Toray halves CO2 emissions from hydrogen purification process


Technology company Toray Industries (Toray) has developed a method of permeating hydrogen from mixed gases that reduces the amount of carbon dioxide (CO2) released during the hydrogen purification processes.

Toray’s polymeric separation membrane module also reduces the number of modules required during purification. 

The module works by removing impurities during hydrogen production and usage, using pressure differences to save space and enable separation without phase changes. 

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