Project

Electrification and Energy Efficiency of Processes in Industrial Laundries

Publisher

Supervisor

Location

Greater Copenhagen area

Increasing the energy efficiency of the industrial sector has the potential to significantly reduce the greenhouse gas emissions associated with the burning of fossil fuels and to reduce the operating costs. The shift from fossil fuels to renewable energy will further require the modification of industrial energy systems, currently relying on natural gas. Shifting the process energy supply to electricity, also brings new opportunities for energy efficiency measures and process control.

Industrial laundries are wide spread and process large amounts of e.g. hotel and hospital linen and clothes. The laundry process consists of several steps, such as washing, mechanical water removal, thermal water removal (drying) and post-processing (e.g. ironing and steaming). Traditionally all processes are powered by steam generated in a central utility.

The laundry processes were found to have a great potential for energy efficiency and waste heat recovery.

The aim of the project is to carry out an in-depth study of opportunities (energy and water recovery) of specific processes in an industrial laundry. The elements of such a study will consist amongst others:

(i) establish a complete overview of energy and water usage in the facility

(ii) identify waste water and waste heat sources.

(iii) identify opportunities for optimizing energy and water usage in the facility

a. via process optimisation

b. via process integration/heat recovery (e.g. heat pumps)

(iv) analyse and evaluate opportunities for electrification of processes

(v) perform technical, economic and sustainability assessments of the proposed optimisations.

Based on collected data and information, detailed energy and water end use are to be established and thermodynamic models need to be developed and validated. Methods such as pinch analysis and process integration may be applied to find optimization potentials, which are quantified and evaluated, based on private-economic analyses. The project can further include elements such as modelling of heat exchangers, thermal storages and heat pumps; Feasibility studies; Uncertainty and sensitivity analysis; The scientific focus of the project can be discussed and any suggestions from students are very welcome.

 The scope of the project can be adjusted to a special course, bachelor or master thesis.

The project will be carried out in collaboration with industrial partners from the energy consultancy (Viegand Maagøe) and relevant suppliers of equipment and solutions within the energy and water sector. The candidate (s) will be supervised and supported by members of the Section for Thermal Energy at the Mechanical Engineering department at DTU.

 

The students are required to have a background in thermodynamics, energy engineering or sustainable energy. Knowledge about pinch analysis, heat exchanger networks, energy efficiency and industrial production is beneficial but not a requirement. As the work will be in close collaboration with several industrial partners, the students are required to show a high level of organizational and communication skills (e.g. organize project meetings, factory visits, organizing data collection with partners).






In collaboration with

Viegand Maagøe A/S

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Contact

Company / Organization

DTU Mekanik

Name

Fabian Bühler

Position

Postdoc

Mail

fabuhl@mek.dtu.dk

Supervisor info

BSc in Design & Innovation

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

BSc in Mechanical Engineering

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

BSc in Sustainable Energy design

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

Mechanical Engineering

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

Process and Innovation Engineering

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

Sustainable Energy

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

MSc in Engineering, Mechanical Engineering

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

MSc in Environmental Engineering

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

MSc in Industrial Engineering and Management

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

MSc in Materials and Manufacturing Engineering

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

MSc in Sustainable Energy

Supervisor

Fabian Bühler

Type

Final project, BSc project, MSc thesis, Special course

Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.


Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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CVR-nr. 30 06 09 46

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