What is a CO2 Vacuum Freeze-Drying Machine?
The R744 (carbon dioxide) refrigerant is used in environmentally friendly, high-performance and large-scale commercial freeze-drying machines, such as the MTFD-R744 series equipment from MATTON Company. Compared with traditional refrigerants, this refrigerant derived from nature helps curb environmental deterioration and significantly improves the refrigeration efficiency.
MATTON MACHINERY: Next-Generation CO2(R-744) Industrial Freeze Dryer
MATTON MACHINERY, a leading freeze dryer manufacturer in China, is pleased to introduce our new generation of best-selling products: the MTFD-R744 freeze dryer with a carbon dioxide refrigeration system. This model retains MATTON’s long-standing freeze dryer chamber design and is equipped with the latest carbon dioxide refrigeration system. The compressor for the refrigeration system can be either BITZER or Maekawa . The heating system remains MATTON’s classic Alfa Lafa plate heat exchanger.
CO2 is a highly dense gas with an exceptional volumetric cooling capacity—approximately 4 to 12 times greater than that of ammonia at low evaporating temperatures (-55°C to 0°C). This allows our freeze dryers to utilize significantly smaller compressors and pipe diameters. The factory-built compressor racks are highly compact and can even be sited outdoors or on a roof, freeing up valuable manufacturing floor space and reducing facility construction costs.
Global-oriented future freeze-drying solutions
The MATTON R744 freeze-drying machine is widely used in the industries of drying health supplements, fruits, vegetables, coffee, milk, and meat. The products dried by this freeze-drying machine have excellent taste, attractive color, and good shape.
The outstanding feature of the MTFD-R744 series is that it can be designed based on a sustainable, compliant, and efficient environmental protection solution to meet the strict regulatory and operational requirements of developed markets, providing uncompromising deep-freezing performance and ensuring the highest sublimation efficiency.
| Parameter | MTFD-240/R744 | MTFD-200/R744 | MTFD-120/R744 |
| Rated maximum water trapping capacity | 3000L | 2000L | 1500L |
| Loading capacity (Kg) | 3200kg | 2300kg | 1600kg |
| Heating area(㎡) | 240.16 ㎡ | 200.1㎡ | 120.15㎡ |
| Heating mode | Double side radiation | ||
| Vacuum working pressure(Pa) | 10-130pa | ||
| Working temperature(℃) | 5℃-95℃ | ||
| Working time (H/batch) | 8-30H | ||
| Installed power: (kw) | 327kw | 315kw | 210kw |
| Refrigerant medium | R744 | ||
Proven Success: Practical Cases in Developed Markets
As the United States enforces the AIM Act and Europe tightens the F-Gas Regulation to phase out high-global warming potential (GWP) synthetic refrigerants, industrial processors require a sustainable, compliant, and highly efficient solution.
Our CO2 freeze-drying architecture has been proven to deliver exceptional ROI, safety, and performance across diverse industrial applications:
Case 1: Large-Scale Matton Freeze drying machine & Processing (Pacific Northwest, USA)
The Challenge: A major processing facility needed to expand operations but wanted to avoid exceeding the 500 lb threshold for ammonia to bypass strict OSHA/EPA regulatory burdens.
Case 2: High-Volume Sustainable Food Production (European Market)
The Challenge: A food manufacturer focusing on premium, sustainable freeze-dried fruits and meals required a system with the lowest possible environmental impact to align with strict EU F-Gas directives.
The Solution: A dedicated CO2 freeze dryer utilizing grade 304 stainless steel chambers and anodized aluminum product trays for optimal heat transfer.
The Result: The system achieved deep freezing temperatures (down to -50°C) with unparalleled efficiency. The system captured compressor discharge heat to power the facility’s hot water needs, drastically lowering overall energy consumption and shrinking the plant’s carbon footprint.
Revolutionize your production and achieve high-return business profits with MATTON MACHINERY
The transition to natural refrigerants is no longer just an environmental goal, but also a regulatory requirement. Partner with MATTON MACHINERY to deploy a COâ‚‚ freeze dryer, protect your employees, reduce your long-term operating costs, and design a complete freeze-drying food factory solution.
Contact our engineering team today for a customized consultation.
