How to calculate material balance and processing losses in dry gas hydrogen production plants?

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This post was last edited by chrym on 2016-9-30 15:36. For dry gas hydrogen production plants (including PSA), how to calculate the material balance and processing losses of such plants? Currently, there are differing opinions internally, mainly regarding whether the water vapor involved in the reaction should be classified as a raw material or as an energy source. Some people, influenced by devices under normal pressure and similar factors, believe that water vapor should be classified as an energy source rather than a raw material; however, this makes it impossible to achieve mass balance, let alone calculate the processing losses of the device. I have searched through numerous sources, but could not find a consistent method for calculating material balance and processing losses. I did find that within Sinopec’s companies there is a method for calculating processing losses in hydrogen production, which is based on carbon balance; however, this method applies only to the conversion and intermediate transformation stages and does not include the PSA stage. I was wondering if anyone knows reliable methods for calculating the material balance and processing losses in dry gas hydrogen production plants (including PSA systems). Could you please provide some information on this? Thank you!