DKT Energy Technology
National High-tech Enterprise; Sichuan Provincial Enterprise Technology Center; Class B qualification for chemical engineering design; Class A qualification for environmental pollution prevention and control; Pressure pipeline GC1 design qualification
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Carbon Capture and Utilization of Lime Kiln Gas, Flue gas and Fermentation Gas

Carbon Capture and Utilization of Lime Kiln Gas, Flue gas and Fermentation Gas

Carbon Capture and Utilization of Lime Kiln Gas, Flue gas and Fermentation Gas

Information

With the steady progress of China's policies related to reaching peak carbon emissions before 2030 and achieving carbon neutrality by 2060, the demand for Carbon Capture, Utilization and Storage (CCUS) technology of various CO2-containing gas sources in the industrial field has increased significantly. Gas sources rich in carbon dioxide, such as lime kiln gas, flue gas and fermentation gas, are usually at low pressure. DKT has independently developed two technologies for carbon dioxide separation and recovery: the patented technology of recovering low partial pressure carbon dioxide by pressure swing adsorption (PSA), which can purify 8-13 vol% of carbon dioxide in the gas source to over 95% and the carbon dioxide recovery is 70-90%; and the technology of absorbing and separating carbon dioxide by using compound organic amine, that is, using MEA as the main solvent and adding active amine, antioxidant and corrosion inhibitor, has the advantages of high carbon dioxide absorption capacity, low energy consumption for regeneration, basically eliminating the side reaction of oxygen degradation and minimal equipment corrosion. The purity of carbon dioxide gas can reach 99.5% with this technology. Through further purification/liquefaction, industrial- or food-grade carbon dioxide products can be obtained, and carbon capture and utilization can be realized.

 

 

 

Technical features and advantages:

- Advanced and proven technology, simple process flow, and stable and reliable operation;

- High purity and recovery of carbon dioxide;

- Low operation energy consumption, low carbon dioxide separation cost and good economic benefit;

- The plant has a high degree of automation, allowing remote monitoring and unattended operation;

- Large operating load, and strong adaptability to fluctuations in raw gas flow and component content.

 

Application:

- Carbon dioxide separation and recovery from lime kiln gas, flue gas and fermentation gas to realize carbon capture and utilization.

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Sichuan DKT Energy Technology Co., Ltd.
( A subsidiary of Hydrexia (China))

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