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
收藏
页码：8008 / 8019
页数：12
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