Process for producing methanol and hydrogen from methane using liquid reactants
By reacting methane with halogen to produce methanol, and electrolytic decomposition of hydrogen halide to generate hydrogen, the problems of high temperature and high pressure and high CO/CO2 emissions in the prior art are solved, and efficient and environmentally friendly methanol and hydrogen production are achieved.
CN119816480AInactive Publication Date: 2025-04-11TOTALENERGIES SE +1
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Patent Information
- Application Number
- CN202380063698.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2022-07-25
- Filing Date
- 2023-07-24
- Publication Date
- 2025-04-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Technical Problem
The prior art requires high temperature and high pressure when producing methanol, and emits more CO/CO2 and consumes more energy, making it difficult to operate under mild conditions.
Method used
Methane is reacted with halogen to produce methyl halide and hydrogen halide, then reacted with water and catalyst to produce methanol, and hydrogen is generated by electrolysis.
Benefits of technology
The production of methanol and hydrogen under mild conditions is achieved, reducing energy consumption and CO/CO2 emissions, and improving the efficiency and environmental protection of the process.
✦ Generated by Eureka AI based on patent content.
Abstract
The present disclosure provides processes for producing methanol and hydrogen from methane. The process of the present disclosure comprises the steps of: a) providing a gaseous feed stream comprising methane; b) reacting the gaseous feed stream with at least one halogen reactant under reaction conditions effective to produce an effluent stream comprising methyl halide, hydrogen halide, optionally polyhaloalkane, and optionally unreacted methane; c) recovering the effluent stream, d) reacting the recovered effluent stream with water and at least one organic base under reaction conditions effective to produce an aqueous solution of hydrogen halide and a methanol stream, the methanol stream comprising methanol (MeOH) and dimethyl ether (DME) and / or optionally unreacted methane, and the at least one organic base comprising at least one organic base. E) decomposing the aqueous solution of hydrogen halide by electrolysis under conditions effective to produce a gaseous hydrogen stream and a stream comprising halogen reactants.
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