This article presents the energy analysis, by means of process simulation, of hydrogen making process using light hydrocarbon feedstock.

本文用过程模拟法对以轻烃为原料的制氢工艺作了能量分析。

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The paper describes the principles and process flowsheet of hydrolytic and electrolytic hydrogen making and hydrogen making by natural gas reformation.

介绍了水电解制氢和天然气重整制氢技术的原理及其工艺流程。

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The PSA method and its process for making oxygen, purifying hydrogen, drying air, refining CO and CO 2, and its application in iron and steel industry are introduced.

介绍了变压吸附制氧，提纯氢，空气干燥，提纯一氧化碳，二氧化碳工艺流程和在钢铁行业中的应用。

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But reformation eliminates the need to supply the cell with pure hydrogen, making the whole process cheaper.

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So although the cars are technically zero emission, the process of making the hydrogen produces carbon dioxide.

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