Experimental Determination of Photon Fluxes in Multilayer Capillary Photoreactors

Experimental Determination of Photon Fluxes in Multilayer Capillary Photoreactors
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多层毛细管光反应器中光子通量的实验测定

DOI:
10.1002/cptc.201800106
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发表时间:
2018
期刊:
影响因子:
3.7
通讯作者:
D. Ziegenbalg
D. Ziegenbalg
中科院分区:
化学3区
文献类型:
--
作者:
B. Wriedt;D. Kowalczyk;D. Ziegenbalg

文献摘要

参考文献

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这项研究的目的是使用光化计量法准确地量化在毛细管流-光反应器中增加额外的层的益处。设计了一种自行研制的3D打印FEP盖板,并对每一层分别进行了评估。实验结果表明,附加毛细管可以看作是增加的光程长度,反射和散射对毛细管的堆叠并不重要。为了解决强化堆中草酸铁放光计的析出问题,研究了一种用脉冲进行辐射测量的新实验方法,并与实验结果进行了比较。为了使结果与其他文献可比,大多数也是临时建立的反应堆,评估了适当的优值系数(生产率、空间时间产额、能源效率和外部光子效率)。
The aim of this study was to accurately quantify the benefit of adding extra layers to a capillary flow‐photoreactor using actinometry. A self‐built 3D‐printed FEP cap‐ illary mount was designed and each of the layers was evaluated separately. Experimental results showed that additional capillaries can be regarded as an augmented optical path length and that reflection and scattering are of minor importance for stacking of capillaries. To cope with the problem of precipitation of the ferrioxalate actinometer in intensified reactors, a new experimental method of conducting actinometric measurements with pulses was investigated and showed reasonable agreement. To make the results comparable to other literature‐known, mostly also improvised reactor setups, appropriate figures of merit (productivity, space time yield, energy efficiency and external photon efficiency) were evaluated.
DOI: --
发表时间: 2016
期刊:
影响因子: --
作者:
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通讯作者: K. Loubière
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DOI: --
发表时间: 2018
期刊: Scientific Reports
影响因子: 4.6
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发表时间: 2014-11-10
影响因子: 4.3
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