Contract processing

Determination of input specifications
  • Initial measurement: spectral determination for the identification of sample components.
  • Screening: density fraction analysis; determination of proportions of plastics, metal, glass, etc.
  • Identification of individual compounds: density fraction analysis and spectroscopic methods; determination of plastic types and their proportions.
  • Determination of selected plastic types: adaptation of methodology and extraction process according to the determined specifications.

Physicochemical analyses
  • Determination of residual (surface) moisture and lipophilic compounds (oils, fats, waxes, surfactants, etc.)
  • Determination of ashing residues (filler content), bulk density, and melt flow index (MFI)
  • Determination of the proportion and distribution of GF, by means of density fraction analysis (DFA)
  • Determination of halogenation level (chlorine, bromine, fluorine), and contaminations by e.g. paper, (heavy) metal, wood / organic matter, …
  • Grain-size analyses, optical characterisations including spectroscopic imaging, etc.

Process analysis of separation technology
  • Determination of input specifications
  • Ongoing live control of process stability and separation quality
  • Assessment of the recycling process in terms of: selectivity; yield; product degradation; etc.
  • Qualitative and quantitative analysis of separated fractions
  • Determination of product purity via continuous, thorough quality control

Consulting & evaluation
  • Evaluation of the composition of plastic compounds; advisement on the practical implications of this information and its implementation
  • Consultation on topics including: product purities; separability of various compounds; process methodology and analytics; the use of recyclate materials in extrusion / injection moulding processes, etc.
  • Consultation on recycling process control and optimisation; from a holistic overview perspective down to granular inspection of method details
  • Evaluation of various recycling processes: density separation (hydrocyclone, float-sink, centrifugal), electrostatics, automatic or manual sorting (colour / IR optical sorting)
(Contract) processing & separation
  • Production wastes arising from industrial systems involving plastic components
  • Remediation of: silo contaminations; accidental admixtures during processing; damages incurred during grinding / comminution operations; …
  • Post-consumer wastes arising from non-industrial sources
  • Non-exhaustive selection of plastic compounds recovered by ATP’s separation processes:

PP & PVC;    PP & PPO;      PP & PA;    PS & SAN;
PA & PET;    PA & POM;     PC & PBT;  PC-ABS & TPU;
ABS & PA;   ABS & PVC;   ABS & elastomers