| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 423438000 | From a carbonate | 16 |
| 20080253956 | Process and system for producing commercial quality carbon dioxide from high solids lime mud - The invention features methods and systems for producing commercial quality carbon dioxide (CO | 10-16-2008 |
| 20090208402 | Process and system for producing commercial quality carbon dioxide from fine particle limestone - The invention features methods and systems for producing commercial quality carbon dioxide (CO | 08-20-2009 |
| 20090257941 | Coal/Coke/Heavy Residual Oil Boiler With Sulfur And Carbon Dioxide Capture And Recovery - A pulverized coal/coke (PC) boiler combusts carbon-based fuel with substantially pure oxygen and a flue gas recirculation stream (containing predominately carbon dioxide) at varied ratios to achieve a desired boiler temperature profile while producing captured sulfur, a high purity captured CO | 10-15-2009 |
| 20100034724 | Carbon Dioxide Capture - A method of carbon dioxide capture is disclosed. In a step (a) anhydrous sodium carbonate is separated from a first aqueous solution formed by reacting carbon dioxide and an aqueous solution of sodium hydroxide. In step (b) the anhydrous sodium carbonate is treated by causticization to generate carbon dioxide and sodium hydroxide. The first aqueous solution of step (a) is formed by scrubbing a gas containing carbon dioxide with an aqueous solution of sodium hydroxide. | 02-11-2010 |
| 20120141353 | EFFERVESCENT COMPOSITION FOR IMPROVED CARBON DIOXIDE GENERATION IN INSECT MONITOR DEVICES - The present invention relates to a chemical composition and method of generating carbon dioxide for use with an insect monitor and/or capture device comprising:
| 06-07-2012 |
| 20120141354 | METHODS AND SYSTEMS FOR RECOVERY OF CO2 GAS IN CEMENT-MANUFACTURING FACILITIES, AND PROCESSES FOR MANUFACTURING CEMENT - An object of the present invention is to separate CO | 06-07-2012 |
| 20120164059 | Carbonate Absorption System and Process for Carbon Dioxide Separation - The present invention relates to systems and processes for reducing the amount of carbon dioxide in a carbon dioxide-containing gas. In particular, the carbon dioxide-containing gas is contacted with a carbonate-containing solution. At least a portion of carbon dioxide in the carbon dioxide-containing gas is absorbed in the carbonate-containing solution to produce a carbon dioxide-, carbonate-containing solution. A heat recovery mechanism is employed to recover heat from the carbon dioxide-, bicarbonate-, carbonate-containing solution exiting the chamber to maintain the temperature of the chamber within a range of from about 50° C. to about 90° C. | 06-28-2012 |
| 20130039837 | Method for the Continuous Recovery of Carbon Dioxide from Acidified Seawater - A method for recovering carbon dioxide from acidified seawater using a membrane contactor and passing seawater with a pH less than or equal to 6 over the outside of a hollow fiber membrane tube while applying vacuum or a hydrogen sweep gas to the inside of the hollow fiber membrane tube, wherein up to 92% of the re-equilibrated [CO | 02-14-2013 |
| 20140065054 | MEMBRANE-ENABLED REVERSE LUNG - An air revitalization apparatus and method simultaneously removes carbon dioxide, water vapor, and heat from air and produces oxygen gas, hydrogen gas, and concentrated carbon dioxide gas, does not require an explosion proof enclosure, and includes a fan configured to blow air into a first gas-liquid contactor, an electrochemical cell including first through fourth passages configured to emit hydrogen gas, permit a flow of a carbonate-hydroxide solution, permit a flow of carbonate-bicarbonate solution, and emit oxygen gas, respectively, the first and fourth passages separated by at least three gas-impermeable membranes, and a second gas-liquid contactor, where the first gas-liquid contactor, second passage, and a first pump are configured to circulate the carbonate-hydroxide solution therethrough, where the second gas-liquid contactor, third passage, and a second pump are configured to circulate the carbonate-bicarbonate solution therethrough, and where the output of the first passage is operationally coupled to the second gas-liquid contactor. | 03-06-2014 |
| 20140161708 | CARBON DIOXIDE PRODUCTION - Apparatus for the production of carbon dioxide from limestone includes a nuclear energy source ( | 06-12-2014 |
| 20140356275 | Methods and Systems for Producing a Moisture Swing Sorbent for Carbon Dioxide Capture From Air - Methods and systems for producing a moisture swing sorbent for carbon dioxide capture from air are disclosed. In some embodiments, the methods include the following: providing a heterogeneous ion-exchange material; soaking the material in deionized water; washing the material in hydroxide or carbonate solutions; rinsing the material in deionized water; collecting and titrating residuals of the soaking and the washing steps into a residual solution; measuring an amount of chloride in the residual solution; repeating all of the steps if the amount of chloride measured in the residual solution is greater than zero; and drying the material with either dry nitrogen gas or air free of carbon dioxide and water. | 12-04-2014 |
| 20150056125 | PROCESS AND SYSTEM FOR PRODUCING COMMERCIAL QUALITY CARBON DIOXIDE FROM RECAUSTICIZING PROCESS CALCIUM CARBONATES - The invention features methods and systems for recovering carbon dioxide, for producing commercial quality carbon dioxide (CO | 02-26-2015 |
| 20150098889 | CARBON DIOXIDE ABSORBING COMPOSITION INCLUDING TERTIARY ALKANOLAMINE, AND METHOD AND APPARATUS FOR ABSORBING CARBON DIOXIDE USING THE SAME - This invention relates to a carbon dioxide absorbing composition including a tertiary alkanolamine, and to a method and apparatus for absorbing carbon dioxide using the same, wherein in a process and apparatus for absorbing and recovering carbon dioxide from a gas mixture including carbon dioxide, a solid-phase bicarbonate crystal including high-concentration carbon dioxide is crystallized from a carbon dioxide absorbing composition having absorbed carbon dioxide and is then selectively separated, thereby efficiently recovering and regenerating carbon dioxide. | 04-09-2015 |
| 20150098890 | CARBON DIOXIDE ABSORBING COMPOSITION INCLUDING STERICALLY HINDERED ALKANOLAMINE, AND METHOD AND APPARATUS FOR ABSORBING CARBON DIOXIDE USING THE SAME - This invention relates to a carbon dioxide absorbing composition including a sterically hindered alkanolamine, and to a method and apparatus for absorbing carbon dioxide using the same, wherein in a process and apparatus for absorbing and recovering carbon dioxide from a gas mixture including carbon dioxide, a solid-phase bicarbonate crystal including high-concentration carbon dioxide is crystallized from a carbon dioxide absorbing composition having absorbed carbon dioxide and is then selectively separated, thereby efficiently recovering and regenerating carbon dioxide. | 04-09-2015 |
| 20150139887 | MATERIALS AND PROCESS FOR REVERSIBLE ADSORPTION OF CARBON DIOXIDE - A solid material is disclosed for reversibly adsorbing carbon dioxide. The material comprises a porous carrier material. Deposited on the carrier material is a salt that is capable of reacting with carbon dioxide. Optionally the solid material further contains a particulate, water-insoluble inorganic material. | 05-21-2015 |
| 20160083258 | CO2 CAPTURING CALCINER - A system to calcine crushed carbonate, discharge alkaline oxide, and deliver an enhancing fluid having CO2, comprising: a pressurized insulated calciner having descendingly, a crushed alkaline carbonate feeder, a calciner fluid outlet manifold, a heated sideflow calciner fluid intake manifold, a preheated sideflow calciner fluid outtake manifold, a fluid inlet manifold to recirculate calciner fluid from the outlet manifold, and an alkaline oxide discharger; a pressurizer to repressurize sideflow calciner fluid, connected to intake and outtake manifolds; pressurizers to recirculate calciner outlet fluid to the inlet manifold, pressurize the calciner and deliver enhancing fluid comprising CO2; delivery and combustion systems to form a combustion fluid; a recuperating or regenerating refractory heat exchanger to heat sideflow calciner fluid with combustion fluid connected to the sideflow pressurizer, and fluid outtake and intake manifolds; and a controller operable to control combustion, heat exchange, calciner fluid formation and delivery, carbonate feed and oxide discharge. | 03-24-2016 |
