Solar steam reforming of natural gas for hydrogen production using molten salt heat carriers

被引：69

作者：

Giaconia, Alberto ^{[1
]}

de Falco, Marcello ^{[2
]}

Caputo, Giampaolo ^{[1
]}

Grena, Roberto ^{[1
]}

Tarquini, Pietro ^{[1
]}

机构：

[1] ENEA Res Ctr Casaccia, I-00123 Rome, Italy

[2] Univ Roma La Sapienza, Dept Chem Engn, I-00184 Rome, Italy

来源：

AICHE JOURNAL | 2008年 / 54卷 / 07期

关键词：

energy; green engineering; process simulation; membrane separations; hydrocarbon processing;

D O I：

10.1002/aic.11510

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The utilization of concentrated solar energy as external heat source for methane steam reforming has been investigated. Molten salts at temperatures up to 550 degrees C can be used as solar heat carrier and storage system, and hydrogen selective membranes can be used to drive reforming reaction at lower temperatures than conventional (<550 degrees C), with hydrogen purification achieved thereby. The combination of new technologies such as membranes and membrane reactors, concentrating solar power (CSP) systems, and molten salt heat carriers, allows a partial decarbonation of the fossil fuel together with the possibility to carry solar energy in the current natural gas grid. Different plant configurations and operating conditions have been analyzed using a mathematical model and AspenPlus simulator. (C) 2008 American Institute of Chemical Engineers.

引用

页码：1932 / 1944

页数：13

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