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Developing the combined magnetic, electric and air flow (KLME) separator for RMSW processing.

J Faitli1, B Csőke1, R Romenda1

  • 11 Institute of Raw Materials Preparation and Environmental Processing, University of Miskolc, Hungary.

Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA
|April 25, 2018
PubMed
Summary
This summary is machine-generated.

A new mechanical-physical processing plant for residual municipal solid waste (RMSW) features the KLME separator, combining magnetic, electric, and air flow technologies. Pilot testing of this innovative waste sorting system yielded valuable data for industrial-scale design.

Keywords:
KLME separatorNon-selectively collected residual municipal solid wasteair flow separatorrecoveryseparation efficiencyyield

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Area of Science:

  • Waste Management and Recycling
  • Mechanical Engineering
  • Environmental Science

Background:

  • Non-selectively collected residual municipal solid waste (RMSW) presents significant disposal challenges.
  • Effective sorting technologies are crucial for resource recovery and waste reduction.
  • Existing separation methods often require complex configurations and multiple stages.

Purpose of the Study:

  • To develop and pilot-test a novel mechanical-physical processing plant for RMSW.
  • To design and evaluate the performance of the KLME (combined magnetic, electric, and air flow) separator.
  • To optimize waste sorting technology for improved yield and efficiency.

Main Methods:

  • Extensive sampling and analysis of RMSW and waste electrical and electronic equipment (WEEE) were conducted.
  • Laboratory-scale research and development preceded the construction of a pilot-scale KLME separator (1.5 ton/h).
  • Systematic pilot-scale testing involved 18 different technological setups with continuous on-site modifications.

Main Results:

  • The KLME separator successfully processed RMSW, producing five distinct output streams: foils, light materials, magnetic materials, conductive materials, and heavy inert materials.
  • Pilot testing demonstrated the feasibility of integrating magnetic, eddy current, and air flow separation without traditional conveyors.
  • Continuous improvements based on testing data led to enhanced performance and yield.

Conclusions:

  • The developed KLME separator technology is a promising advancement for the mechanical-physical processing of RMSW.
  • The pilot-scale testing provided crucial insights for the design of an industrial-scale waste sorting facility.
  • This integrated approach offers a more efficient and potentially cost-effective solution for waste management and resource recovery.