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CO₂ Revert Recovery System

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CO₂ Revert Recovery System

CO₂ REVERT RECOVERY SYSTEM of Victex Co., Ltd. captures CO₂ gas discarded during dry ice production, re-liquefies, and puts it back into the dry ice production process, thereby significantly reducing dry ice manufacturing costs.

The raw material of dry ice is LCO₂ (liquid carbon dioxide).

During the dry ice manufacturing process, more than 60% is released into the atmosphere.
CO₂ released into the atmosphere is recaptured, compressed and frozen to produce liquid carbon dioxide, and it is then put back into the dry ice manufacturing process, significantly reducing dry ice production costs.
Victex designs, manufactures, and supplies optimal recovery systems to meet customer needs, from small-capacity modular CO₂ recovery systems to mid- to large-capacity packaged unit-type CO₂ recovery systems.

Difference in LCO₂ consumption

Difference in LCO₂ usage Monthly production Production rate LCO₂ consumption Energy reduction rate
(Compared to not using the recovery system)
CO₂ recovery system not used 720 ton 2.5 : 1 1,800 ton -
Pellet compression block maker (CO₂ recovery system used) 720 ton 1.7 : 1 1,224 ton 32% reduced
Victex nugget maker (using CO₂ recovery system) 720 ton 1.2 : 1 864 ton 52% reduced

By re-capturing and liquefying carbon dioxide (CO₂) leaked during dry ice production using the CO₂ recovery system, it is possible to reduce LCO₂ usage and production cost by up to 52% or more.
* Based on dry ice production: 1 ton / 1 unit per hour, 24 hours (days), 30 days (months) operating conditions

Modular unit (small facility)

Easy maintenance and installation due to miniaturization and simplified structure

  • Reduction of energy required for CO₂ liquefaction by using a plate heat exchanger with high heat transfer efficiency
  • Using CO₂ Air Cooler and air-cooled refrigerant condenser
  • Prevent excessive temperature and pressure rise by using multi-stage CO₂ compressor and chiller
  • Improving compressor efficiency by using a suction line accumulator with a heat exchange function in a refrigeration unit
  • It is possible to increase capacity through parallel connection and does not require complicated cooling water piping, so it is optimized for small-scale dry ice production or large-scale hydrogen production bases.
Specifications MRU-150K MRU-300K MRU-500K
Standard CO₂ liquefaction capacity 150kg / h 300kg / h 500kg / h
Electrical specifications (V × Hz × Ph) 380V / 60Hz / 3 380V / 60Hz / 3 380V / 60Hz / 3
Power 30Kw 37Kw 55kW
Size (L × W × H / mm)/td> 2000 × 1350 × 1600 2420 × 1400 × 1650 2600 × 1450 × 2160
Weight about 1,070kg about 1,350kg about 1,800kg
Refrigerant R404A R404A R507A / NH3
Oil Type PAO / ISO VG68 PAO / ISO VG68 PAO / ISO VG68
CO₂ temperature (℃) -65 ~ 40 (BOG)
/ -20(LCO₂)		 -65 ~ 40 (BOG)
/ -20 (LCO₂)		 -65 ~ 40 (BOG)
/ -20 (LCO₂)

Package unit (medium-large equipment)

  1. CO₂ Compressor
  2. CO₂ freezer
  • Condensate requires a separate cooling facility
  • Possible to supply package units with CO₂ liquefaction capacity optimized for site conditions
Specifications IRU-500K IRU-750K IRU-1000K IRU-1500K
Standard CO₂ liquefaction capacity (kg/h) 500 750 1,000 1,500
Electrical specifications (V × Hz × Ph) 380V / 50~60Hz / 3 380V / 50~60Hz / 3 380V / 50~60Hz / 3 380V / 50~60Hz / 3
Power (Compressor / Refrigerator) 55Kw / 45Kw 75kw / 75kw 90kw / 95kw 132kw / 132kw
Size (L × W × H / mm)
(Compressor / Refrigerator)		 5,000 × 2,950 × 3,000
/ 4,100 × 2,700 × 3,000		 5,000 × 2,950 × 3,000
/ 4,500 × 2,700 × 2,900		 5,000 × 3,100 × 3,000
/ 4,500 × 2,800 × 2,890		 5,000 × 3,400 × 3,000
/ 4,800 × 3,000 × 3,000
Weight (compressor / freezer) about 7,000kg / 6,900kg about 9,500kg / 9,000kg about 11,000kg / 10,000kg about13,000kg / 10,000kg
Cooling water required
(Compressor / Refrigerator)		 20㎥/h / 5㎥/h 35㎥/h / 7.5㎥/h 50㎥/h / 10㎥/h 70㎥ / h / 15㎥/h
Refrigerant R507A / NH3 R507A / NH3 R507A / NH3 R507A / NH3
Oil Type PAO / ISO VG68 PAO / ISO VG68 PAO / ISO VG68 PAO / ISO VG68
CO₂ temperature (℃) -65 ~ 40 (BOG )
/ -20 (LCO₂)		 -65 ~ 40 (BOG )
/ -20 (LCO₂)		 -65 ~ 40 (BOG )
/ -20 (LCO₂)		 -65 ~ 40 (BOG)
/ -20 (LCO₂)

Applied workplace

  1. Yongin C Company CO₂ Revert Recovery System
    (Introduced in June 2021)
  2. Gimpo K Company CO₂ Revert Recovery System
    (Introduced in July 2022)
  • Victex CEO: Choi Jin-heung
  • Business registration number: 215-81-86837 63, Jeongseojin 8-ro, Seo-gu, Incheon (Oryu-dong)

COPYRIGHT ⓒ 2023 Victex Co., Ltd. ALL RIGHTS RESERVED.