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The environmental impact of traditional dry ice

HydroFreezeWe are very proud of our HydroFreeze and HydroFreeze+ ice packs as they are such a good alternative to dry ice, however you may not understand the full reasons why we are so keen to ensure that these take prominence in our ice pack range.

We have discussed before the implications of using dry ice, for the sender, the shipping company and the end recipient. It can cause chemical dry ice burns, it needs to be handled and discarded correctly, and using it can also prove costly as it requires specialist shipping considerations. Carriers do tend to pass this cost down to the sender. One thing that also needs to be considered are the environmental implications of using dry ice.

Source: https://hydropac.co.uk/hydrofreeze-icepacks-v-dry-ice-for-shipping/

Dry ice and the environment

Dry ice itself is not toxic and not harmful overly to the environment in everyday life.  That said, it does still have an impact on the environment in its creation and subsequent disposal, which is why it must be handled – and disposed of – correctly.

What is “Dry Ice?”

“Dry ice” is actually solidified carbon dioxide. It is created by liquefying carbon dioxide; this is then injected into a holding tank and frozen at an extremely low temperature of –78°C / 109°F. it is then compressed into solid ice and cut into desired shapes, such as large blocks or pellets.

Custom chilled solutions for you

Hydropac offers every customer a customized solution for chilled and conditioned shipping. For example, we help a customer with limited freezing capacity to deliver gel packs frozen and ready to use, and we can manufacture almost all shapes and sizes of cooling elements. As a customer, you come first: we are here to help you.

The creation and subsequent storing process of dry ice demands a lot of energy, and the majority of commercial freezing units will rely on traditional power sources and the main electricity grid to keep dry ice frozen until it is needed. This energy production and usage has knock on effects on the environment, including but not limited to:

  • Land use for power lines, power generation, fuel production and transmission.
  • Thermal pollution into water, where water is introduced that is hotter than the original temp of the body of water it is going into.
  • Water usage to produce steam and cooling facilities.
  • Air pollutants and emissions of greenhouse gases.

Whilst alternative products such as HydroFreeze/HydroFreeze+ do require the use of a freezer, they do not require such extreme low temps as traditional dry ice and far less energy usage in this regard. Both phase change at -20°C/-4°F, a far cry from –78°C / 109°F!

Using Dry Ice

As dry ice melts, it turns into carbon dioxide gas (a process known as “sublimation”) – this is always present in low concentrations in the environment so does not contribute to the greenhouse effect. However, it can pose a problem when it is released in a small or unventilated space, as it lowers the amount of “normal air” in the area. This in turn creates an oxygen deficient environment which can pose the following health risks to both humans and animals:

  • Weakness
  • Impaired mental function including thinking, attention span, coordination and emotional upset.
  • When oxygen levels become even lower, bodily functions such as heart function and abnormal fatigue are a risk.

As carbon dioxide gas is both colourless and odourless, it cannot be detected unless a specific alarm sensor is

Sustainability Hydropac and CSR

Sustainability isn’t just a trend for us – it’s a promise. As we innovate, create, and lead, we keep our planet’s well-being at the forefront. With Hydropac, you’re not just preserving the quality of your cargo; you’re contributing to a healthier world.

Experience the power of sustainable temperature assurance with Hydropac – where excellence and environmental responsibility coexist for a brighter future.

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