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Abstract

An apparatus for producing dry ice includes a supply means (2) for supplying carbon dioxide in the liquid state and a means (20) for the transition of state of the carbon dioxide in the liquid state flowing along the supply means (2). The state transition means (20) brings about the desired solidification of the carbon dioxide in order to produce dry ice and the undesired formation of carbon dioxide in the gaseous state. A system (3) is provided for the collection and recovery of carbon dioxide in the gaseous state. The collection and recovery system (3) collects carbon dioxide in the gaseous state downstream of the state transition means (20) and has a compressor (4) for compressing the carbon dioxide collected by the collection system (3), a heat exchanger (5) that places the carbon dioxide downstream of the compressor (4) and the carbon dioxide upstream of the compressor (4) in thermal communication, and a storage means (6) for storing the carbon dioxide coming from the compressor (4).

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