Carbon Dioxide Removal Solution

Industry Pain Points

  • High Energy Consumption and High Costs: The energy consumption of traditional amine-based carbon capture reaches 0.8-1.2 kWh/Nm³ CO₂, with a treatment cost as high as 300-500 RMB/ton. This accounts for over 40% of the total cost of CCUS (Carbon Capture, Utilization, and Storage) projects.
  • Equipment Corrosion and Solvent Degradation: Amine solutions such as MEA degrade at a rate of 1.5-3% per month under oxygen-containing conditions, increasing the risk of equipment corrosion and perforation. The annual maintenance cost for a 100,000-ton-scale unit exceeds 2 million RMB.
  • Difficulty in Capturing Low-Concentration CO₂: When the CO₂ concentration in flue gas is <15%, the efficiency of traditional adsorbents drops sharply by 50%. In biogas purification (30-45% CO₂), the methane loss rate is as high as 8%.
  • Secondary Environmental Pollution: Volatilization of amine solutions produces VOCs (such as nitrosamines), with emission concentrations 5-10 times higher than the limit specified in GB 31571.

SYSTEM OVERVIEW

Yipu CO₂ Removal System adopts the technology chain of “low-energy solvent – solar regeneration – intelligent control” to achieve:

  • Cost Disruption: The capture cost is reduced to 150 RMB/ton CO₂ (compared to over 300 RMB for traditional amine methods).
  • Long-Term Stability: The designed service life of key equipment is 20 years, with an availability rate of ≥98%.
  • Zero-Carbon Operation: Photovoltaic drive enables the system to achieve carbon-negative emissions throughout its life cycle.

Technology Evolution

  • Launched a marine exhaust gas treatment version in 2024, suitable for 3.5% low-concentration marine exhaust gas.
  • This solution is a strategic equipment for thermal power, iron and steel, and other industries to achieve carbon neutrality goals and increase the value of carbon assets.

Solution Approach

Yipu Carbon Dioxide Removal Solution

ModuleTechnical SolutionPerformance Parameters
Pre-Treatment SystemVenturi scrubbing + alkaline absorptionOutlet SOx/NOx ≤ 1ppm, dust ≤ 1mg/m³
Absorption TowerCeramic Intalox saddle packing, Cl⁻ corrosion resistanceCO₂ removal rate ≥ 99.5%, pressure drop ≤ 3kPa
Solvent Regeneration TowerNano-coating anti-corrosion, integrated with solar vacuum tube heat collectionRegeneration energy consumption ≤ 0.5 kWh/Nm³ CO₂
VOCs ControlCondensation + activated carbon adsorptionEmission ≤ 5mg/m³ (1/10 of GB 31570 limit)
Intelligent ControlLaser CO₂ analyzer + digital twin optimizationSolvent consumption ≤ 0.1kg/ton CO₂

Applicable Scenarios

  • Flue gas from coal-fired power plants (12-15% CO₂)
  • Biogas/landfill gas purification (30-45% CO₂)
  • Exhaust gas from iron and steel/cement plants (18-25% CO₂)
  • Direct Air Capture (DAC, 400ppm CO₂)

Technical Principles

Yipu Three-Stage Low-Carbon Decarbonization Process

  1. Pre-Treatment Enhancement (Stage 1): A cyclonic dust removal – chemical scrubbing tower removes 99% of dust, SOx, and NOx (to <1ppm) to protect subsequent systems.
  2. Efficient Absorption (Stage 2): New low-energy solvent (NE-7):
    • Absorption capacity reaches 2.5mol CO₂/mol amine (compared to only 0.5 for MEA)
    • Regeneration temperature is reduced to 90℃ (120℃ for traditional methods), cutting energy consumption by 40%
  3. Green Regeneration (Stage 3): Solar heat collection + waste heat steam drive the regeneration tower, saving 100% more energy than electric heating.
  4. Intelligent Optimization: AI algorithms dynamically adjust solvent circulation volume to adapt to 5-30% CO₂ concentration fluctuations.

CORE ADVANTAGE

Advantage CategoryDescription
Customized on DemandMeets special working conditions; provides professional non-standard customization
Low CostAdopts cyclic regeneration process; significantly reduces usage costs
High StabilityDouble-tower structure with small pressure fluctuation; low noise and continuous gas supply
Fully Automatic OperationEasy to operate, reducing labor input; improves efficiency
High SafetyPresets multi-level safety protection measures; supports automatic alarm
Low Failure RateMaintains low failure rate after 10,000 hours of operation; nearly maintenance-free durability

TECHNICAL STRENGTH

Leading Adsorption Dehydration Technology

  • Uses high-performance molecular sieve adsorbents with high water absorption capacity and resistance to acidic gas (H₂S/CO₂) corrosion, ensuring deep dehydration with a dew point ≤ -70℃.
  • Features an original hot nitrogen regeneration process, reducing energy consumption by 30% compared to traditional electric heating regeneration, and integrates a waste heat recovery system to significantly improve energy efficiency.

Modular and Customized Design Capability

  • Core equipment adopts modular prefabrication, supporting rapid deployment (installation cycle shortened by 50%) and adapting to diverse scenarios such as offshore platforms, onshore gas fields, and LNG pre-treatment.
  • Can customize single-tower, double-tower, or multi-tower parallel systems according to customer needs, with a treatment capacity ranging from 10,000 to 1,000,000 Nm³/d, flexibly matching gas fields of different scales.

Intelligent Control and Remote Operation & Maintenance

  • Equipped with a PLC+IoT intelligent control system to monitor key parameters such as pressure, temperature, and dew point in real time, supporting fault early warning and automatic adjustment.
  • Optimizes the adsorption-regeneration cycle through cloud-based big data analysis, extending the service life of molecular sieves and reducing operation and maintenance costs by 10%-15%.

Energy-Saving and Environmental Protection Technology

  • Features zero-emission design for regenerated tail gas, complying with EU CE, US EPA, and other environmental standards.
  • Energy consumption is 25%-40% lower than that of traditional Triethylene Glycol (TEG) dehydration systems, helping customers achieve carbon emission reduction goals.

Long-Cycle Operation Reliability

  • Molecular sieves adopt anti-pulverization coating technology, with a service life of over 5 years, reducing replacement frequency.
  • Key components (such as valves and instruments) are selected from international first-tier brands (e.g., Siemens, Emerson), with a Mean Time Between Failures (MTBF) of over 100,000 hours.

Strong R&D and Engineering Experience

  • Possesses 19+ patents for dehydration technology and software copyrights; the R&D team is led by doctors and cooperates in-depth with universities and colleges.
  • Has over 1,000 successful cases worldwide, covering extreme working conditions such as high-sulfur gas fields in the Middle East and low-temperature environments in the Arctic.

Product Advantage Comparison

IndicatorYipu SystemTraditional Amine MethodCompetitor PSAMembrane Separation Method
Removal Rate≥99.5% (12% CO₂ inlet concentration)≥90%80-90% (8% CH₄ loss)50-70%
Energy Consumption0.3 kWh/Nm³ CO₂0.9 kWh/Nm³ CO₂0.4 kWh/Nm³ CO₂0.25 kWh/Nm³ CO₂
Solvent Consumption0.1kg/ton CO₂ (10-year service life)1.5kg/ton CO₂ (annual replacement)Not applicableNot applicable
Methane Recovery Rate≥99.9%Not applicable≤92%≤85%
Investment Payback Period3.5 years (carbon price 200 RMB/ton)6.8 years4.2 years5.5 years

Typical Case

Project Name: Carbon Capture Project for a 300MW Coal-Fired Power Plant

Working Conditions

  • Flue Gas Volume: 500,000 Nm³/h, CO₂ concentration 14%
  • Requirements: Capture rate ≥90%, CO₂ purity ≥99.5%

Results

  • CO₂ capture rate of 99.7%, purity of 99.8%
  • No solvent replenishment required after 3 years of operation

Economic Benefits

  • Annual CO₂ capture of 300,000 tons, with carbon trading revenue of 60 million RMB
  • Annual savings of 15 million RMB in amine solution costs and maintenance fees