Recovery Units

Dry Ice is normally produced by bringing liquid CO2 up to atmospheric pressure. When this happens approximately half of the liquid CO2 turns into solid 'snow', which is typically compressed to ice, and the other half (called 'revert' gas) is simply vented to the atmosphere. But, by using revolutionary Aquila Triventek Recovery Units, all of the revert gas is collected, chilled and compressed to liquid CO2 and sent back to the Pelletizer.

This, low capital cost, patented development greatly exceeds the efficiency of even the very largest, big capital, recovery plants that utilise old technology.
Furthermore, the energy cost is halved in comparison to traditional methods. The liquid CO2 storage vessel can be smaller, or deliveries can be made even less frequently, since a system with recovery will use approximately half the quantity of liquid CO2 than a non-recovery unit assisted Pelletizer would.

Using Aquila Triventek Recovery Units will reduce production costs by approximately 50% and rapidly increase operating margins and profits. In this way it makes 'dry ice on tap' affordable for even the more modest volume user.

Ask us for an illustration of the economic benefits in your circumstances.

The reduction in ongoing costs is so powerful that multisystem installation is profitable for larger dry ice volume requirements, since the capital cost is rapidly paid back out of revenue cost savings.

Aquila Triventek Recovery Units are simple to install, operator friendly, and are activated with one simple switch.


Technical Data: 
Power Supply:3x400/50Hz (Other voltages/Hz on request)
Power consumption:24 kW
Max. current:41 Amps
Operation current:28 Amps (Required start-up Amps should be calculated as 5 to 6 times Amp usage.)
Power connection:63A/3P+E
Dimensions (WxDxH):1320x1960x1570 mm
Weight:1070 kg
Max ambient temperature:40°C
Max. hose length between PE80 and RE80:6m.
Airflow:Approximately 8500m3/h
Total heat rejection:18 kW
Protection against recycling discharge air required
Protection against direct sun, rain and snow
Protection against dust, dirt and impurities
LCO2 to dry ice conversion with recovery unit: 1.2:1 (use insulated cover on dry ice box)
Oil type: Castrol Cygnus PAO 68
CO2 monitoring

Cooling System: 
Bitzer LH104/4TCS8.2Y
Refrigerant type R404A
Refrigerant charge approx. 9.9 kg
High and low pressure protection
Fanspeed control (1 fan)
Refrigerant safety valve
Technical Data: 
Power Supply:3x400/50Hz (Other voltages/Hz on request)
Power consumption:35 kW
Max. current:70 Amps
Operation current:28 Amps (Required start-up Amps should be calculated as 5 to 6 times Amp usage.)
Power connection:63A/3P+E
Dimensions (WxDxH):2420x1370x1640 mm
Max ambient temperature:40°C
Max. hose length between PE80 and RE160:8m.
Airflow:Approximately 20,000m3/h
Total heat rejection:26 kW
Protection against recycling discharge air required
Protection against direct sun, rain and snow
Protection against dust, dirt and impurities
LCO2 to dry ice conversion with recovery unit: 1.2:1 (use insulated cover on dry ice box)
Oil type: Anderol FG-XL 68
CO2 manometers

Cooling System: 
Bitzer LH104/4TCS8.2Y
Refrigerant type R404A
Refrigerant charge approx. 9.9 kg
High and low pressure protection
Fanspeed control (4 fans)
Refrigerant safety valve

UNI models are compatible with Pelletizers made by other brands.

Technical Data: 
Power Supply:3x400/50Hz (Other voltages/Hz on request)
Nominal Power consumption:24 kW / 35 kW
Effective Power consumption:12 kWh / 25 kWh
Operation current:28 Amps
Power connection:32A/3P+N+E / 63A/3P+E
Max ambient temperature:40°C
Dimensions (LxWxH):RE80: 1960 x 1320 x 1570 mm
 RE160: 2420 x 1370 x 1640 mm
Weight:1070kg (RE80) / 1350kg (RE160)
Blitzer air-cooled condensing unit
Refrigerant type:R404A

Features & Advantages:

  • Robust construction and compact design
  • Minimal footprint
  • Higher cooling capacity with reduced power consumption
  • Compatible with mose pelletizer brands
  • Extremely easy and user friendly
  • Low maintenance costs
  • Makes your pelletizer run better
  • Does not affect the existing tank installation
  • Makes DRY ICE production greener
  • Drastic reduction of CO2 emissions
  • Makes DRY ICE production more cost effective


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