Hydrogen Production and Carbon Sequestration in Coal and Natural Gas-Burning Power Plants

This invention proposes a method to capture carbon pollution from power plants that burn coal or natural gas. It uses sodium hydroxide, derived from common salt, to react with carbon dioxide and carbon monoxide in the exhaust, turning them into solid sodium carbonate or bicarbonate for storage. While the full invention aims for zero-emission hydrogen production, the provided claims specifically detail only this carbon capture process.

Why it matters: Since 2009, there has been a dramatic increase in global urgency and investment in carbon capture technologies to combat climate change. Simultaneously, the push for clean hydrogen production as a key energy transition fuel has intensified, making processes that combine both aspects highly relevant.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedChemical reactors, gas scrubbers, industrial electrolysis

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