Karl Friedrich

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

Gerald Koinig, Karl Friedrich, Bettina Rutrecht et al. · Waste Management · 2022 · 25 citations · Full text

Optical Materials, Engineering, Optical Testing +19

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

Karl Friedrich, Gerald Koinig, Roland Pomberger et al. · MethodsX · 2022 · 22 citations · Full text

INFLUENCES AND CONSEQUENCES OF MECHANICAL DELABELLING ON PET RECYCLING

Bastian Küppers, Xiaozheng Chen, Irina Seidler et al. · Detritus · 2019 · 18 citations · Full text

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

Bastian Küppers, S.M. Schlögl, Karl Friedrich et al. · Waste Management & Research The Journal for a Sustainable Circular Economy · 2020 · 18 citations · Full text

Engineering, Measurement, Industrial Engineering +16

BENCHMARK ANALYSIS FOR PLASTIC RECYCLATES IN AUSTRIAN WASTE MANAGEMENT

Karl Friedrich, S. Möllnitz, Stephan Holzschuster et al. · Detritus · 2019 · 17 citations · Full text

Chemical Engineering, Polymer Upcycling, Engineering +12