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1. WO2020141246 - METHOD FOR SEPARATING GASES IN AN OXY-FUEL COMBUSTION PROCESS BY USING OXYGEN-PERMEABLE MEMBRANES

Publication Number WO/2020/141246
Publication Date 09.07.2020
International Application No. PCT/ES2019/070902
International Filing Date 30.12.2019
IPC
F02C 3/20 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
3Gas-turbine plants characterised by the use of combustion products as the working fluid
20using a special fuel, oxidant, or dilution fluid to generate the combustion products
B01D 53/22 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
22by diffusion
C01B 3/34 2006.1
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
3Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
02Production of hydrogen or of gaseous mixtures containing hydrogen
32by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
34by reaction of hydrocarbons with gasifying agents
F23L 7/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
7Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
CPC
B01D 53/228
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,
22by diffusion
228characterised by specific membranes
C01B 3/34
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
3Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it
02Production of hydrogen or of gaseous mixtures containing ; a substantial proportion of; hydrogen
32by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
34by reaction of hydrocarbons with gasifying agents
F02C 3/20
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
3Gas-turbine plants characterised by the use of combustion products as the working fluid
20using a special fuel, oxidant, or dilution fluid to generate the combustion products
F23L 7/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL 
7Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
Y02E 20/34
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
20Combustion technologies with mitigation potential
34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Applicants
  • KERIONICS, S.L. [ES]/[ES]
Inventors
  • SERRA ALFARO, José Manuel
  • HERRÁIZ CARDONA, Isaac
  • CATALÁN MARTÍNEZ, David
Agents
  • CUETO PRIEDE, Sénida
Priority Data
P20183130731.12.2018ES
Publication Language Spanish (ES)
Filing Language Spanish (ES)
Designated States
Title
(EN) METHOD FOR SEPARATING GASES IN AN OXY-FUEL COMBUSTION PROCESS BY USING OXYGEN-PERMEABLE MEMBRANES
(ES) PROCEDIMIENTO DE SEPARACIÓN DE GASES EN UN PROCESO DE OXICOMBUSTIÓN MEDIANTE EL USO DE MEMBRANAS PERMEABLES DE OXÍGENO
(FR) PROCESSUS DE SÉPARATION DE GAZ DANS UN PROCÉDÉ D'OXYCOMBUSTION AU MOYEN DE MEMBRANES PERMÉABLES D'OXYGÈNE
Abstract
(EN)
The invention relates to a method for separating gases which comprises: a first step in which a gas fuel stream comprising combustible substances that produce gas products when oxidised, and an oxygen-rich inlet stream are passed through at least two modules of oxygen-separating ceramic membranes, such that the two streams come into contact through the membranes and exchange heat; a second step of selective diffusion of oxygen from the oxygen-rich stream to the fuel stream, such that the outlet streams from the membrane modules are an oxygen-depleted or completely oxygen-free stream and a partially or completely oxidised stream; and a third step of recovery of at least two separate outlet streams of at least two gases selected from oxygen, nitrogen, carbon dioxide and hydrogen.
(ES)
Procedimiento para separar gases que comprende: - una primera etapa en la que se pasa una corriente de combustible en fase gaseosa, que comprende sustancias combustibles cuya oxidación da lugar a productos gaseosos, y una corriente de entrada rica en oxígeno a través de al menos dos módulos de membranas cerámicas de separación de oxígeno, de modo que las dos corrientes entran en contacto a través de las membranas y tiene lugar un intercambio de calor entre ellas, - una segunda etapa de difusión selectiva de oxígeno de la corriente rica en oxígeno, hacia la corriente de combustible, y tal que las corrientes de salida de los módulos de membrana son, una corriente empobrecida en oxígeno o completamente libre de oxígeno y una corriente parcialmente oxidada o completamente oxidada. - una tercera etapa de recuperación de al menos dos corrientes separadas de salida, de al menos dos gases seleccionados entre oxígeno, nitrógeno, dióxido de carbono e hidrógeno.
(FR)
L'invention concerne un processus de séparation de gaz qui comprend: - une première étape au cours de laquelle un courant de combustible passe en phase gazeuse, qui comprend des substances combustibles dont l'oxydation donne lieu à des produits gazeux, et un courant d'entrée riche en oxygène à travers au moins deux modules de membranes en céramique de séparation d'oxygène, de manière que les deux courants entrent en contact à travers les membranes et qu'un échange de chaleur ait lieu entre eux, - une deuxième étape de diffusion sélective d'oxygène du courant riche en oxygène, vers le courant de combustible, et de manière que les courants de sortie des modules de membrane soient, un courant appauvri en oxygène ou totalement dépourvu d'oxygène et un courant partiellement oxydé ou complètement oxydé. - une troisième étape de récupération d'au moins deux courants séparés de sortie, d'au moins deux gaz sélectionnés entre l'oxygène, l'azote, le dioxyde de carbone et l'hydrogène.
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