Despite technical progress, the production of dry ice from liquid CO² is still very ineffective. Only 40-45% of the liquid CO² actually becomes dry ice, the rest evaporates into the atmosphere. This is not only an expensive process for the dry ice producers, but also has a double impact on the environment, as it also leads to more transports by trucks on the road.
We at Pro Trockeneis were on a quest to make the manufacturing process more effective from the start and tried out a recovery plant back in 2011. As the recovery and our production machine were not ideally matched at that time, it was not worthwhile for us to invest in such a machine.
A few years later, however, we dared a second attempt and were immediately enthusiastic. Thanks to the reliquefaction, we were able to reduce our LCO² / dry ice factor from 2.5 to 1.5 and can thus produce a significantly higher proportion of dry ice with the same amount of raw material.
And we are not alone in our enthusiasm. The Aquila Triventek recovery has received TÜV certification in conjunction with our pelletizer.
We have also become a partner of Aquila Triventek in the German market.
Why does a reverory unit makes sense?
The price of CO² continues to rise as the raw material becomes scarcer and CO² taxes increase. This makes saving CO² all the more important in the future. With a recovery, you not only save liquid CO² but also need fewer tank fillings. This relieves your budget and the environment.
Where is CO² lost in normal production and how much CO² is used?
- 10 – 15 % of the liquid CO² already becomes gaseous in the feed line to the pelletizer
- 45 – 55 % are released in gaseous form when the liquid CO² is injected into the pelletizer.
- Approx. 10 % of the dry ice snow sublimes or is otherwise lost
- Approx. 2% CO² is lost when filling and decanting the dry ice
- Only about 40% of the liquid CO² actually becomes dry ice
How much CO² is used with a recover unit?
- Without recovery, only approx. 40% of the CO² is used
- With recovery you can use up to 80% of the liquid CO²
Is a recovery worthwhile for you?
We would be happy to calculate whether a recovery would be profitable for you with your production machines and production volume. You can reach us by phone or fill out the form below and we will get back to you promptly.
Your contact person: Werner Böhm
Tel.: +49 1721 2731251
Contact form revocery unit
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recovery RE 80
| Dimension | 1320 x 1960 x 1570 mm |
| Weight | 1070 kg |
| max. Electricity demand | 41 A |
| Power consumption in operation | 28 A (Required starting amps should be calculated as 5 to 6 times ampere usage.) |
| Operating voltage | 3 x 400/50Hz |
| Mains connection | 32A/3P+N+E |
| Rated current consumption | 12 kW |
recovery RE 160
| Dimension | 2420 x 1370 x 1640 mm |
| Weight | 1350 kg |
| max. Electricity demand | 70 A |
| Power consumption in operation | 28 A (Required starting amps should be calculated as 5 to 6 times ampere usage.) |
| Operating voltage | 3 x 400/50Hz |
| Mains connection | 32A/3P+N+E |
| Rated current consumption | 24 kW |