Separating carbon dioxide from exhaust gas of power plant, preferably post-combustion power plant, involves removing water from exhaust gas before separation of carbon dioxide by using membrane

Simple SummaryContent extracted from patent full text and abstract with AI.

This invention describes a method for efficiently separating carbon dioxide (CO2) from the exhaust gases of power plants, especially after combustion, by first removing water from the exhaust gas using a polymer membrane. The drier exhaust gas then passes through another membrane to separate the CO2. This process can be applied to existing steam power plants by adding a specialized CO2 removal unit.

Use CasesContent extracted from patent full text and abstract with AI.

• Capturing CO2 emissions from coal-fired or gas-fired power plants to reduce greenhouse gas emissions.
• Retrofitting existing power plants with post-combustion CO2 capture technology.
• Industrial processes where large amounts of CO2 are produced in exhaust gases (e.g., steel manufacturing, cement plants).
• Providing purified CO2 for reuse in industrial applications or for sequestration.

BenefitsContent extracted from patent full text and abstract with AI.

• Improves the efficiency of CO2 separation by removing water beforehand, which can otherwise hinder membrane performance.
• Enables retrofitting of conventional power plants with minimal disruption.
• Reduces environmental impact by capturing greenhouse gases before they are released into the atmosphere.
• Utilizes membrane technology, which can be energy-efficient and potentially more cost-effective than traditional methods.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

Carbon dioxide separation involves removing water from the exhaust gas (3) before separation of carbon dioxide by using membrane. The membrane is a polymer membrane. Carbon dioxide is separated by using another membrane. An independent claim is also included for a post-combustion power plant, which comprises a conventional steam power plant and a unit for removing carbon dioxide from the exhaust gas of the power plant.