IART staff member since: 2013

Degree (date, PhD and topic):

• 2006: Degree in Industrial Engineering from the Technical University of Freiberg
• 2017: PhD from the Faculty of Mechanical Engineering at the Technical University of Freiberg on the topic ‘Contribution to the classification of lumpy municipal waste in trommel screening machines’

• M.Sc. Julius Eik Grimmenstein (2021 Master’s in Lightweight Construction from Chemnitz University of Technology)
• M.Sc. Eric Trebeck (2021 Master’s in Environmental Engineering at the Technical University of Freiberg)
• Dr.-Ing. Mareen Zöllner (2019 Dr.-Ing. in Mechanical Engineering at the Technical University of Freiberg)
• M.Sc. Adrian Valenas (2021 Master’s in Materials Science at the University of Erlangen-Nuremberg (FAU))
• Dipl.-Ing. Laura Hunger (2022 Diploma in Process Engineering at the Technical University of Freiberg)
• Dipl.-Ing. Christine Hecker (1987: Dipl. in Process Engineering/Silicate Technology from the HAB Weimar

• KoLibri: Complex lightweight structures for electronic applications in the mobility sector (Principal investigator: J. Grimmenstein)
• Gabriela: Holistic approach to plastic recycling pathways for resource-efficient and recyclable lightweight battery casings (Project leader: L. Hunger)
• CircEcon: Research Centre for Greenhouse Gas-Neutral Circular Economy (Principal Investigators: C. Hecker and Dr M. Zöllner)
• EACplus: Sustainable Electric Architecture Casings (Principal Investigator: Dr T. Krampitz)

• Li-batteries, specifically LiFePo:
  • Development of suitable pre-treatment methods for safe handling
  • Training on handling defective batteries and procedures in the event of a fire
  • Recovery and recycling of LiFePo for further utilisation
  • Processing of metal foils with recovery of the coating and upcycling of the metal foils
• Fine grinding and use in additive manufacturing (ductile metals such as copper or renewable raw materials such as wood and straw) from various waste sources
  • Research into the taxonomic conformity of products (examples in the mobility sector: electric motors, battery enclosures, inverters) 
  • Model development to demonstrate recyclability
  • Establishment of recycling routes with proof of functionality
  • Derivation of design proposals (circular design)
  • Demonstration of ease of disassembly and repair at our own IART disassembly station and using the IART verification concept
  • Material data sheets for verifying the recyclability of materials to prevent the carry-over of hazardous substances and thus ensure compliance with the REACHRegulation, as well as verification of sufficient properties for recycling (Material Circularity Indicator)
  • Design guidelines for circular design
  • Removal of barriers to closing material loops
• Plastics recycling
  • Sensor-based quality management for colour recognition and interpretation
  • Development of AI- and sensor-based sorting by plastic type, shape and colour
  • Sorting of black plastics (PA, PP) with various fillers or fibre reinforcement (GRP, CFRP)
  • Delamination of metallised plastics with a recovery scenario (chromium, copper)
• Automated, robot- and AI-assisted material stream channelling
  • Test rig for sensor-based sorting (metal detector, image recognition, laser scanning)
  • Dynamic image recognition of objects and markings linked to the digital product passport
• Processing of electronic waste with a focus on the recovery of neodymium magnets
  • Process development for dismantling and demagnetisation
  • Mechanical processing and recovery of neodymium magnets
• Recycling of porous and carbon concrete as building materials, as well as the processing of concrete itself
• Lightweight structures in plastic and metal construction with various reuse scenarios
  • Processing and sorting of aluminium alloys
  • Metallised polymer foams
  • Fibre-reinforced plastics such as GRP or CFRP
  • Hybrid systems and layered composites
• Recycling concepts for machinery and plant used in the energy transition
  • Generators, electric machines, inverters
  • Wind turbine blades made of GRP and CFRP, as well as hybrid composites and epoxy resin
• Machine development for shredding machines

  • Design and adaptation of shredding tools for plastics, both fibre-reinforced and non-fibre-reinforced

• Machinery and processes in the pilot plant
  • Technology for composite processing
  • Shredding of brittle and non-brittle materials, ranging from coarse shredding to fine grinding
  • Classification and screening (ZZ classifier and channel wheel classifier)
  • Automated multi-sensor-based sorting
  • Agglomeration (structural and press agglomeration)

  • Dismantling area

• Course:
  • Material recycling (waste management)
  • Sorting processes
  • Crushing of non-brittle materials
  • Recycling plants and material flows

IART staff member since: 2019

Degree (date, PhD and topic): 

• 2010: Degree in Mechanical Engineering from TU Dresden
• 2018: PhD from the Faculty of Mechanical Engineering at TU Dresden on the topic ‘Methods for assessing and monitoring the stability and overturning resistance of mobile machinery’

• Peter Eitz, Dipl.-Ing. (2021: Diploma in Mechanical Engineering from the TU Bergakademie Freiberg)
• Oliver Schindler, M.Sc. (2021: Master’s in Mechanical Engineering from the TU Bergakademie Freiberg)

• Li4Life (Project leaders: P. Eitz and M. Mezzetti)
• BeBreSaRec – The ‘BeBreSaRec’ project focuses on the high-quality recycling of concrete crushing sand (Project lead: O. Schindler)
• Large-scale grinding cycle test rig (Project lead: O. Schindler)
• Apprenticeship training and technical field trips

• Methodology and technology development, condition monitoring, predictive maintenance for autonomous mobile machinery in deep-sea operations – winner of the 2022 bauma Innovation Award in the Research category
• Innovative grinding and classification cycles using a roller mill for the primary and secondary raw materials sector
• Cross-domain, multiphysics simulation in the field of comminution and classification machinery using MATLAB/Simulink, flow sheet simulation using Dyssol
• Teaching:
  • Dr Zinke holds teaching posts in the courses on steel construction, processing plants for mineral materials, maintenance and maintenance engineering;
  • he is also responsible, as a seminar leader, for the practical sessions and laboratory work on coarse and fine crushing machinery, classifying and mixing machinery, sorting machines, conveyor technology, structural steelwork, maintenance, classifying machines/crushers/mills)
• Planning and organisation of national and international field trips in the field of processing machinery and conveyor technology (Destinations: Sweden, Finland, Spain, Bulgaria, Germany)

Research Associate at IART since 2022

Degree (date, PhD and topic):

• 2011: Degree in Mineralogy, Geochemistry and Petrography from Saint Petersburg Mining University, Russia
• 2015: PhD from Saint Petersburg Mining University, Russia on the topic ‘Mineralogical and geochemical characteristics of the platinum alluvial formations of the Svetloborsky and Nizhnetagilsky massifs, Urals’

• Dr.-Ing. Oleg Popov (2007 PhD at the TU Bergakademie Freiberg)
• Dipl.-Ing. Laura Hunger (2022 Diploma Process Engineering at the TU Bergakademie Freiberg)
• Dipl.-Geol. Arturo Hernán Bravo Méndez

• Mineralogical support for ongoing projects
• Analysis of the fundamentals of selective comminution based on the mineralogical and technical properties of raw materials (closed)

• Development of a methodology for processing regenerated dust from spent foundry sand using a deflector wheel classifier
• Predictions regarding selectivity in comminution, tool wear, energy requirements, etc. depending on the machine type and the design and operational parameters of the comminution units, based on methods of quantitative microstructure analysis (QMA) of mineralogical structures, supported by the analysis of Palmqvist cracks following micro-indentation
• Investigations into the mechanical properties of materials, such as fracture toughness and Vickers hardness, at the micro-/nanometre scale (including micro- and nanotomography)
• Digitisation of material flows: Cleaning of gravel and sand whilst simultaneously recovering valuable associated minerals using hyperspectral photography
• Characterisation of ores and rocks through the application of quantitative microstructural analysis
• Identification and classification of ores and their deposits for crushing in various crushing machines
• Influence of the microstructure of ores on processing, development of strategies for selective processing
• Determination of microhardness according to Vickers and fracture toughness
• Mineral Liberation Analyser (MLA)
• Determination of strength using a small point-load testing device
• Investigation of the abrasiveness and breakability of ores (LCPC test)

IART staff member since: December 2022

Degree (date, PhD and topic): 

2010: Master of Engineering (Dipl.-Ing.) in Mechanical Engineering from Chemnitz University of Technology

2020: PhD from the Faculty of Mechanical Engineering at Chemnitz University of Technology on the topic: ‘Microstructural and hardness development during laser beam treatment of high-alloy tool steels’

• M.Sc. Margarita Mezzetti
• Dr.-Ing. Philipp Niebel (2021: Graduate in Mechanical Engineering from TU Dresden)
• M.Sc. Harshal Pawase
• Dipl.-Ing. Christine Hecker (1987: Diploma in Process Engineering/Silicate Technology from the HAB Weimar)

• up_cement — Emissions reduction through the reactivation of cement stone from recycled concrete
• RecyBau - BeBreSaRec — Development of a wet grinding process to separate cement paste from fine aggregate to produce high-quality recycled crushed sand
• Li4Life
• Support for simulation tasks (DEM, FEM, CFD, KNN, DoE) in ongoing projects

• Electrical pulse comminution (EPC) (In charge: M.Sc. M. Mezzetti): 
  • Stress analysis of primary and secondary raw materials using the electro-pulse method
  • Electro-hydraulic comminution (EHZ)
• Crushing of waste concrete for processing
• Mechanical and thermal analyses (mechanical: e.g. Vickers hardness, point-load test; thermal: TGA/DSC, density, etc.)
• Innovative methods for sieve classification and screening
• Numerical modelling of various processes in the field of processing machinery and recycling systems technology
• Application of various numerical methods, such as the Discrete Element Method (DEM), Computational Fluid Dynamics (CFD), Finite Element Method (FEM)
• Parameter determination and characterisation for numerical simulations
• Application of artificial neural networks (ANN) in the field of processing machinery and recycling systems engineering

Teaching:

• Course on dust extraction systems
• Practical sessions within the lecture series: Materials Handling, Conveyor Technology and Maintenance
• Practical sessions for the lectures ‘Fine-grinding Machinery’ and ‘Agglomerators’
• Supervision of student projects