Hot Topic – Natural refrigerants


Following February’s feature highlighting green initiatives by supermarket chains to use CO₂ as a natural and carbon neutral coolant for in-house refrigeration, this month’s Hot Topic delves into another ‘cool’ issue – intransit natural refrigerants.

With the influx of eco-consciousness, a hike in diesel costs and buzz phrases such as ‘corporate responsibility’, supermarkets and transport companies are seeking cleaner, cheaper, greener refrigeration alternatives.

Gasworld asks industry insiders and international corporations whether natural refrigerants, such as liquid nitrogen and liquid or solid carbon dioxide, are the solution.

A recent study by the Centre for Energy and Built Environment Research at Brunel University revealed that 1.8% of a typical European country’s total carbon emissions are due to food transportation. While the food sector in general is responsible for 22% of the total. Similarly, external factors such as legislative reform have compounded the need for an eco-friendly alternative.

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