Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 515005
Title A methodical approach for the assessment of waste sorting plants
Author(s) Feil, Alexander; Pretz, Thomas; Vitz, Philipp; Thoden van Velzen, Ulphard
Source Waste Management and Research 35 (2017)2. - ISSN 0734-242X - p. 147 - 154.
DOI https://doi.org/10.1177/0734242X16683270
Department(s) Supply Chain & Information Management
Publication type Refereed Article in a scientific journal
Publication year 2017
Keyword(s) assessment - back-calculation - beverage cartons - decision tree - modelling - sample taking options - separation coefficient - Waste sorting plants - yield
Abstract

A techno-economical evaluation of the processing result of waste sorting plants should at least provide a realistic assessment of the recovery yields of valuable materials and of the qualities of the obtained products. This practical data is generated by weighing all the output products and sampling these products. Due to the technological complexity of sorting plants, for example, lightweight packaging waste treatments plants and the high expenditures concerning time and costs of sampling with subsequent manual sorting for quality determination, usually only final products undergo such an investigation. Thereby, the transferability of the results depends decisively on the boundary conditions (extent, throughput of the plant, process parameterization). Given that the process is too complex, not all relevant information of the process steps can be determined by sampling. By model calculations and/or adjustment of reasonable assumptions, information concerning weak points in the process can be identified, which can be used for further plant optimization. For the example of the recovery of beverage cartons from co-collected and mechanically recovered mixtures of lightweight packaging waste, a methodical approach for the assessment of processing results will be presented.

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