Co2 recovery and liquefaction system for biogas upgrading

Maximize methane recovery while producing food-grade liquid CO2 in your biogas operation with a modular system that seamlessly integrates into existing processes, enhancing sustainability and reducing carbon emissions.

Liquefies and Purifies CO2 from Biogas

The Mini CO2 Liquefier from HoSt Group is a modular system designed for biogas plant operators and carbon capture facilities seeking to liquefy and purify CO2. This system leverages CO2 as a natural refrigerant, differentiating it from conventional options like Freon or Ammonia, thus enhancing environmental safety. It efficiently recovers over 99% of CO2, producing food-grade liquid CO2 for varied applications, including horticulture, food, and refrigeration industries. The system supports continuous, containerized operation, accommodating up to 600 kg/hr of CO2 with energy consumption between 0.20-0.22 kWh/kg. Its containerized design ensures seamless integration into existing operations, offering quick, plug-and-play installation. Additionally, it contributes to sustainability goals by utilizing renewable biogas sources and offers ease of maintenance through its automated features.

Benefits

  • Ensures high CO2 purity, meeting food-grade standards for expanded market use.
  • Minimizes environmental impact by using CO2 as a natural refrigerant.
  • Reduces operational costs through efficient energy consumption of 0.20-0.22 kWh/kg.
  • Facilitates quick and easy installation with modular, containerized design.
  • Enhances sustainability by converting biogas emissions into valuable CO2 byproducts.

General


Applications
Bio-co2,Bio-lng,Methane recovery,Biogas upgrading,Refrigeration,Co2 purification,Biogas,Food industry,Bio-cng,Horticulture,Carbon capture
End products
Packaged bio-co2 for horticulture,Purified food-grade co2 containers,Methane extracted from biogas,Bio-lng cylinders,Refrigeration-grade co2,Bio-cng canisters,Bottled liquid co2 for food processing,Food-grade liquid co2
Steps before
Biogas upgrading,Carbon capture
Steps after
CO2 purification,CO2 liquefaction,Food-grade CO2 utilization,Horticulture application,Food industry application,Refrigeration industry application
Input ingredients
biogas,captured CO2
Output ingredients
liquid bio-CO2,food-grade CO2,reduced carbon emissions
Market info
HoSt is known for designing and manufacturing biogas plants, biomass energy systems, and waste-to-energy technologies. They have a strong reputation for sustainable energy solutions and innovation in renewable energy sectors.

Technical Specifications


Capacity
300-6,000 kg/hr
Electrical Consumption
0.20-0.22 kWh/kg of liquid CO2
CO2 Recovery Rate
>99%
CO2 Purity
>99.99% (food-grade)
Cooling Method
CO2 as a refrigerant
Footprint
40 ft. container + reboiler skid,varies with the scale
Modularity
Modular and containerized design
Start-Up
Quick start-up

Operating Characteristics


CO2 Recovery Efficiency
>99%
Electrical Consumption
0.20-0.22 kWh/kg of liquid CO2
Operational Mode
Continuous
Cooling Method
CO2 as Refrigerant
Integration with Biogas Plant
Enhances Methane Recovery
CO2 Purity
>99.99% (Food-grade)

Material Compatibility


Biological compatibility
Food-grade quality
Corrosive resistance (e.g. acids)
High resistance
Density/particle size
Suitable for liquid CO2

Product type Characteristics


Cooling with CO2 as a refrigerant
Yes
End-product
Liquid bioCO2

Physical Characteristics


Machine footprint
40 ft. container + reboiler skid / 45 ft. container + reboiler skid / 40 ft. container + 20 ft. container + reboiler skid / 40 ft. container + 2 x 20 ft. / 40 ft. container + reboiler skid
Container type
Modular and containerized solution
Capacity
300-600 kg/hr / 800-1,200 kg/hr / 1,500-4,000 kg/hr / 4,500-6,000 kg/hr
End-product
Liquid bioCO2