Julia Riese
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View article: A Data-Driven Conceptual Approach to Heat Pump Sizing in Chemical Processes with Fluctuating Heat Supply and Demand
A Data-Driven Conceptual Approach to Heat Pump Sizing in Chemical Processes with Fluctuating Heat Supply and Demand Open
Heat pumps play a crucial role in decarbonizing the chemical industry. The integration and sizing of heat pumps in chemical processes is a challenging task in multi-product chemical processes due to the fluctuating waste heat supply and he…
View article: Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis
Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis Open
Pillow-plate heat exchangers (PPHEs) represent a viable alternative to conventional shell-and-tube and plate heat exchangers. The waviness of their channels intensifies fluid mixing in the boundary layers and facilitates heat transfer. App…
View article: Viscous fingering in adhesive bonding
Viscous fingering in adhesive bonding Open
View article: Optimization of design and operation of a digestate treatment cascade for demand side management implementation
Optimization of design and operation of a digestate treatment cascade for demand side management implementation Open
Sustainable chemical engineering through demand side management (DSM) and renewable feedstock integration e.g. in biorefineries are key to optimizing the use of fluctuating energy resources and minimizing environmental impact while conserv…
View article: Decentralized production concepts for bio-based polymers - implications for supply chains, costs, and the carbon footprint
Decentralized production concepts for bio-based polymers - implications for supply chains, costs, and the carbon footprint Open
This paper presents a multi-dimensional evaluation of decentralized production networks based on modular production plants. The main objective of this evaluation is to examine the effects of different degrees of decentralization in product…
View article: A multi-step framework for the design of a flexible power-to-methane process
A multi-step framework for the design of a flexible power-to-methane process Open
In this paper, a multi-step framework to design flexible power-to-methane processes is presented. The approach considers all crucial parts of the power-to-methane process, including the renewable energy source. The aim is to provide a desi…
View article: Viscous Fingering in Adhesive Bonding
Viscous Fingering in Adhesive Bonding Open
View article: Economic Evaluation of Demand Side Management Interaction in a Digestate Treatment Cascade – a Dynamic Simulation Approach
Economic Evaluation of Demand Side Management Interaction in a Digestate Treatment Cascade – a Dynamic Simulation Approach Open
View article: Decision support tool to determine the suitability of demand side management implementation in continuously operated processes – A biorefinery case study
Decision support tool to determine the suitability of demand side management implementation in continuously operated processes – A biorefinery case study Open
The time‐dependent adjustment of a system's power demand simultaneously with current power generation is commonly referred to as demand side management (DSM). DSM strategies are based on the flexibility to purchase electricity at times whe…
View article: Assessing the demand side management potential in biofuel production; A theoretical study for biodiesel, bioethanol, and biomethane in Germany
Assessing the demand side management potential in biofuel production; A theoretical study for biodiesel, bioethanol, and biomethane in Germany Open
Minimizing the emissions produced during the processing of biofuel, one aim is to reduce or completely replace the amount of the required fossil fuels used for internal process energy. For the transition of process energy from fossil to re…
View article: Demand Side Management in Biogas Plants - Dynamic Simulation of the Influence of Time-varying Agitation on Biogas Production
Demand Side Management in Biogas Plants - Dynamic Simulation of the Influence of Time-varying Agitation on Biogas Production Open
In this contribution, monetary benefits that result from demand side management (DSM) integration in biogas digesters are analyzed.A model-based study to describe the influence of an electricity price-adjusted agitation (EPAA) control on b…
View article: On the lower operation limit and the gain of flexibility of an innovative segmented tray column
On the lower operation limit and the gain of flexibility of an innovative segmented tray column Open
Operating windows of conventional tray columns may not be large enough to ensure a sufficient separation with the current or future challenges of a volatile energy and raw material supply. Therefore, an innovative, segmented separation tra…
View article: Options for demand side management in biofuel production: A systematic review
Options for demand side management in biofuel production: A systematic review Open
To minimize the emissions from the production of biofuels, one aim is to reduce or completely replace the amount of fossil fuels used for internal process energy. A conceivable solution is the use of volatile renewable energy sources such …
View article: Experimental Characterization of 3D Printed Structured Metal Packing with an Enclosed Column Wall
Experimental Characterization of 3D Printed Structured Metal Packing with an Enclosed Column Wall Open
Additive manufacturing is a promising tool for tailored solutions in chemical engineering. This applies in particular to the design of lab‐scale packed bed columns. We present experimental results to characterize a lab‐scale 3D printed str…
View article: A Techno-Economic Assessment of Fischer–Tropsch Fuels Based on Syngas from Co-Electrolysis
A Techno-Economic Assessment of Fischer–Tropsch Fuels Based on Syngas from Co-Electrolysis Open
As a part of the worldwide efforts to substantially reduce CO2 emissions, power-to-fuel technologies offer a promising path to make the transport sector CO2-free, complementing the electrification of vehicles. This study focused on the cou…
View article: Development of a Dynamic Modeling Approach to Simulate a Segmented Distillation Column for Flexible Operation
Development of a Dynamic Modeling Approach to Simulate a Segmented Distillation Column for Flexible Operation Open
The need for flexible process equipment has increased over the past decade in the chemical industry. However, process equipment such as distillation columns have limitations that significantly restrict flexible operation. We investigate a …
View article: Vorschau: Chem. Ing. Tech. 7/2021
Vorschau: Chem. Ing. Tech. 7/2021 Open
View article: Concept of a Flexible Wetted‐Wall Column for the Distillation of Specialty Chemicals
Concept of a Flexible Wetted‐Wall Column for the Distillation of Specialty Chemicals Open
The trend of increasing product diversity and decreasing production amounts led to the requirement of higher flexibility of production processes of specialty chemicals. Conventional distillation columns, mostly equipped with structured pac…
View article: Experimentelle Untersuchungen zum Tropfenmitriss im Feedeinleitbereich von Destillationskolonnen
Experimentelle Untersuchungen zum Tropfenmitriss im Feedeinleitbereich von Destillationskolonnen Open
Im Rahmen dieses Beitrags werden experimentelle Untersuchungen zur Tropfenabscheidung im Einleitbereich eines Stoffaustauschapparates für zweiphasige Strömungen vorgestellt. Dafür wurde in einem Versuchsstand im Pilotmaßstab der qualitativ…
View article: Efficient Production of Specialized Polymers with Highly Flexible Small‐Scale Plants
Efficient Production of Specialized Polymers with Highly Flexible Small‐Scale Plants Open
Shortened product life cycles and increased demand for specialized products lead to more challenges in efficiently satisfying customer needs. Customer demands are increasingly uncertain in terms of type, location, and volume. As a result, …
View article: Flexibilität als Schlüssel zu effizienten Prozessen der Zukunft?
Flexibilität als Schlüssel zu effizienten Prozessen der Zukunft? Open
No abstract.
View article: Transformable Decentral Production for Local Economies with Minimized Carbon Footprint
Transformable Decentral Production for Local Economies with Minimized Carbon Footprint Open
Due to high energy‐intensive processes and a dependence on carbon‐based materials, the process industry plays a major role in climate change. Therefore, the substitution of fossil resources by bio‐based resources is indispensable. This lea…
View article: Challenges and Opportunities to Enhance Flexibility in Design and Operation of Chemical Processes
Challenges and Opportunities to Enhance Flexibility in Design and Operation of Chemical Processes Open
Flexibility receives increased interest in chemical engineering and is discussed as one measure to deal with upcoming challenges for the chemical industry. In this paper, different types of flexibility are presented, and flexibility needs …
View article: New Column Design to Enhance Flexibility: Concept for Hydrodynamic Characterization
New Column Design to Enhance Flexibility: Concept for Hydrodynamic Characterization Open
This study presents a new and innovative sieve tray design for a more flexible operation of separation columns in terms of possible throughput. The advantage of this new tray design is to ensure an optimal operation for varying feed flow r…
View article: Modular Production with Bio‐Based Resources in a Decentral Production Network
Modular Production with Bio‐Based Resources in a Decentral Production Network Open
The change in process industry from fossil resources to alternative feedstock is indispensable due to the scarcity of resources and global warming. This leads to new challenges for the production systems. On the market side, rapid innovati…
View article: Vorschau: Chem. Ing. Tech. 12/2020
Vorschau: Chem. Ing. Tech. 12/2020 Open
befassen sich mit Modellen fu ¨r ho ¨here nichtlineare Prozessfu ¨hrungsstrategien flexibel betrie-
View article: Analysis of Capacity Potentials in Continuously Operated Chemical Processes
Analysis of Capacity Potentials in Continuously Operated Chemical Processes Open
A method is proposed to evaluate capacity potentials in continuously operated chemical processes. In the main part of the analysis, the operating windows of the equipment are examined based on detailed steady‐state simulations. The method …
View article: Comparison of the Operating Range of a Wetted‐Wall Column with a Packed Column for Distillation
Comparison of the Operating Range of a Wetted‐Wall Column with a Packed Column for Distillation Open
In this paper, a newly designed distillation column consisting of a wetted wall with a rectangular cross section is analyzed and compared with a conventional packed column with regard to the operating range of both apparatuses. As expected…
View article: Flexibility of Power‐to‐Gas Plants: A Case Study
Flexibility of Power‐to‐Gas Plants: A Case Study Open
Due to the increasing share of renewable energies in the power sector, the need for energy storage and flexible performance is rising. This study provides an in‐depth investigation of the flexibility of a Power‐to‐Gas plant for the product…
View article: Development of a Transformation Model – Modularization Step by Step
Development of a Transformation Model – Modularization Step by Step Open
Seit einigen Jahren begegnet die Prozessindustrie den Herausforderungen der Märkte durch modulare Produktions‐ und Logistikkonzepte. Der vorliegende Beitrag stellt diesen Entwicklungsprozess in Form eines vierstufigen Transformationsmodell…