Modelling and scaling analysis of a solar reactor for sulphuric acid cracking in a hybrid sulphur cycle process for thermochemical hydrogen production

被引：7

作者：

Botero, Nicolas Bayer ^{[1
]}

Thomey, Dennis ^{[1
]}

Niehoff, Alejandro Guerra ^{[1
]}

Roeb, Martin ^{[1
]}

Battler, Christian ^{[1
]}

Pitz-Paal, Robert ^{[1
]}

机构：

[1] Gerinan Aerosp Ctr DLR, Inst Solar Res, D-51147 Cologne, Germany

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 19期

关键词：

Thermochemical hydrogen; Hybrid sulphur cycle; Solar sulphuric acid cracking; Reactor modelling; Scaling analysis; TRIOXIDE DECOMPOSITION; CATALYSTS;

D O I：

10.1016/j.ijhydene.2015.11.088

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Solar sulphuric acid cracking is a key step of the hybrid sulphur cycle (HyS) for thermochemical water splitting producing hydrogen free of CO2 emissions. In the European projects HYTHEC and HycycleS the concept of a receiver-reactor was developed by DLR and tested in its solar furnace in Cologne, Germany. A model of the high temperature chamber for SO3 decomposition is presented and validated with experimental results of the HycycleS test reactor. In a scaling analysis, this model is integrated into a previously published flowsheet of a solar HyS process predicting the performance of the system at industrial size. Applying stationary and dynamic simulation, an optimum reactor length of 1 m can be identified. The results of the simulation are now used in the European project SOL2HY2 to develop and operate a demonstration plant for sulphuric acid cracking on DLR's solar tower in Juelich, Germany. (C) 2015 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：8008 / 8019

页数：12

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