Demand side management and operational mode switching in chlorine production,AIChE Journal

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Demand side management and operational mode switching in chlorine production
AIChE Journal ( IF 3.5 ) Pub Date : 2018-07-25 , DOI: 10.1002/aic.16352
Luisa C. Brée ₁ , Karen Perrey ₂ , Andreas Bulan ₂ , Alexander Mitsos ₁

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Demand side management (DSM) gains importance due to penetration of renewable energy in energy provision. A promising candidate is the chlor‐alkali process as it is an energy‐intensive process with a high installed capacity and high penetration worldwide. In this article, we consider DSM for the purpose of chlorine production via membrane electrolysis. We allow for switching between two different operational modes with different respective electrical power demands on a per ton of produced chlorine (Cl₂) basis and different modulation of production rate. Switching necessitates a cleaning procedure leading to downtimes of the Cl₂ production, while a constant provision of Cl₂ for downstream processes is necessary. The optimal operation of a variable and switchable chlor‐alkali process under aforementioned constraints is determined by formulation as a mixed integer linear program. The results demonstrate that oversizing, in combination with switching, leads to substantial savings, especially in future scenarios for the electricity price. © 2018 American Institute of Chemical Engineers AIChE J, 65: e16352 2019

中文翻译：

氯气生产中的需求方管理和操作模式切换

由于可再生能源在能源供应中的渗透，需求侧管理（DSM）变得越来越重要。氯碱工艺是一个有前途的候选方法，因为它是一种能源密集型工艺，在世界范围内具有很高的装机容量和高渗透率。在本文中，我们考虑将DSM用于通过膜电解生产氯气的目的。我们允许在每吨产生的氯（Cl ₂）的基础上具有不同的各自电力需求和生产率的不同调制的两种不同的操作模式之间进行切换。切换需要清洁程序，导致Cl ₂生产停工，同时不断提供Cl ₂对于下游工艺是必要的。在上述约束条件下，可变和可切换氯碱工艺的最佳运行情况可通过公式化为混合整数线性程序来确定。结果表明，过大的尺寸，再加上开关，可以节省大量成本，尤其是在未来的电价情景中。©2018美国化学工程师学会AIChE J，65：e16352 2019

更新日期：2018-07-25

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