Research output per year
Research output per year
Personal profile
Profile
Hold degrees from Technical University of Denmark (MSc soild waste 1974), University of Washington, Seattle, USA (PhD, water chemistry 1980) and the University of Copenhagen (KVL Dr.Agro soil chemistry 1990). The research field is waste technology and management. This recently involves use of life cycle assessment tools and focus on holistic management of waste management systems with emphasis on waste technologies. Focus has been on developing the EASETECH / EASEWASTE model and the application to waste management issues in many parts of the world. Significant research experience in waste characterization, waste collection, recycling, biological waste treatment, incineration, use of waste products on land, landfilling of waste, treatment of ashes, handling of construction and demolition waste as well as special waste (paint waste, WEEE). Early research focused on the environmental aspects of waste utilization and disposal on land with focus on heavy metals in soils, fertilizer substitution and the effect of landfill leachate on groundwater quality.
Collaboration has been significant with a range of universities around the world as well as with industry, consulting companies, public authorities and organizations.
Teaching has been in solid waste management, LCA of solid waste mangement systems, soil and groundwater pollution and water chemistry. Graduated more than 60 master students and 30 PhD students.
Served in committees and worked with a range of organizations (e.g. Danish Competence Center for Waste/DAKOFA, ISWA; IWWG) and research bodies (Danish Research Council/Strategic Research Council, Development Program for Energy Technology). Contributed to assessment of national research programs and evaluation of research institutions in Denmark and abroad.
Co-founder and Associate Editor (1983-1994) of the international journal Waste Management & Research. Published the international text book ”Solid Waste Technology & Management” (Wiley, 2011).
Member of the Danish Academy of Technical Sciences.
Research areas
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Keywords
- User defined:
- Waste treatment
- Waste management
- Waste LCA
- Recycling
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Carbon footprints of incineration, pyrolysis, and gasification for sewage sludge treatment
Chang, H., Yuan, J., Zhao, Y., Bisinella, V., Damgaard, A. & Christensen, T. H., 2025, In: Resources, Conservation and Recycling. 212, 11 p., 107939.Research output: Contribution to journal › Journal article › Research › peer-review
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Climate change impacts of biological treatment of liquid digestate from the anaerobic digestion of food waste
Varling, A. S., Chrysochoidis, V., Bisinella, V., Valverde-Pérez, B. & Christensen, T. H., 2025, In: Waste Management. 193, p. 339-349 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile13 Downloads (Orbit) -
Disintegration of commercial biodegradable plastic products under simulated industrial composting conditions
Afshar, S. V., Boldrin, A., Christensen, T. H., Corami, F., Daugaard, A. E., Rosso, B. & Hartmann, N. .., 2025, In: Scientific Reports. 15, 1, 14 p., 8569.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile1 Downloads (Orbit) -
Degradation of Biodegradable Plastics
Vafadar Afshar, S., Boldrin, A., Astrup, T. F., Christensen, T. H., Daugaard, A. E. & Hartmann, N. I. B., 2024, Abstract Book - SETAC Europe 34th Annual Meeting: Science-Based Solutions in Times of Crisis: Integrating Science and Policy for Environmental Challenges. SETAC Europe, p. 390-390 3.07.P-Th316. (Abstract book (SETAC Europe Annual Meeting), Vol. 2024).Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
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Waste LCA and the future
Bisinella, V., Schmidt, S., Varling, A. S., Laner, D. & Christensen, T. H., 2024, In: Waste Management. 174, p. 53–75 23 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile100 Downloads (Orbit)
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LCA modelling of emerging waste management technologies and systems
Varling, A. S. (PhD Student) & Christensen, T. H. (Main Supervisor)
01/05/2022 → 13/10/2025
Project: PhD
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The role of bioplastics in circular economy
Vafadar Afshar, S. (PhD Student), Hartmann, N. B. (Main Supervisor), Boldrin, A. (Supervisor) & Christensen, T. H. (Supervisor)
01/02/2021 → 22/08/2025
Project: PhD
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In Situ heat treatment of polluted clayish soils
Christensen, T. H. (Project Manager), Heron, G. (Project Participant), Enfield, A. C. (Project Participant) & Zupthen, M. V. (Project Participant)
01/05/1995 → 01/01/9999
Project: Research
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Future Scenario Analysis in Solid Waste Management
Bisinella, V. (PhD Student), Astrup, T. F. (Main Supervisor), Christensen, T. H. (Supervisor), Boldrin, A. (Examiner), Guyonnet, D. (Examiner) & Brandão, M. M. R. (Examiner)
Technical University of Denmark
01/07/2013 → 05/12/2017
Project: PhD
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LCA model for sewage sludge - an EASEWASTE extension
Yoshida, H. (PhD Student), Scheutz, C. (Main Supervisor), Christensen, T. H. (Supervisor), Damgaard, A. (Examiner), Hansen, T. L. (Examiner) & Jönsson, H. (Examiner)
01/01/2011 → 19/12/2014
Project: PhD
Activities
- 2 Conference presentations
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C-accounting and the role of LCA in waste management
Christensen, T. H. (Keynote speaker)
21 Oct 2016 → 24 Oct 2016Activity: Talks and presentations › Conference presentations
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LCA – Life-Cycle-Assessment - modeling with an industrial waste example
Christensen, T. H. (Invited speaker)
27 Sept 2016 → 30 Sept 2016Activity: Talks and presentations › Conference presentations
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