Hy­dro­gen pro­duc­tion is a dirty process

Science Illustrated - - TECHNOLOGY -

The dom­i­nant hy­dro­gen ex­trac­tion method is a process, by which nat­u­ral gas is split into tiny atomic con­stituents – car­bon and hy­dro­gen atoms – by means of very hot steam. The process emits CO , mak­ing the hy­dro­gen 2 less “green”, and is very en­er­gy­in­ten­sive – typ­i­cally, 30 % are lost in the chem­i­cal re­ac­tions.

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