Karl Friedrich

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Research output

  1. 2024
  2. Published

    Bewertung von Zerkleinerungsverfahren für Feuerfestausbruchmaterial anhand des Aufschlussgrads von Partikeln im Dispersitätsbereich < 4mm:Backenbrecher, Prallmühle, Kegelbrecher, elektrodynamische Fragmentierung

    Friedrich, K. & Flachberger, H., 7 Nov 2024, Tagungsband „Tagung Aufbereitung und Recycling“ – 7. und 8.11.2024 – Freiberg. p. 8 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  3. Published

    Corporate Sustainability Due Diligence: Insights from a survey of industrial companies in Austria

    Feichtinger, G., Friedrich, K. & Posch, W., 27 Sept 2024, p. 1. 2 p.

    Research output: Contribution to conference › Abstract › peer-review

  4. Published

    ReSoURCE: Refractory Sorting Using Revolutionizing Classification Equipment

    Friedrich, K., 23 May 2024, p. 5. 1 p.

    Research output: Contribution to conference › Poster › Research › peer-review

  5. Published

    Increasing Efficiency in Sensor-Based Sorting Processes for Waste Streams consisting of Plastics

    Friedrich, K., 2024

    Research output: Thesis › Doctoral Thesis

  6. Published

    Konsequenzen der Corporate Sustainability Due Diligence Directive (CSDDD) im industriellen Umfeld: Eine empirische Erhebung in Österreich

    Friedrich, K., 2024

    Research output: Thesis › Master's Thesis

  7. 2023
  8. E-pub ahead of print

    Der optimale Betriebspunkt in der sensorgestützten Sortierung

    Friedrich, K., Pomberger, R. & Koinig, G., 20 Nov 2023, (E-pub ahead of print) In: Österreichische Wasser- und Abfallwirtschaft : ÖWAW . 77.2024, February, p. 26-31 6 p.

    Research output: Contribution to journal › Article › Research › peer-review

  9. Published

    Elektrodynamische Fragmentierung als alternative Zerkleinerungslösung für das Recycling von Feuerfestmaterial

    Friedrich, K. & Flachberger, H., 16 Nov 2023, Tagungsband „Tagung Aufbereitung und Recycling“ – 16. und 17.11.2023 – Freiberg. p. 23 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  10. Published

    Feasibility Study for Finding Mathematical Approaches to Describe the Optimal Operation Point of Sensor-Based Sorting Machines for Plastic Waste

    Friedrich, K., Kuhn, N. E., Pomberger, R. & Koinig, G., 30 Oct 2023, In: Polymers. 15.2023, 21, 18 p., 4266.

    Research output: Contribution to journal › Article › Research › peer-review

  11. Published

    Der Aufbereiter Die Aufbereiterin 2023

    Flachberger, H., Hartig, G., Prem, D., Böhm, A., Penz, D., Öfner, W., Fimbinger, E., Friedrich, K., Kemper, D., Krukenfellner, P., Waldl, W., Zeismann, B. & Pölzl, C., 11 Oct 2023, Der Aufbereiter Die Aufbereiterin 2023.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  12. Published

    ReSoURCE: Ein Projekt um die Wertschöpfungskette in der Feuerfestindustrie zu schließen

    Flachberger, H., Friedrich, K., Feucht, F., Pomberger, R., Sedlazeck, K. P., Heid, S., Königshofer, S. & Leitner, A., Jun 2023, In: Stein & Kies (Mitgliederzeitung - Forum mineralische Rohstoffe). 184.2023, 05-06, p. 11 1 p.

    Research output: Contribution to journal › Article › Research

  13. Published

    At the beginning of Project ReSoURCE: First steps in obtaining a comprehensive database on spent refractories

    Feucht, F., Sedlazeck, K. P., Friedrich, K., Sattler, T. M. & Pomberger, R., 9 Mar 2023, 12. Wissenschaftskongress: Abfall- und Ressourcenwirtschaft. Hamburg: Innsbruck Univ. Press, Vol. 12. p. 217-221 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  14. 2022
  15. Published

    Effizienzsteigerung in der sensorgestützten Sortierung

    Friedrich, K., Spiess, V., Pomberger, R. & Vollprecht, D., 11 Nov 2022, Recy & DepoTech 2022: Vorträge-Konferenzband zur 16. Recy & DepoTech-Konferenz.

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  16. Published

    Evaluation of improvements in the separation of monolayer and multilayer films via measurements in transflection and application of machine learning approaches

    Koinig, G., Kuhn, N., Barretta, C., Friedrich, K. & Vollprecht, D., 20 Sept 2022, In: Polymers. 14.2022, 19, 28 p., 3926.

    Research output: Contribution to journal › Article › Research › peer-review

  17. Published

    Lifecycle Assessment for Recycling Processes of Monolayer and Multilayer Films: A Comparison

    Koinig, G., Grath, E., Barretta, C., Friedrich, K., Vollprecht, D. & Oreski, G., 1 Sept 2022, In: Polymers. 14.2022, 17, 35 p., 3620.

    Research output: Contribution to journal › Article › Research › peer-review

  18. Published

    The Bulk and the Properties of Interest

    Friedrich, K. & Feucht, F., 19 Aug 2022

    Research output: Other contribution › Research

  19. Published

    Latent Recycling Potential of Multilayer Films in Austrian Waste Management

    Koinig, G., Rutrecht, B., Friedrich, K., Barretta, C. & Vollprecht, D., 11 Apr 2022, In: Polymers. 14.2022, 8, 15 p., 1553.

    Research output: Contribution to journal › Article › Research › peer-review

  20. E-pub ahead of print

    Qualitative analysis of post-consumer and post-industrial waste via near-infrared, visual and induction identification with experimental sensor-based sorting setup

    Friedrich, K., Koinig, G., Pomberger, R. & Vollprecht, D., 2 Apr 2022, (E-pub ahead of print) In: MethodsX. 9.2022, 32 p., 101686.

    Research output: Contribution to journal › Article › Research › peer-review

  21. E-pub ahead of print

    Influence of reflective materials, emitter intensity and foil thickness on the variability of near-infrared spectra of 2D plastic packaging materials

    Koinig, G., Friedrich, K., Rutrecht, B., Oreski, G., Barretta, C. & Vollprecht, D., 1 Apr 2022, (E-pub ahead of print) In: Waste management. 144.2022, 1 May, p. 543-551 9 p.

    Research output: Contribution to journal › Article › Research › peer-review

  22. Published

    Sensor-based and Robot Sorting Processes and their Role in Achieving European Recycling Goals - A Review

    Friedrich, K., Koinig, G., Fritz, T., Pomberger, R. & Vollprecht, D., 14 Feb 2022, In: Academic Journal of Polymer Science. 5.2022, 4, 18 p., 555670.

    Research output: Contribution to journal › Editorial › peer-review

  23. 2021
  24. Published

    Statistical modelling of sensor-based sorting processes

    Friedrich, K., Koinig, G., Pomberger, R. & Vollprecht, D., 15 Oct 2021, Sardina Symposium 2021 Conference Proceedings. EUROWASTE Srl (ed.).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  25. Published

    Challenges to Increase Plastic Sorting Efficiency

    Friedrich, K., Koinig, G., Tschiggerl, K., Pomberger, R. & Vollprecht, D., 8 Oct 2021, In: International Journal on Engineering Technologies and Informatics. 2021, Volume 2 Issue 4, p. 114-118 5 p.

    Research output: Contribution to journal › Article › Research › peer-review

  26. Published

    Improving the quality of recycled polymer waste through advanced mechanical sorting

    Oreski, G., Barretta, C., Koinig, G. & Friedrich, K., 2 Sept 2021, Book of Abstracts Polymer Meeting 14. Verlag der Technischen Universität Graz (ed.). Graz, p. 44 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  27. Published

    Assessment of Technological Developments in Data Analytics for Sensor-Based and Robot Sorting Plants Based on Maturity Levels to Improve Austrian Waste Sorting Plants

    Friedrich, K., Fritz, T., Koinig, G., Pomberger, R. & Vollprecht, D., 23 Aug 2021, In: Sustainability. 13.2021, 16, 15 p., 9472.

    Research output: Contribution to journal › Article › Research › peer-review

  28. Published

    Beitrag der Abfallwirtschaft zum Klimaschutz anhand von Forschungsprojekten der Montanuniversität Leoben

    Friedrich, K., Pomberger, R. & Lehner, M., 12 Apr 2021.

    Research output: Contribution to conference › Poster › Research › peer-review

  29. 2020
  30. Published

    Benchmark Analysis for Recycled Glass in Austrian Waste Management

    Friedrich, K., Holzschuster, S., Fritz, T., Pomberger, R. & Aldrian, A., 28 Dec 2020, In: Detritus. 13.2020, December, p. 87-98 12 p.

    Research output: Contribution to journal › Article › Research › peer-review

  31. Published

    Recy & DepoTech 2020: Konferenzband zur 15. Recy & DepoTech-Konferenz

    Pomberger, R. (Editor), Trieb, T. (Illustrator), Adam, J. (Editor), Aldrian, A. (Editor), Altendorfer, M. (Editor), Curtis, A. (Editor), Dobra, T. (Editor), Friedrich, K. (Editor), Kandlbauer, L. (Editor), Lorber, K. (Editor), Möllnitz, S. (Editor), Nigl, T. (Editor), Sarc, R. (Editor), Sattler, T. M. (Editor), Viczek, S. A. (Editor), Höllen, D. (Editor), Weißenbach, T. (Editor) & Wellacher, M. (Editor), 11 Dec 2020, 200 ed. Leoben. 1000 p.

    Research output: Book/Report › Book › Transfer

  32. Published

    Reifegradanalyse zum Einsatz von Datenanalytik in der sensorgestützten Sortierung

    Friedrich, K. & Fritz, T., 11 Dec 2020, Recy & DepoTech 2020: Konferenzband zur 15. Recy & DepoTech-Konferenz. 200 ed. Leoben, Vol. 15. p. 211-220 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Chapter › Research

  33. Published

    Influence of material alterations and machine impairment on throughput related sensor-based sorting performance

    Küppers, B., Schlögl, S., Friedrich, K., Lederle, L., Pichler, C., Freil, J., Pomberger, R. & Vollprecht, D., 1 Jul 2020, In: Waste management & research. 39.2020, 1, p. 122-129 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  34. Published

    Benchmark analysis for plastic recyclates in Austrian waste management

    Friedrich, K., Möllnitz, S., Holzschuster, S., Pomberger, R., Vollprecht, D. & Sarc, R., Mar 2020, In: Detritus. 9, March, p. 105-112 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  35. 2019
  36. Published

    Benchmark Analysis for Recycled Glass in Austrian Waste Management

    Friedrich, K., Holzschuster, S., Pomberger, R. & Aldrian, A., 18 Oct 2019. 14 p.

    Research output: Contribution to conference › Paper

  37. Published

    Benchmark Analysis for Plastic Recyclates in Austrian Waste Management

    Friedrich, K., Holzschuster, S. & Höllen, D., 30 Sept 2019. 8 p.

    Research output: Contribution to conference › Paper

  38. Published

    Influences and Consequences of Mechanical Delabelling on PET Recycling

    Küppers, B., Chen, X., Seidler, I., Friedrich, K., Raulf, K., Pretz, T., Feil, A., Pomberger, R. & Vollprecht, D., 24 May 2019, In: Detritus. 2019, 6, p. 39-46 8 p.

    Research output: Contribution to journal › Article › Research › peer-review

  39. Published

    Sensorgestützte Sortierung von Leichtgut aus der Schwimm-Sink-Trennung einer Baurestmassenfraktion mittels Nahinfrarotspektroskopie

    Friedrich, K., 14 Mar 2019, 9. Wissenschaftskongress: Abfall- und Ressourcenwirtschaft. Amberg-Weiden: Innsbruck Univ. Press, Vol. 9. p. 35 - 39 5 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  40. 2018
  41. Published

    Recyclingquoten für Kunststoffe

    Friedrich, K. & Tschiggerl, K., 7 Nov 2018.

    Research output: Contribution to conference › Poster › Research

  42. Published

    Recyclingquoten für Kunststoffe: Ist eine Quotenerfüllung nach aktuellen gesetzlichen Vorgaben zur nachhaltigen Verwertung von Kunststoffen ausreichend?

    Friedrich, K. & Tschiggerl, K., 7 Nov 2018, Recy & DepoTech 2018: POSTER-Konferenzband zur 14. Recy & DepoTech-Konferenz. Leoben, Vol. 14. p. 75-80 6 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  43. Published

    Recy & DepoTech 2018: VORTRÄGE-Konferenzband zur 14. Recy & DepoTech-Konferenz

    Pomberger, R. (Co-editor), Adam, J. (Co-editor), Aldrian, A. (Co-editor), Kranzinger, L. (Co-editor), Lorber, K. (Co-editor), Neuhold, S. (Co-editor), Nigl, T. (Co-editor), Pfandl, K. (Co-editor), Sarc, R. (Co-editor), Schwarz, T. (Co-editor), Sedlazeck, P. (Co-editor), Wellacher, M. (Co-editor), Curtis, A., Friedrich, K., Küppers, B., Möllnitz, S., Rutrecht, B., Sattler, T. M., Viczek, S. A. & Höllen, D. & 1 others, Weißenbach, T., Nov 2018, 1 ed. Leoben. (Recycling & Abfallverwertung, Abfallwirtschaft & Ressourcenmanagement sowie Deponietechnik & Altlasten)

    Research output: Book/Report › Anthology › Research

  44. Published

    Recy & DepoTech 2018: POSTER-Konferenzband zur 14. Recy & DepoTech-Konferenz

    Pomberger, R. (Co-editor), Adam, J. (Co-editor), Aldrian, A. (Co-editor), Kranzinger, L. (Co-editor), Lorber, K. (Co-editor), Neuhold, S. (Co-editor), Nigl, T. (Co-editor), Pfandl, K. (Co-editor), Sarc, R. (Co-editor), Schwarz, T. (Co-editor), Sedlazeck, P. (Co-editor), Wellacher, M. (Co-editor), Curtis, A., Friedrich, K., Küppers, B., Möllnitz, S., Rutrecht, B., Sattler, T. M., Viczek, S. A. & Höllen, D. & 1 others, Weißenbach, T., Nov 2018, 1 ed. Leoben. (Recycling & Abfallverwertung, Abfallwirtschaft & Ressourcenmanagement sowie Deponietechnik & Altlasten)

    Research output: Book/Report › Anthology › Research

  45. 2017
  46. Published

    ISO 55001 Assessment

    Friedrich, K., 25 Nov 2017

    Research output: Book/Report › Commissioned report › Research

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