Karl Friedrich

Research output

  1. 2022
  2. 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 journalArticleResearchpeer-review

  3. 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 journalArticleResearchpeer-review

  4. Published

    The Bulk and the Properties of Interest

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

    Research output: Other contributionResearch

  5. 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 journalArticleResearchpeer-review

  6. 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 journalArticleResearchpeer-review

  7. 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 journalArticleResearchpeer-review

  8. Published
  9. 2021
  10. 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 proceedingConference contribution

  11. 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 journalArticleResearchpeer-review

  12. 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 proceedingConference contribution