Keller, F., Voss, R., Lee, R.P. 2022. Overcoming challenges of life cycle assessment (LCA) for chemical recycling - Recommendations for increasing transparency, comprehensiveness and comparability of LCA for chemical recycling technologies. Policy Brief.

Keller, F., Voss, R., Lee, R.P. 2022. Overcoming challenges of life cycle assessment (LCA) and techno-economic assessment (TEA) for chemical recycling - Recommendations for increasing transparency, comprehensiveness and comparability of LCA & TEA for chemical recycling technologies. Technical Report. DOI: 10.5281/zenodo.7071886.

Voss, R., Lee, R.P., Fröhling, M. 2022. A consequential approach to life cycle sustainability assessment with an agent-based model to determine the potential contribution of chemical recycling to UN Sustainable Development Goals. Journal of Industrial Ecology.

Jones, C.R., Lee, R.P., Kaklamanou, D. 2022. Understanding public perceptions of chemical recycling: A comparative study of public attitudes towards coal and waste gasification in Germany and the United Kingdom. Sustainable Production and Consumption, 32: 125-135.

Voss, R., Lee, R.P., Fröhling, M. 2022. Chemical recycling of plastic waste: comparative evaluation of environmental and economic performances of gasification- and incineration-based treatment for lightweight packaging waste. Circular Economy and Sustainability.

Keller, F., Mamani Soliz, P., Seidl, L.G., Lee, R.P., Meyer, B. 2022. Life cycle inventory data generation by process simulation for conventional, feedstock recycling and Power-to-X technologies for base chemical production. Data in Brief.

Keller, F., Voss, R.L., Lee, R.P., Meyer, B. 2022. Life cycle assessment of global warming potential of feedstock recycling technologies: Case study of waste gasification and pyrolysis in an integrated inventory model for waste treatment and chemical production in Germany. Resources, Conservation and Recycling, Vol. 179: 106106.

Lee, R.P., Graebner, M., Meyer, B. 2021. Alternative pathways for the transformation to a sustainable carbon cycle and hydrogen economy. Acamonta, 28: 26 - 29.

Lee, R.P., Graebner, M., Meyer, B. 2021. Transformation to sustainable waste management for zero waste cities in China. econet monitor. September 2021, pp. 11 - 13.

Lee, R.P., Graebner, M., Meyer, B. 2021. Transformation to sustainable waste management for zero waste cities in China. econet monitor. Issue July 2021, pp. 6 - 8.

Voss, R., Lee, R.P., Seidl, L., Keller, F., Froehling, M. 2021. Global warming potential and economic performance of gasification-based chemical recycling and incineration pathways for residual municipal solid waste treatment in Germany. Waste Management, 134: 206 - 219.

Lee, R.P., Seidl, L.G., Huang, Q.L., Meyer, B. 2021. An analysis of waste gasification and its contribution to China's transition towards carbon neutrality and zero waste cities. Journal of Fuel Chemistry and Technology, 49 (8): 1057-1076.

Poganietz, W-R., Lee, R.P. (2021). Systems analysis. In: Böschen, S., Grunwald, A., Krings, B-J., Rösch, C. (Eds.). Technikfolgenabschätzung, Handbuch für Wissenschaft und Praxis. 1 Auflage, Nomos Handbuch, pp 267 - 285. ISBN print: 978-3-8487-6070-1 , ISBN online: 978-3-7489-0199-0.

Lee, R.P., Seidl, L.G., Meyer, B. 2021. Chemical storage of hydrogen in synthetic liquid fuels: building block for CO2-neutral mobility. Clean Energy, 5(2), pp. 180-186.

Lee, R. P., Tschoepe, M., Voss, R. 2021. Perception of chemical recycling and its role in the transition towards a circular carbon economy: A case study in Germany. Waste Management, 125, pp. 280-292.

Seidl, L.G., Poganietz, W-R., Keller, F., Lee, R.P, Grunwald, A., Meyer, B. 2021. Concepts and sustainability assessment of the circular carbon economy using the example of chemical recycling for olefin production. Chemie Ingenieur Technik, 93(3): 421-437.

Scheithauer, M., Mamani Soliz, P. E., Lee, R. P., Keller, F., Meyer, B., Bui, X.-N., Huong, T. T. T. 2021. Assessment of feasible and effective technologies for the chemical utilisation of domestic coal for value-added production in Vietnam. In: Bui, X.-N.; Lee, C.; Drebenstedt, C. (Eds.): Proceedings of the International Conference on Innovations for Sustainable and Responsible Mining, Lecture Notes in Civil Engineering, Springer, pp. 364-384. DOI: 10.1007/978-3-030-60839-2_19.

Lee, R.P., Meyer, B., Huang, Q.L, Voss, R. 2020. Sustainable waste management for zero waste cities in China: potential, challenges and opportunities. Clean Energy, 4(3): pp. 169- 201.

Mamani-Soliz, P., Seidl, L. G., Keller, F., Lee, R.P., Meyer, B. 2020. Chemical recycling - current status and new developments. In Holm O., Thomé-Kozmiensky, E., Goldmann, D., & Friedrich, B. (Eds.) Recycling und Sekundärrohstoffe, Vol. 13, Thomé-Kozmiensky Verlag GmbH, pp. 268 - 284.

Seidl, L.G., Lee, R.P., Keller, F., Meyer, B. 2020. Contribution of chemical recycling to the defossilisation of raw material chains - Concept study for sustainable olefin production in Germany. In Thiel, S., Thomé-Kozmiensky, E., Quicker, P., Gosten, A. (eds.): Energy from Waste, Volume 17, Thomé-Kozmiensky Verlag GmbH, pp. 115-137.

Keller, F., Lee, R.P., Meyer, B. 2020. Life cycle assessment of global warming potential, resource depletion and acidification potential of fossil, renewable and secondary feedstock for olefin production in Germany. Journal of Cleaner Production, 250: 119484.

Lee, R.P., Scheibe, A. 2020. The politics of a carbon transition: An analysis of political indicators for a transformation in the German chemical industry, Journal of Cleaner Production, 244: 118629.

Lee, R.P., Meyer, B., Seidl, L. 2019. Future of alternative fuels. Environmental Magazine, October-November 2019: 32-33.

Lee, R.P., Meyer, B. 2019. Synthesis gas from hard-to-recycle waste. Environmental Magazine, 9/2019: 36-39.

Lee, R.P., Seidl, L., Meyer, B. 2019. Parameters for a circular economy. Environment Magazine, 9/2019: 39.

Lee, R.P. 2019. Alternative carbon feedstock for the chemical industry? - Assessing the challenges posed by the human dimension in the carbon transition, Journal of Cleaner Production, 219: pp. 786-796.

Meyer, B., Schiffer, L., Keller, F., Lee, R.P. 2018. Energising the carbon cycle. Denkströme - Journal der Sächsischen Akademie der Wissenschaften, Heft 19, Leipziger Universitätsverlag, Germany, pp. 83-93.

Schiffer, L., Keller, F., Lee, R.P. 2018. "Grand Challenges" of the energy and raw materials transition in Germany - Options, potentials and areas of conflict using the example of platform chemicals. In Decker, M., Lindner, R., Lingner, S., Scherz, C. & Sotoudeh, M. (eds.) Mastering "Grand Challenges". Der Beitrag der Technikfolgenabschätzung, Gesellschaft - Technik - Umwelt, Band 20, Germany, pp. 363-376.

Lee, R.P., Reinhardt, R., Keller, F., Gurtner, S., Schiffer, L. 2018. A raw materials transition for a low-carbon economy: Challenges and opportunities for management in addressing the trilemma of competitiveness, supply security and sustainability. In George, G. & Schillebeeckx, S.J. D. (Eds.) Managing Natural Resources: Organizational Strategy, Behaviour and Dynamics, Edward Elgar Publishing, London, UK, pp. 61-87.

Lee, R.P., Keller, F., Meyer, B. 2018. A concept to support the transformation from a linear to circular carbon economy. Net zero emissions, resource efficiency and conservation through a coupling of the energy, chemical and waste management sectors. Clean Energy, 1:102-113.

Meyer, B., Keller, F., Wolfersdorf, C., Lee, R.P. 2018. A concept for the circular carbon economy. Sector coupling between energy, chemistry & waste. Chemie Ingenieur Technik, 90 (1-2): pp. 241-248.

Lee, R.P., Laugwitz, A., Keller, F., Wolfersdorf, C., Mehlhose, F., Meyer, B., 2017. Achieving a Closed Carbon & Circular Economy for the Waste Management Sector - Net Zero Emissions, Resource Efficiency and Conservation by Coupling the Energy, Chemical and Recycling Sectors. In: Thomé-Kozmiensky, K. J.; Thiel, S.; Thomé-Kozmiensky, E.; Winter, F.; Juchelková, D. (Eds.): Waste Managementt, Volume 7 - Waste-to-Energy. Nietwerder: TK Verlag Karl Thomé-Kozmiensky, pp. 343-354

Lee, R.P., Wolfersdorf, C., Keller, F., Meyer, B., 2017. Towards a closed carbon cycle and achieving a circular economy for carbonaceous resources. Net zero emissions, resource efficiency and resource conservation through coupling of the energy, chemical and recycling sectors. Erdöl, Erdgas, Kohle - Oil Gas European Magazine 6 (2017), pp. 76-80.

Presentations

Keller, F., Voss, R., Lee, R.P., Gräbner, M. 2022. Life cycle assessments of environmental and climate impacts of chemical recycling technologies - Towards a systemic approach for transparency and comparability. Presentation at the 2022 International Freiberg Conference on IGCC & XtL Technologies. 19-21th September, Freiberg, Germany. Presentation available in the Conference Archive (ISSN: 2363-8702).

Voss, R., Keller, F., Lee, R.P. 2022. A business case for chemical recycling? - Recommendations for techno-economic assessment of chemical recycling technologies. Presentation at the 2022 International Freiberg Conference on IGCC & XtL Technologies. 19-21th September, Freiberg, Germany. Presentation available in the Conference Archive (ISSN: 2363-8702).

Meyer, B., Lee, R.P. 2021. Development of gasification projects: Addressing the industrial challenges and solutions. Gasification India. 25-26 November 2021. online event.

Seidl, L.G., Lee, R.P., Gräbner, M., Meyer, B. 2021. Overview of Pyrolysis and Gasification Technologies for Chemical Recycling of Mixed Plastic and other Waste. Keynote Lecture. DGMK Conference "Chemical Recycling - Beyond Thermal Use of Plastic and other Waste", 06-07.10.2021, Online Event.

Lee, R.P., Wendt, H. 2021. From Coal-to-X to Waste-to-X: Historical and current developments to promote resource efficiency, resource conservation and circularity via sustainable utilisation of coal and waste. Waste Now! Histories and Contemporalities of Waste, 09.06.2021, Online, China & Finland.

Reinmöller, M., Lee, R.P., Gräbner, M. 2021. Application of alternative carbon sources to thermal processes - A brief overview of future technologies. 72nd BHT Freiberg University Forum, 09-11 June 2021, Online, Germany.

Gräbner M., Lee, R.P., Seidl, L., Seifert, P., Scheithauer, M., Meyer, B. 2021. The path to Co2-neutral mobility. IHK Chemnitz Workshop - Potenzial "synthetischer Treibstoffe" nutzen, 01.06.2021, Online, Germany.

Gräbner, M., Lee, R.P., Seidl, L., Meyer, B. 2021. CCU & Alternatives for the Transport Turnaround. DGMK Seminar "CCUS - Ein Baustein für die nachhaltige Kohlenstoffbereitstellung", 18.05.2021, Online, Germany.

Meyer, B., Lee, R.P. 2021. Methane pyrolysis for turquoise hydrogen: Potential contribution to energy transition & requirements for large-scale technical realisation. FSR Webinar on Industry Experiences & Prospectives in Pyrolysis - "Pyrolysis Hydrogen: Truly Neutral or Negative, will it be Competitive?", 17.03.2021, Online, Italy.

Voss, R., Lee, R. P., Fröhling, M., 2020. Integrated assessment of chemical recycling of residual waste in Germany: emission reduction potential and costs. GOR-Online-Workshop 2020 of the Chair of Energy Systems and Energy Economics of the Ruhr-University Bochum, 08-09 October 2020, Bochum.

Meyer, B., Lee, R.P., Seidl, L., Baitalow, F., Scheithauer, M. 2020. Systematics, potentials and efficiencies of CO₂-neutral liquid fuels and hydrogen. NK2 (Nationales Netzwerk Kohlenstoffkreislaufwirtschaft) Workshop, 08.10.2020, Beckum, Germany.

Keller, F., Lee, R.P., Meyer, B. 2020. Systemic life cycle assessment of chemical recycling as a building block of the carbon cycle economy. Waste incineration plants new opportunities for sector coupling - waste incineration plants as production sites for hydrogen and methanol, 03.03.2020, Wuppertal, Germany.

Meyer, B., Seidl, L.G., Mamani-Soliz, P.E., Lee, R.P. 2020. Chemical recycling - Current status and new developments. Berlin Recycling and Secondary Raw Materials Conference, 2 - 3 March 2020, Berlin, Germany.

Keller, F., Lee, R.P., Meyer, B. 2020. Consequential life cycle assessment of chemical recycling technologies in the waste-energy-chemical systems. NK2 Chemical Recycling Workshop, 25.02.2020, Freiberg, Germany.

Seidl, L.G., Mamani-Soliz, P.E., Lee, R.P., Meyer, B. 2020. Chemical recycling - Technology overview and current developments. NK2 Chemical Recycling Workshop, 25 February 2020, Freiberg, Germany.

Lee, R.P., Tschöpe, M., 2020. Survey: Perception of Chemical Recycling. Summary of First Results. NK2 Chemical Recycling Workshop, 25 February 2020, Freiberg.

Meyer, B., Hermann, A., Lee, R.P. 2020. Is there another way? Production of synthetic fuels. Hamburg T.R.E.N.D. 2020, 04-05 February 2020, Hamburg, Germany.

Herrmann, A., Tschöpe, M., Meyer, B., 2020. New concepts for sector coupling: Innovative value creation through circular economy for sustainable structural change. 16th Symposium Energy Innovation 2020, Graz, 12-14 February 2020.

Meyer, B., Seidl, L.G., Lee, R.P., Keller, F. 2020. Contribution of chemical recycling to the defossilisation of raw material chains. Berlin Waste Management and Energy Conference, 03-04 February 2020, Berlin, Germany.

Herrmann, A., Tschöpe, M., Meyer, B., 2019. New concepts for sector coupling - hydrogen and carbon cycle economy. FutureSAX Innovation Forum, Freiberg, Germany, 29 October 2019.

Meyer, B., Lee, R.P., Reinmöller, M. 2019. Chemical recycling: A key building block in the transition towards zero-waste cities. Presentation at the Taiyuan Energy Low Carbon Development Forum, 23 October 2019. Taiyuan, China.

Herrmann, A., Seidl, L. G., Keller, F., Tschöpe, M., Lee, R. P., Meyer, B., 2019. progressLAUSITZ industrial cluster - innovative value creation through circular economy for sustainable structural change. Kraftwerkstechnisches Kolloquium, Dresden, Germany, 22-23 October 2019.

Seidl, L.G., Lee, R.P., Keller, F., Meyer, B. 2019. Chemical utilization of carbonaceous waste and lignite - a case study of sustainable olefin production in Germany. DGMK Conference Circular Economy - A Fresh View on Petrochemistry, 09-11 October 2019, Dresden, Germany.

Seidl, L., Lee, R.P., Keller, F., Meyer, B. 2019. Comparisons of the CO₂ balance of the linear economy with scenarios of the carbon circular economy. Meeting of the Network Carbon Circular Economy (NK2), 19.09.2019, Chemnitz, Germany.

Tschöpe, M., Lee, R.P. 2019. Overview of current studies - waste utilisation and chemical recycling. Meeting of the Network Carbon Circular Economy (NK2), 19.09.2019, Chemnitz, Germany.

Seidl, L., Lee, R.P., Meyer, B. 2019. Waste-to-olefins - Comparison of carbon recycling from synthesis and cracker. Freiberger Pyrolysetag, 18.09.2019, Freiberg, Germany

Keller, F., Lee, R.P., Meyer, B. 2019. Life cycle assessment of feedstock alternatives for the production of light olefins. Presentation at the 10th International Conference on Industrial Ecology ISIE 2019, 07-11 July 2019, Beijing, China.

Jones, C., Lee, R.P. 2019. Public perceptions of gasification technologies and their susceptibility to the "nasty effect". Presentation at the Society of Risk Analysis Europe (SRA-E) Conference 2019, 24-26 June 2019, Potsdam, Germany.

Lee, R.P., Voss, R. 2019. Integrated risk assessment of carbon transition options: The case of the German chemical industry. Presentation at the Society of Risk Analysis Europe (SRA-E) Conference 2019, 24-26 June 2019, Potsdam, Germany.

Lee, R.P. 2019. Challenges and opportunities at the nexus of interdisciplinary, intersectoral & intercultural R&D. Presentation at the Pre-Conference Workshop on "Opportunities and Challenges in Interdisciplinary Risk Research" of the Society of Risk Analysis Europe (SRA-E) Conference 2019, 23.06.2019, Potsdam, Germany.

Lee, R.P. 2019. Our plastic waste - raw material instead of fuel? Night of Science and Economy, Freiberg, Germany, 22.06.2019.

Lee, R.P., 2019. What is Chemical Recycling? BHT Colloquium "Chemical Recycling - Actual Development, Options and Perspectives, 06.06.2019, Freiberg, Germany.

Meyer, B., Lee, R. P., Seidl, L., Keller, F., 2019. FlexiSlag-Verfahren zum Abfall-Vasgasung / FlexiSlag-Technology for waste gasification. BHT Colloquium "Chemical Recycling - Actual Development, Options and Perspectives, 06.06.2019, Freiberg, Germany.

Kleeberg, J., Lee, R.P., Meyer, B., 2019. Closing the carbon cycle through chemical waste recycling via gasification. CSIRO Cutting Edge Symposium on Waste and the Circular Economy, 27-29 May 2019, Melbourne, Australia.

Meyer, B., Seidl, L.G., Lee, R.P., Richter, A. 2019. Molecular recycling of residual waste: Contribution to sustainable structural change in lignite mining regions? Plenary presentation at the DGMK-Veranstaltung / Kohlen- und Biomasseveredlung, Thermochemische Konversion - Schlüsselbaustein für zukünftige Energie- und Rohstoffsysteme, 23-24 May 2019, Dresden, Germany

Seidl, L.G., Keller, F., Lee, R.P., Meyer, B. 2019. Die thermochemische Konversion von primären und sekundären Kohlenstoffträgern - Szenarien für eine Kohlenstoffkreislaufwirtschaft, DGMK-Tagung: Thermochemical conversion - key building block for future energy and raw material systems, 23-24 May 2019, Dresden, Germany

Keller, F., Lee, R. P., Meyer, B. 2019. Life cycle assessment of raw material alternatives for the production of light olefins, DGMK-Fachbereichstagung: Thermochemical conversion - key building block for future energy and raw material systems, 23-24 May 2019, Dresden, Germany

Seidl, L.G., Meyer, B., Keller, F. 2019. High temperature processes for the chemical utilisation of domestic carbon carriers - Alternative concepts using gasification for the production of methanol and olefins, Annual Meeting of the ProcessNet High Temperature Technology Group, 02-03 April 2019, Karlsruhe, Germany

Klinger, D., Lee, R.P., Meyer, B. 2019. NK2- A national network for the carbon cycle economy. Innovation forum "TexCycle". Symposium: New technologies and ideas for recycling textile production waste, 13 March 2019, Chemnitz, Germany.

Meyer, B., R.P., Lee, Mehlhose, F., Keller, F., Seidl, L. 2019. Lighthouse project CarbonTrans: plastics recycling and CO₂ emission-free coal chemistry. Forum Mitteldeutschland, 04 March 2019, Böhlen, Germany.

Meyer, B., R.P. Lee. 2018. Germany's R&D activities for carbon resources - a snapshot of current developments. 3rd Sino-German Forum on Green Chemistry and Functional Materials at the Shanghai Advanced Research Institute, Chinese Academy of Sciences (CAS SARI), 15 October 2018, Shanghai, China.

Meyer, B., R. P., Lee. 2018. Demands on conversion technologies for the sustainable utilisation of carbon sources. Guest lecture at the Institute of Clean Coal Technologies, East China University of Science & Technology, 08.10.2018, Shanghai, China.

Lee, R.P. 2018. Domestic carbon resources - curse or blessing? On public perceptions and acceptance. Presentation as part of the Foreign Experts Program of the Shanxi Province at the Institute of Coal Chemistry, Chinese Academy of Sciences (ICC CAS), 28.06.2018, Taiyuan, China.

Meyer, B., Lee, R.P. 2018. Demands on conversion technologies for the sustainable utilization of carbon sources. Presentations as part of the lecture tour for the CAS President's International Fellowship Initiative for Distinguished Scientist at the Institute of Engineering Thermophysics, Chinese Academy of Sciences (IET CAS), 25.06.2018, Beijing, China and at the Institute of Coal Chemistry, Chinese Academy of Sciences (ICC CAS), 28.06.2018, Taiyuan, China.

Meyer, B., Lee, R.P. 2018. Germany's R&D activities for carbon resources - a snapshot of current developments Presentation as part of the lecture tour for the CAS President's International Fellowship Initiative for Distinguished Scientist at the Institute of Coal Chemistry, Chinese Academy of Sciences (ICC CAS), 26.06.2018, Taiyuan, China.

Lee, R.P. 2018. The carbon dilemma: knowledge, perception and support for the alternative utilisation of domestic carbon resources in Germany. Presentation at the Society of Risk Analysis Europe (SRA-E) Conference 2018, 17-20 June, Östersund, Sweden. 

Meyer, B., Lee, R.P. 2018. Demands on conversion technologies for the sustainable utilisation of carbon sources. Presentation at the 9th International Freiberg Conference on IGCC & XtL Technologies, 3rd-8th June, Berlin, Germany. Abstract available in conference proceeding, pp.9-10. ISSN: 2363-8702.

Mehlhose, F., Lee, R.P., Laugwitz, A., Meyer, B. 2018. Waste gasification: Key technology for closing the carbon cycle. Presentation at the 9th International Freiberg Conference on IGCC & XtL Technologies, 3rd-8th June, Berlin, Germany. Abstract available in conference proceeding, p.37. ISSN: 2363-8702.

Keller, F., Lee, R.P., Meyer, B. 2018. Environmental evaluation of the production of platform chemicals from different feedstock. Presentation at the 9th International Freiberg Conference on IGCC & XtL Technologies, 3rd-8th June, Berlin, Germany. Abstract available in conference proceeding, pp. 65-66. ISSN: 2363-8702. This presentation was awarded best scientific presentation.

Lee, R.P. 2018. Alternative carbon feedstock for the chemical industry: challenges posted by the human dimension in the social-technical system. Presentation at the 9th International Freiberg Conference on IGCC & XtL Technologies, 3rd-8th June, Berlin, Germany. Abstract available in conference proceeding, pp. 66-67. Presentation available online from the conference website. ISSN: 2363-8702.

Brauer, D., Lee, R.P., Brauer, C. 2018. Commercialization of emerging environmental sustainability technologies: case study based on CCU&S. Presentation at the 9th International Freiberg Conference on IGCC & XtL Technologies, 3rd-8th June, Berlin, Germany. Abstract available in conference proceeding, p. 111. Presentation available online from the conference website. ISSN: 2363-8702.

Scheibe, A. 2018. A political evaluation of carbon feedstock alternatives for the German chemical industry. Presentation at the 9th International Freiberg Conference on IGCC & XtL Technologies, 3rd-8th June, Berlin, Germany. Abstract available in conference proceeding, pp.9-10. ISSN: 2363-8702.

Jones, C. 2018. Lay perceptions of carbon dioxide utilisation technologies in the United Kingdom and Germany: An exploratory qualitative interview study. Presentation at the 9th International Freiberg Conference on IGCC & XtL Technologies, 3rd-8th June, Berlin, Germany. Abstract available in conference proceeding, pp.9-10. ISSN: 2363-8702.

Lee, R.P. 2018. Sector coupling energy - chemistry - waste. Concept for the circular carbon economy. Keynote speech at the Meeting of the Energy Advisory Council of Saxony, Chemnitz, Germany, 18 April 2018.

Lee, R.P. 2018. Domestic carbon sources - curse or blessing? Perception and acceptance in the population. Neu-Ulmer Energietag 2018, Neu-Ulm, Germany, 25 January 2018.

Lee, R.P., Keller, F., Meyer, B. 2017. A concept for closing the carbon cycle via sector coupling. Chinese-German Symposium "Predictive Simulation; Experimental Validation of High Temperature Partial Oxidation Processes to Reduce Carbon Feedstock", Freiberg, Germany, 28-30 November 2017.

Meyer, B., Lee, R.P., Keller, F. 2017. Lignite chemistry as an integral part of a closed carbon cycle. German-Chinese Fraunhofer Forum "Circular Carbon Economy" C2E, Berlin, Germany, 06.10.2017.

Meyer, B., Lee, R.P., Keller, F. 2017. Gasification technologies for an emissions free coal utilisation & chemical recycling. 2017 International Conference on Coal Science & Technology, Beijing, China 25-27 September 2017.

Laugwitz, A., Mehlhose, F., Meyer, B., Lee, R.P., Keller, F., Wolfersdorf, C. 2017. Achieving a closed carbon & circular economy for the waste management sector - net zero emissions, resource efficiency and conservation by coupling the energy, chemical and recycling sectors. IRRC Waste-to-Energy, Vienna, Austria, 18-19 September 2017.