amount, and carbon dioxide is stably recovered from exhaust gas. The carbon dioxide recovery apparatus has: an absorber where a gas contacts with an absorbing liquid that absorbs carbon dioxide contained in the gas; and a regenerator where the absorbing liquid after absorption is heated to release carbon dioxide and is regenerated. Water vapor in the carbon dioxide-containing recovery gas, discharged from the regenerator, is condensed by recovery equipment, and the condensed water is supplied at a fixed flow rate to the regenerator. A liquid level meter detects the liquid level changing with quantity fluctuations of the absorbing liquid. If the liquid level is lowered, a restoration system restores the original liquid level, using the condensed water. The condensed water sufficient for restoring the liquid level is supplied near the liquid level meter. | 05-08-2014 |
| 20140255282 | System and Method for Scrubbing Contaminated Gas with a Glycerol Solution - Both a system and a method for scrubbing a contaminated gas stream with a glycerol solution are disclosed. The system includes a contaminated gas stream in need of purification, along with a column which receives the contaminated gas stream. A glycerol solution is also received by the column and is used to scrub the contaminated gas stream in the column. The glycerol solution is used to reduce at least three contaminants from the gas stream, and includes greater than 50% glycerol and less than 98% glycerol. In one embodiment, the glycerol solution includes between 0.5% to 10% salts, wherein the salts are sodium based, potassium based or a combination thereof. The salts act catalytically to convert glycerol and carbon dioxide to glycerol carbonate. | 09-11-2014 |
| 20140271434 | Capture and Release of Carbon Dioxide - Carbon dioxide capture and release includes contacting a gas comprising carbon dioxide with a mixture comprising a precursor and a solvent and reducing the precursor to form a capture agent. The capture agent is reacted with the carbon dioxide to form a non-volatile species containing carbon dioxide. The non-volatile species is oxidized to regenerate the precursor and to release carbon dioxide. The mixture may be formed by combining the precursor and the solvent. | 09-18-2014 |
| 20140294708 | PROCESS FOR REMOVING MERCAPTANS FROM A GAS STREAM - The present invention provides a process for removing mercaptans from a gas stream gas stream, comprising the steps: a) providing a first mercaptan-comprising gas stream comprising at least a mercaptan of the general formula: R | 10-02-2014 |
| 20150093313 | IONIC LIQUID AND SOLVENT MIXTURES FOR HYDROGEN SULFIDE REMOVAL - The invention comprises a process for removal of hydrogen sulfide from gaseous mixtures. The process involves the use of a mixture of a physical absorption solvent and an ionic liquid. The mixtures provided improved absorption of hydrogen sulfide, when compared to physical absorption solvents without the ionic liquid at low partial pressures of hydrogen sulfide. A regeneration cycle involving the addition of a solvent, such as water, is used to regenerate the mixture. | 04-02-2015 |
| 20150314235 | CARBON DIOXIDE SCRUBBING PROCESS - A cyclic process for separating CO | 11-05-2015 |
