18 patents
Utility
Gasification component coated with chromium coating and method for protecting gasification component by using chromium coating
22 Feb 22
A gasification component for use in a gasification environment includes a metal-based substrate and a coating deposited on the metal-based substrate.
Dalong Zhong, Lawrence Bernard Kool, Boon Hing Tan
Filed: 7 Jun 17
Utility
Separation process and apparatus for light noble gas
23 Nov 20
Process and apparatus for producing helium, neon, or argon product gas using an adsorption separation unit having minimal dead end volumes.
Cory E. Sanderson, Jason Michael Ploeger, Jin Cao, Roger Dean Whitley, Shubhra Jyoti Bhadra
Filed: 17 Jan 19
Utility
Carbon molecular sieve adsorbent
16 Nov 20
Disclosed herein are rapid cycle pressure swing adsorption (PSA) process for separating O2 from N2 and/or Ar.
Roger Dean Whitley, Shubhra Jyoti Bhadra, Erdem Arslan, Yong Cao, Timothy Christopher Golden
Filed: 13 Aug 18
Utility
Alkali-promoted activated alumina adsorbent
12 Oct 20
An adsorbent for removing CO2 from a gas mixture, the adsorbent comprising alumina and a carbonate compound where the carbonate to alumina IR absorbance intensity ratio is reduced by washing the adsorbent with water.
Garret Chi-Ho Lau, Erin Marie Sorensen, Fred William Taylor, Timothy Christopher Golden, Robert Quinn, William Jack Casteel, Jr.
Filed: 26 Aug 19
Utility
Refrigerant recovery in natural gas liquefaction processes
28 Sep 20
Described herein is a method of removing refrigerant from a natural gas liquefaction system in which vaporized mixed refrigerant is withdrawn from the closed-loop refrigeration circuit and introduced into a distillation column so as to be separated into an overhead vapor enriched in methane and a bottoms liquid enriched in heavier components.
Brian Keith Johnston, Gowri Krishnamurthy, Mark Julian Roberts
Filed: 7 Aug 17
Utility
Method and system for cooling a hydrocarbon stream using a gas phase refrigerant
28 Sep 20
Described herein are methods and systems for the liquefaction of a natural gas feed stream using a refrigerant comprising methane.
Gowri Krishnamurthy, Mark Julian Roberts
Filed: 26 Apr 18
Utility
Gasification system and process
21 Sep 20
A gasification system for the oxidation of a carbonaceous feedstock to provide a synthesis gas comprising: a reactor chamber for oxidizing the carbonaceous feedstock; a quench section for holding a bath of liquid coolant; an intermediate section having a reactor outlet opening through which the synthesis gas is conducted from the reactor chamber into the bath of the quench section; at least one layer of refractory bricks arranged on the reactor chamber floor, the lower end section of the refractory bricks enclosing the reactor outlet opening and defining the inner diameter thereof; the intermediate section including a number of halved tubes for liquid coolant arranged onto at least part of the reactor chamber floor on a side thereof opposite to the lower end section of the refractory bricks; and a pump system for circulating the liquid coolant through the halved tubes on the reactor chamber floor.
Sijing Liu, Manfred Heinrich Schmitz-Goeb, Anthony Wolfert, Unai Jauregi, Joachim Ottomar Wolff
Filed: 14 Dec 16
Utility
Bottom stirring tuyere and method for a basic oxygen furnace
21 Sep 20
A method of operating a BOF bottom stir tuyere having an inner nozzle surrounded by an annular nozzle, including during a hot metal pour phase and a blow phase, flowing an inert gas through both nozzles; during a tap phase, initiating a flow of a first reactant through the inner nozzle and a flow of a second reactant through the annular nozzle, and ceasing the flow of inert gas through the nozzles, wherein the first and second reactants includes fuel and oxidant, respectively, or vice-versa, such that a flame forms as the fuel and oxidant exit the tuyere; during a slag splash phase, continuing the flows of fuel and oxidant to maintain the flame; and after ending the slag splash phase and commencement of another hot metal pour phase, initiating a flow of inert gas through both nozzles and ceasing the flows of the first and second reactants.
Gregory J. Buragino, Shailesh Pradeep Gangoli, Anshu Gupta, Anup Vasant Sane, Avishek Guha, Xiaoyi He, Michael David Buzinski, Kyle J. Niemkiewicz, Russell James Hewertson
Filed: 16 Jan 18
Utility
Rapid cycle pressure swing adsorption process and adsorbent laminates for use therein
7 Sep 20
A rapid cycle pressure swing adsorption (RCPSA) air purification process, apparatus, and device for the removal of at least one of water, carbon dioxide, nitrous oxide, and one or more hydrocarbons from a feed air stream prior to cryogenic air separation.
Jinzhong Liu, Wu Li, Timothy Christopher Golden
Filed: 9 Aug 17
Utility
Cooling device for a burner of a gasification reactor
7 Sep 20
A gasification reactor comprises a pressure shell; a reaction zone partly bounded by a tubular membrane wall enclosed by the pressure shell; at least one burner having a burner head, said burner head protruding the membrane wall; at least one cooling device arranged in the membrane wall and enclosing the burner head of at least one burner, the at least one cooling device comprising several concentric rings of increasing diameter, forming a truncated cone shape having a largest diameter opening facing the reaction zone and a smallest diameter opening facing the burner head, each ring being a conduit having an inlet and an outlet for a cooling medium, the smallest diameter opening for the burner head being located between the pressure shell and the membrane wall; the cooling device comprising at least one part-circular outer ring having an interruption.
Alfons Heitmann, Roland Reimesch, Thomas Paul Von Kossak-Glowczewski
Filed: 9 Oct 16
Utility
Integrated nitrogen removal in the production of liquefied natural gas using intermediate feed gas separation
7 Sep 20
A method and apparatus for liquefying a natural gas feed stream and removing nitrogen therefrom to produce a nitrogen-depleted LNG product, in which a natural gas feed stream is fed into the warm end of a main heat exchanger, cooled and at least partially liquefied, withdrawn from an intermediate location of the main heat exchanger and separated to form a nitrogen-enriched natural gas vapor stream and a nitrogen-depleted natural gas liquid stream, the liquid and vapor streams being reintroduced into an intermediate location of the main heat exchanger and further cooled in parallel to form a first LNG stream and a first at least partially liquefied nitrogen-enriched natural gas stream, respectively.
Fei Chen, Yang Liu, Gowri Krishnamurthy, Christopher Michael Ott, Mark Julian Roberts
Filed: 18 Jun 17
Utility
Gasification system and process
31 Aug 20
A gasification system for the partial oxidation of a carbonaceous feedstock to at least provide a synthesis gas, comprising: a reactor chamber for receiving and partially oxidizing the carbonaceous feedstock; a quench chamber below the floor of the reactor chamber for holding a bath of liquid coolant; an intermediate section at said reactor chamber floor, the intermediate section having a reactor outlet opening through which the reactor chamber communicates with the quench chamber to conduct the synthesis gas from the reactor chamber into the bath of the quench chamber; at least one layer of refractory bricks arranged on and supported by the reactor chamber floor, the lower end section of the refractory bricks enclosing the reactor outlet opening and defining the inner diameter thereof; and a dip tube extending from the reactor outlet opening to the bath of the quench chamber, the dip tube having a widened top section.
Manfred Heinrich Schmitz-Goeb, Paul Christian Karzel
Filed: 14 Dec 16
Utility
Multiple pressure mixed refrigerant cooling process
24 Aug 20
Systems and methods described for increasing capacity and efficiency of natural gas liquefaction processes having a mixed refrigerant precooling system with multiple pressure levels comprising cooling the compressed mixed refrigerant stream and separating the cooled compressed mixed refrigerant stream into a vapor and liquid portion.
Gowri Krishnamurthy, Mark Julian Roberts, Adam Adrian Brostow
Filed: 27 Sep 17
Utility
Multi-bed rapid cycle kinetic PSA
17 Aug 20
Disclosed herein are multi-bed rapid cycle pressure swing adsorption (RCPSA) processes for separating O2 from N2 and/or Ar, wherein the process utilizes at least five adsorption beds each comprising a kinetically selective adsorbent for O2 having an O2 adsorption rate (1/s) of at least 0.20 as determined by linear driving force model at 1 atma and 86° F.
Shubhra Jyoti Bhadra, Roger Dean Whitley, Timothy Christopher Golden, Dingjun Wu, Glenn Paul Wagner
Filed: 13 Aug 18
Utility
Methods for depositing Group 13 metal or metalloid nitride films
17 Aug 20
Described herein are methods for forming a Group 13 metal or metalloid nitride film.
Xinjian Lei, Moo-Sung Kim, Sergei Vladimirovich Ivanov
Filed: 13 Jul 16
Utility
Method of operating a furnace
17 Aug 20
A method of operating a furnace having process tubes and multiple burners where it is desired to conform the temperatures of the process tubes to selected target temperature criterion.
Ali Esmaili, Hu Li, Matthew James Labuda, Joshua David Isom
Filed: 24 Apr 18
Utility
Port separation for rotary bed PSA
3 Aug 20
Disclosed herein is a stator plate for a rotary bed PSA apparatus that has an exhaust slot that has first and second sections for receiving blowdown and purge exhaust gas streams, the sections being separated by a flow restriction that restricts but does not full prevent gas flow between the sections, or that has separate exhaust slots for separately receiving the blowdown and purge exhaust gas streams.
Glenn Paul Wagner, Xue Mei Liu, Jinzhong Liu, Roger Dean Whitley, Shubhra Jyoti Bhadra, Michael Jamie McKerrow
Filed: 13 Aug 18
Utility
Gas atmosphere control in laser printing using metallic powders
3 Aug 20
Methods and systems for controlling gas atmospheres in three-dimensional laser printing and weld overlay consolidation operations using metallic powders are provided.
Zbigniew Zurecki, Ranajit Ghosh
Filed: 9 Aug 15
- Prev
- 1
- Next
Patents are sorted by USPTO publication date, most recent first