Renewable energy source using pressure driven filtration processes and systems
EP4762013A1Pending Publication Date: 2026-06-24IDE WATER TECH LTD
Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- IDE WATER TECH LTD
- Filing Date
- 2024-08-17
- Publication Date
- 2026-06-24
AI Technical Summary
Technical Problem
The production of hydrogen for energy generation is hindered by the lack of a suitable source of water, a renewable energy source, and convenient storage locations.
Method used
A membrane element and system that utilize osmotic and/or gauge pressure driven filtration processes to co-generate hydrogen and purified water, incorporating selectively permeable membranes with integrated anode and cathode electrodes for electrochemical splitting of water.
Benefits of technology
This approach enables efficient production of hydrogen while simultaneously providing purified water, addressing the challenges of water scarcity and renewable energy sourcing, with lower operational and capital costs compared to conventional water electrolysis technologies.
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Smart Images
Figure IB2024058000_27022025_PF_FP_ABST
Abstract
The present invention relates generally to the production of a desalinated, filtrated or other way treated water simultaneously with generation of renewal energy source, in particular hydrogen, using osmotic and / or gauge pressure driven filtration processes and systems. The co-generation of hydrogen 11 from water 8 produced during pressure driven water desalination / filtration processes, such as reverse osmosis, forward osmosis, pressure retarded osmosis or ultrafiltration. A small part of feed, raw saline solution and / or permeate involved in a desalination / filtration processes is subjected to electrolysis thereby splitting the water to produce hydrogen. This is achieved by the provision of novel RO type semi- permeable membranes and UF type membrane that incorporate electrodes 9, 10 within the membrane to allow splitting of the water via electrolysis.
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