Hydrogen utility consumption can be reduced significantly when purification unit is introduced in a hydrogen network. In general

design and targeting of the hydrogen network involving purification are more difficult compared to that of the network involving reuse only. In this paper

a simple method is presented for targeting the single contaminant hydrogen networks involving purification unit with fixed purified concentration model

based on the characteristics of the hydrogen networks. In the targeting procedure

the initial flow rate of the purified stream is first assumed as sufficient

and then the initial purification pinch is identified. Finally

the purification target can be obtained with a few relationships developed from material balances. If the initial purification pinch is estimated correctly

the purification target can be obtained by only one step simple calculation. If the initial purification pinch is not estimated correctly

the correct pinch point can be determined based on the results of the first step calculation. The target can be obtained by an additional step of simple calculation. The results of a few literature examples show that the purification stream consumption target of single-contaminant hydrogen networks involving purification unit can be obtained easily with the proposed method

which provides an effective tool for the targeting of hydrogen networks involving purification unit.