# US 11,440,795 B2 · Method for the dehydrogenation of organic molecules > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,440,795 B2 - Document ID: US11440795B2 - Status: Granted - Kind: B2 - Application number: 16/319,778 - Filed: 2017-07-14 - Published: 2021-09-09 - Granted: 2022-09-13 - Earliest claimed: 2016-07-22 - Assignees: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - Applicants: Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung - Inventors: Andreas Hornung; Clemens Schmetterer; Daniela Dommel - Web page: https://patentgrep.com/patent/US11440795B2 ## CPC - B01J 8/42: with fluidised bed subjected to electric current or to radiations {this sub-group includes the fluidised bed subjected to electric or magnetic fields} - C01B 3/0015: Organic compounds, e.g. liquid organic hydrogen carriers [LOHC] or metalorganic compounds; Solutions thereof - B01J 8/0278: {Feeding reactive fluids (for solid material B01J8/0015)} - B01J 8/085: {Feeding reactive fluids (for solid material, see B01J8/0015)} - C01B 3/22: by decomposition of gaseous or liquid organic compounds - Y02E 60/32: Hydrogen storage - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C} - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A process for dehydrogenating organic molecules (OM) and a reaction vessel (RB) suitable for the process for dehydrogenating organic molecules by means of an inductive field (IF), wherein the reaction vessel comprises a device for generating an inductive field and a solid loose material (FLM), and wherein the reaction vessel and its contents are free of platinum, palladium, rhodium, gold, iridium, titanium, tantalum or ruthenium. ## Claims ### Claim 1 A process for dehydrogenating organic molecules (OM), having the following steps: a) feeding the organic molecules (OM) into a reaction vessel (RB), where the reaction vessel i) has been provided with a device for generating an inductive field (IF); and ii) has a susceptor (S) for the inductive field (IF), b) applying an inductive field (IF) and allowing the inductive field (IF) to act on the susceptor (S) and the organic molecules (OM), c) removing hydrogen from the reaction vessel (RB) during and/or after step b), d) removing dehydrogenated organic molecules (DOM) from the reaction vessel (RB) during and/or after step b), wherein the susceptor (S) comprises an active susceptor (AS), the active susceptor (AS) is such that it can couple magnetically to the inductive field (IF), and the reaction vessel is such that the active susceptor (AS) can couple to the inductive field (IF), the susceptor (S) comes into contact with the organic molecules (OM), and the reaction vessel and its contents are free of platinum, palladium, rhodium, gold, iridium, titanium, tantalum and ruthenium. ### Claim 2 (depends on 1) The process of claim 1, wherein the susceptor (S) is a solid loose material (FLM) or a fixed susceptor (RS). ### Claim 3 (depends on 2) The process of claim 2, wherein the fixed susceptor (RS) comprises a catalytic material (KM), or the fixed susceptor (RS) takes the form of a carrier for the catalyst material (KM). ### Claim 4 (depends on 2) The process of claim 2, wherein the solid loose material (FLM) consists of the catalytic material (KM) or has an outer layer (Sch) comprising a catalytic material (KM). ### Claim 5 (depends on 4) The process of claim 4, wherein the elements of the solid loose material (FLM) each have a volume of 0.040 cm3 to 16.75 cm3. ### Claim 6 (depends on 4) The process of claim 4, wherein the elements of the solid loose material (FLM) have an outer layer (Sch) comprising a catalyst material (KM) and having an inner core (IK) comprising at least one phase change material (PCM). ### Claim 7 (depends on 3) The process of claim 3, wherein the catalytic material (KM) is Cr, V, Zn, Co, Mo, W, Ni, Al, Cu, iron, Fe2O3, (CoMoAl)xOy, or alloys of Cu, Zn, Cr, Ni, Mo, or iron. ### Claim 8 (depends on 3) The process of claim 3, wherein the susceptor (S) is a fixed susceptor (RS) comprising a catalytic material (KM) and/or the susceptor (S) is a solid loose material (FLM) consisting of the catalytic material (KM) or has an outer layer (AS) comprising a catalytic material (KM), wherein the susceptor (S) has a roughness of 30 to 200 μm. ### Claim 9 (depends on 1) The process of claim 1, wherein the inductive field (IF) has a frequency of 50 to 600 kHz and/or a current of 4.0 to 20 amperes. ### Claim 10 (depends on 1) The process of claim 1, wherein the process is conducted continuously and the average dwell time of the organic molecules (OM) in step b) is 1.0 to 16 min/g LOHC. ### Claim 11 (depends on 1) The process of claim 1, wherein the organic molecules (OM) are liquid and/or have been dissolved in a solvent. ### Claim 12 (depends on 1) The process of claim 1, wherein the maximum temperature of the organic molecules (OM) within the reaction vessel (RB) is not higher than 400° C. ### Claim 13 A reaction vessel (RB) which: i) has been provided with a device for generating an inductive field (IF); and ii) comprises a solid loose material (FLM), wherein the solid loose material (FLM) is such that it can couple magnetically to the inductive field (IF) and consists of a metal (M) or metal alloy (ML) which can couple magnetically to the inductive field (IF) or has an outer layer (Sch) comprising or consisting of a metal (M) or metal alloy (ML), and the reaction vessel is such that the solid loose material (FLM) can couple to the inductive field (IF), and the reaction vessel has an inlet for supply of organic molecules (OM), the reaction vessel is configured such that the solid loose material (FLM) comes into contact with the organic molecules (OM) after they have been supplied; and wherein the reaction vessel and its contents are free of platinum, palladium, rhodium, gold, iridium, titanium, tantalum, and ruthenium. ### Claim 14 A process for dehydrogenating organic molecules (OM), comprising the following steps: a) feeding the organic molecules (OM) into a reaction vessel (RB), wherein the reaction vessel; i) has been provided with a device for producing an inductive field (IF); and ii) comprises a solid loose material (FLM), b) applying an inductive field (IF) and allowing the inductive field (IF) to act on the solid loose material (FLM) and the organic molecules (OM), c) removing hydrogen from the reaction vessel (RB) during and/or after step b), d) removing dehydrogenated organic molecules (DOM) from the reaction vessel (RB) during and/or after step b), wherein the solid loose material (FLM) is such that it can couple magnetically to the inductive field (IF), and consists of a metal (M) or metal alloy (ML) which can couple magnetically to the inductive field (IF) or has an outer layer (Sch) comprising a metal (M) or metal alloy (ML), and the reaction vessel is such that the solid loose material (FLM) can couple to the inductive field (IF) and the solid loose material (FLM) comes into contact with the organic molecules (OM).