Wobo Industrial Equipment Co., Ltd.
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Product Overview
The VPSA CO₂ Recovery System is specifically designed for efficient extraction of CO₂ from low-temperature, high-dust, low-concentration lime kiln flue gas. The system integrates multiple units, including flue gas purification, VPSA enrichment, CO₂ compression, purification, liquefaction, storage, and vaporization, to achieve high-purity CO₂ recovery and stable supply. Advanced technology reduces operational costs, enhances safety, and supports a wide range of industrial applications.
Working Principle
The system uses Vacuum Pressure Swing Adsorption (VPSA) technology to enrich CO₂ via low-pressure adsorption. Deep purification is performed using TSA units to remove water, NOx, and SO₂, preventing corrosion and extending adsorbent lifespan. The enriched CO₂ is then compressed, liquefied at low temperatures, and further purified to achieve ≥99.8% high-purity CO₂. A circulating water system ensures stable production during winter and night operations.
Key Features
- High-efficiency Dust Removal & Cooling: Precision dust removal followed by cooling prevents condenser blockage, ensuring stable operation.
- Deep Purification: TSA units remove moisture, NOx, and SO₂, protecting equipment and prolonging adsorbent life.
- Energy-saving Design: Low-pressure adsorption reduces energy consumption and capital investment; compact layout optimizes footprint.
- High-purity Output: Industrial-grade CO₂ with ≥99.8% purity.
- Low-temperature Liquefaction & Purification: Ensures high CO₂ recovery efficiency and purity.
- Heat Recovery: Non-condensable gas throttling and cold energy recovery further reduce energy consumption.
- Circulating Water System: Maintains stable liquid CO₂ production in winter and during night operations.
Applications
- Metallurgy: CO₂ recovery and reuse from flue gas, reducing greenhouse gas emissions.
- Cement Industry: CO₂ extraction from lime kiln flue gas, meeting production and environmental requirements.
- Chemical Industry: Supplies high-purity CO₂ as feedstock for chemical reactions.
- Agriculture: Greenhouse CO₂ enrichment to improve plant growth.
- Food Processing: Provides food-grade CO₂ for preservation, carbonation, and packaging.
| Scale | Flue Gas Treatment~27,630 Nm³/h |
| Feed Gas | Rotary Kiln Flue Gas(CO₂ content 22–30%) |
| Product CO₂ Purity | Industrial Grade, Purity ≥99.8% |
| Capacity | 60,000 t/a |
| Remarks | Used for steel decarburization |
