Carbon Capture and Storage (CCS) is an essential technology in the global effort to reduce greenhouse gas emissions and combat climate change. This process involves capturing carbon dioxide (CO2) emissions from sources like power plants and industrial processes, transporting it to a storage site, and injecting it deep underground into rock formations for long-term isolation from the atmosphere. The successful implementation of CCS technology is critical in enabling industries to operate more sustainably, providing a pathway to achieve net-zero emissions while maintaining energy security and industrial competitiveness. High-pressure CO2 injection pumps play a pivotal role in this process, facilitating the efficient and safe storage of CO2. These pumps are designed to handle the unique properties of CO2, often in its supercritical state or subzero temperature up to -50°C, which are preferred forms for injection and storage. The deployment of CCS technology across various sectors, including power generation, cement production, steelmaking, and chemical industries, represents a significant stride towards mitigating the impact of these industries on the environment, marking a positive step forward in the global transition to cleaner energy sources.

CO2 Injection Pumps

Plunger pumps designed for CO2 injection in Carbon Capture and Storage applications must meet stringent technical and operational requirements to ensure safe, reliable, and efficient performance. First and foremost, these pumps need to be capable of handling the liquified CO2, which presents unique challenges in terms of compressibility, density, and viscosity compared to other fluids. This necessitates the use of robust materials and engineering designs that can withstand the corrosive nature of CO2, especially when impurities are present, and operate efficiently across a range of pressures and temperatures, even subzero. High-pressure pump designs must also incorporate advanced sealing technologies to prevent or limit CO2 leaks, which could undermine the environmental benefits of CCS and pose safety risks.

Another critical requirement is the ability to adjust the flow rate and pressure to manage the varying volumes of CO2 captured from different sources and the dynamic conditions of underground storage sites. This flexibility is crucial for optimizing the injection process and ensuring the long-term integrity of the storage site. Moreover, CO2 injection pumps must be engineered for high reliability and low maintenance to minimize operational downtime and ensure the continuous sequestration of CO2. This includes the integration of monitoring and control systems that can detect and respond to operational anomalies, reducing the risk of pump failure and environmental contamination.

Reciprocating pumps are preferred for CO2 injection owing to their effectiveness in achieving the high pressures essential for the sequestration of CO2 into geological formations. Their design significantly reduces the energy required for gas compression, making them a more efficient choice for the injection process. By leveraging a hybrid approach that combines semi-isothermal compression with a final pressurization step, these pumps optimize the compression pathway, thereby minimizing energy consumption.

Location: Central Asia - Service: liquid CO2 - Pump: PTO series - Capacity: 29 m3/h - Delivery Pressure: 230 bar

Polasnanaft – Central Asia


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Reciprocating pumps

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