Closed-loop marine electrochemical system for adaptive ocean iron fertilization, alkalinity enhancement, and carbon conversion

The closed-loop marine electrochemical system addresses the challenges of precise nutrient release and carbon sequestration in marine environments by using adaptive control algorithms to optimize ferrous iron and alkalinity generation, achieving effective carbon capture and conversion.

WO2026128693A1PCT designated stage Publication Date: 2026-06-18NORTHEASTERN UNIV (US)
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
NORTHEASTERN UNIV (US)
Filing Date
2025-12-11
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Current marine carbon capture and conversion technologies lack precise control over the release of chemical agents like iron for ocean fertilization and alkaline substances for pH enhancement, and struggle with accurate monitoring and verification of carbon sequestration rates.

⚗Method used

A closed-loop marine electrochemical system that includes a tank with electrodes, a power supply, sensors, and a control system for real-time generation and release of ferrous iron and alkalinity, utilizing adaptive and predictive control algorithms to optimize nutrient release and carbon conversion.

🎯Benefits of technology

Enables precise and environmentally friendly carbon sequestration by metering ferrous iron and alkalinity release, enhancing phytoplankton productivity and ocean buffering capacity, while providing real-time monitoring and verification of carbon sequestration performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

An ocean iron fertilization system comprises a first tank having at least one, a first electrode and a second electrode disposed within the first tank, a power supply unit, one or more sensors, and a control system operably coupled to the power supply unit and the one or more valves. The power supply unit applies a current between the first electrode and the second electrode such that the second electrode electrochemically generates ferrous iron. The one or more sensors determine an environmental parameter. The control system obtains the environmental parameter, and operates the power supply unit and the one or more valves responsive to the obtained environmental parameter.
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