Process as a battery: Electricity price aware optimal operation of zeolite crystallization in a continuous oscillatory baffled reactor

Semrau, Robin; Engell, Sebastian

doi:10.1016/j.compchemeng.2023.108143

Cited by 5 publications

(2 citation statements)

References 40 publications

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“…Next to the production of chlorine, publications cover the production of hydrogen, ammonia, methane, methanol, synthetic natural gas, ethylene oxide and formic acid. The studies considered either the process designed as implemented in the industry today (Gruber 2017;Otashu and Baldea (2018;2019;Otashu et al, 2021;Richstein and Hosseinioun, 2020;Kelley et al, 2022;Bruns et al, 2021), modifications to the design aiming to increase flexibility [Brée et al (2020;2019) propose a completely new design (Nayak-Luke et al, 2018;Fischer and Freund, 2020;Chen and Yang, 2021;Mukelabai et al, 2021;Bruns et al, 2022b;Herrmann et al, 2022;Samani et al, 2022;Semrau and Engell, 2023). All authors used modelling for simulation or optimization to study the flexibility potential, capturing the complexity of the processes with varying levels of detail, ranging from a simplified representation as a battery to dynamic process modelling.…”

Section: Methodsmentioning

confidence: 99%

Should we exploit flexibility of chemical processes for demand response? Differing perspectives on potential benefits and limitations

Bielefeld,

Cvetković,

Ramírez

2023

Front. Energy Res.

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Electrification of processes and utilities is considered a promising option towards the reduction of greenhouse gas emissions from the chemical industry. Therefore, electricity demand is expected to increase steeply. Since the sources of future low-carbon electricity are variable in nature, there is a need for strategies to match availability and demand. Literature identified the flexibility of chemical processes as one promising strategy to address variability. This study aims to provide insights into how stakeholders from the power sector and the chemical industry consider flexibility in chemical processes and to identify key benefits and bottlenecks. For this article, we combined a review of peer-reviewed and grey literature with stakeholder interviews to map and describe the state of the art of flexible chemicals production, and to identify requirements for further research. The main drivers to investigate the flexibility potential are first, the contribution to energy system reliability, and second, potential cost savings for the industry. Main limitations are considered to be first, the uncertain economic performance of flexible processes due to investment costs, reduced production and uncertain revenues from flexible operation, and second, the complexity of the implementation of flexibility.

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Section: Methodsmentioning

confidence: 99%

Should we exploit flexibility of chemical processes for demand response? Differing perspectives on potential benefits and limitations

Bielefeld,

Cvetković,

Ramírez

2023

Front. Energy Res.

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“…13,14 This represents a potential win-win for the power grid and manufacturer, serving as a form of economic incentive for helping to balance grid demand. Numerous recent works study demand-side management of other electrified industrial processes (see recent perspectives by Billings and Powell, 15 Cegla et al 16 ), including air separation, [17][18][19] chlor-akali electrolysis, 20,21 steel manufacturing, 22 zeolite crystallization, 23 and copper production. 24 Demand response schedules are typically computed using dynamic 25,26 or static 27 surrogate models, given an electricity price forecast, by solving a dynamic or (mixed-integer) linear optimization problem.…”

Section: Introductionmentioning

confidence: 99%

Integrating process and power grid models for optimal design and demand response operation of giga‐scale green hydrogen

Tsay,

Qvist

2023

AIChE Journal

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Electrolysis‐based hydrogen production can play a significant role in industrial decarbonization, and its economic competitiveness can be promoted by designing demand response operating schemes. Nevertheless, the scale of industrial supply plants may be significantly large (on the order of gigawatts), meaning that electricity prices cannot be treated as an input for scheduling problems, that is, the “price taker” approach. This article presents a framework for the optimization of a large‐scale, electricity‐powered hydrogen production facility considering its integration with the power grid. Using a computational case study, we present an iterative scheme for integrating the process model with a model for power grid optimization and capacity expansion, taking the popular GenX model as an example.

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Dynamic modeling and robust optimal operation of the hydrothermal synthesis of zeolites in a continuous oscillatory baffled reactor

Semrau,

Ramirez Mendoza,

Lutz

et al. 2024

Chemical Engineering and Processing - Process Intensification

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Process as a battery: Electricity price aware optimal operation of zeolite crystallization in a continuous oscillatory baffled reactor

Cited by 5 publications

References 40 publications

Should we exploit flexibility of chemical processes for demand response? Differing perspectives on potential benefits and limitations

Should we exploit flexibility of chemical processes for demand response? Differing perspectives on potential benefits and limitations

Integrating process and power grid models for optimal design and demand response operation of giga‐scale green hydrogen

Dynamic modeling and robust optimal operation of the hydrothermal synthesis of zeolites in a continuous oscillatory baffled reactor

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