Sri International

Alstom Technology Limited

Eig, Inc.

Gopala N Krishnan

Angel Sanjurjo

Marc D Hornbostel

Indira S Jayaweera

Kai-Hung Lau

Eli Gal

Palitha Jayaweera

Xiaobing Xie

Lorenza Moro

Otto Morten Bade

Jordi Perez Mariano

Eugene Thiers

Esperanza Alvarez

Anoop Nagar

Srinivas Bhamidi

Kazunori Matsumoto

Carles Colominas

Don L Hildenbrand

Marc Hornbostel

The invention relates to contactors suitable for use, for example, in manufacturing and chemical refinement processes. In an aspect is a hybrid indirect/direct contactor for thermal management of counter-current processes, the contactor comprising a vertical reactor column, an array of interconnected heat transfer tubes within the reactor column, and a plurality of stream path diverters, wherein the tubes and diverters are configured to block all straight-line paths from the top to bottom ends of the reactor column.

Hybrid indirect/direct contactor for thermal management of counter-current processes

Low-cost and energy-efficient COand HS capture is provided obtaining greater than 99.9% capture efficiency from pressurized gas. The acid species are captured in an ammonia solution, which is then regenerated by stripping the absorbed species. The solution can capture as much as 330 grams of COand HS per 1000 gram of water and when regenerated it produces pure pressurized acid gas containing more than 99.7% COand H2S. The absorption of the acid species is accomplished in two absorbers in-series, each having multiple stages. More than 95% of the acid species are captured in the first absorber and the balance is captured in the second absorber to below 10 ppm concentration in the outlet gas. The two absorbers operate at temperatures ranging from 20-70 degrees Celsius. The two absorbers and the main stripper of the alkaline solution operate at similar pressures ranging from 5-200 bara.

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The invention provides methods for producing a strong, light, sorbent-based storage/dispenser system for gases and fuels. The system comprises a porous monolithic material with an adherent strong impervious skin that is capable of storing a gas under pressure in a safe and usable manner.

Monolithic natural gas storage delivery system based on sorbents

The technical field of the invention is COcapture and sequestration, as well as gas separation and purification technologies. In an aspect is a process for capturing purified COfrom a CO-containing gas, comprising steps: (a) contacting in an absorber column the CO-containing gas with an absorption solution comprising water, ammonia, and potassium carbonate, to enable adsorption of CO, thereby producing a CO-depleted gas and a CO-rich solution; and (b) subjecting the CO-rich solution to desorption conditions in a regeneration column producing a purified COgas stream and a CO-depleted solution.

The invention provides methods for preparing an asymmetric hollow fiber, the asymmetric hollow fibers prepared by such methods, and uses of the asymmetric hollow fibers. One method involves passing a polymeric solution through an outer annular orifice of a tube-in-orifice spinneret, passing a bore fluid though an inner tube of the spinneret, dropping the polymeric solution and bore fluid through an atmosphere over a dropping distance, and quenching the polymeric solution and bore fluid in a bath to form an asymmetric hollow fiber.

Process for fabricating PBI hollow fiber asymmetric membranes for gas separation and liquid separation

A method and reactor for removing a component from a gas stream is provided. In one embodiment, the method includes providing the gas stream containing the component that is to be removed and adsorbing the component out of the gas stream as the gas stream rises via microbeads of a sorbent falling down an adsorber section of a reactor.

Falling microbead counter-flow process for separating gas mixtures

In one embodiment, the present disclosure relates generally to a method for thermally decomposing a complex precursor salt. In one embodiment, the method includes heating a salt in a reactor until a molten salt is formed, adding the complex precursor salt to the molten salt in the reactor and removing a volatile precursor halide formed from thermal decomposition of the complex precursor salt from the reactor.

High temperature decomposition of complex precursor salts in a molten salt

The present invention relates generally to production of a fluoride gas and equivalents thereof, and fluorine-doped sodium silicate glass, glass ceramics, vitro ceramics and equivalents thereof. In one embodiment, the method includes providing a salt and an oxide in a reactor, heating the reactor to produce a vapor and the vitro ceramic and removing the vapor.

Method and system for producing fluoride gas and fluorine-doped glass or ceramics

In one embodiment, the present invention relates generally to a multi-stage system for performing melt coalescence and separation, the multi-stage system. In one embodiment, the multi-stage system includes a first container for mixing a powder with a salt, the first container having an opening, a heating means coupled to the first container for heating the first container and a second container coupled to the first container.

Multi-stage system for reaction and melt coalescence and separation

A moving bed reactor system is provided. The system comprises at least one gas inlet, a distributor, a temperature control, a plurality of electrodes, and a spark control circuit. The spark control circuit drives the electrodes and generates a multi-arc discharge when the system is loaded with particles and a gas at approximately atmospheric pressure or greater is being pumped through the system. The multi-arc discharge is useful to create activated species which may improve the rate of a chemical reaction taking place in the moving bed reactor system.

Multiarc discharge moving bed reactor system

A method and system for COcapture from flue gas uses an absorber vessel in which a flue gas stream containing COis contacted with an ammoniated solution to remove COfrom the flue gas, and a regenerator vessel in which COis released from the ammoniated solution. Parasitic energy consumption of the system can be reduced by adding to the ammoniated solution a promoter effective to enhance the formation of ammonium bicarbonate within the ammoniated solution. The amount of ammoniated solution recycled from the regenerator vessel to the absorber vessel is less than that which would be required using the ammoniated solution without the promoter for removal of the same amount of COfrom the flue gas.

A chilled ammonia based COcapture system and method is provided. A promoter is used to help accelerate certain capture reactions that occur substantially coincident to and/or as a result of contacting a chilled ammonia based ionic solution with a gas stream that contains CO.

The present invention is generally directed towards a method for producing a solid metallic composition by reacting a gaseous metal halide with a reducing agent are described. In one embodiment, the method includes reacting a gaseous metal halide with a reducing agent in a manner effective to form a nonsolid reaction product, wherein the metal halide has the formula MX, in which M is a metal selected from a transition metal of the periodic table, aluminum, silicon, boron, and combinations thereof, X is a halogen, i is greater than 0, and the reducing agent is a gaseous reducing agent selected from hydrogen and a compound that releases hydrogen, and combinations thereof; and solidifying the reaction product, thereby forming a metallic composition comprising M that is substantially free from halides. The invention may be used to produce high-purity metallic compositions, particularly titanium particles and alloys thereof for use in powder metallurgy applications.

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Sunnyvale, CA, United States of America

Gopala N Krishnan