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Open AccessArticle

Metals Recovery from Artificial Ore in Case of Printed Circuit Boards, Using Plasmatron Plasma Reactor

Measuring Systems Division, Industrial Research Institute for Automation and Measurements, Warszawa PL02-486, Poland
Academic Editor: Anke Weidenkaff
Materials 2016, 9(8), 683; https://doi.org/10.3390/ma9080683
Received: 6 May 2016 / Revised: 12 July 2016 / Accepted: 2 August 2016 / Published: 10 August 2016
(This article belongs to the Section Manufacturing Processes and Systems)
This paper presents the investigation of metals production form artificial ore, which consists of printed circuit board (PCB) waste, processed in plasmatron plasma reactor. A test setup was designed and built that enabled research of plasma processing of PCB waste of more than 700 kg/day scale. The designed plasma process is presented and discussed. The process in tests consumed 2 kWh/kg of processed waste. Investigation of the process products is presented with their elemental analyses of metals and slag. The average recovery of metals in presented experiments is 76%. Metals recovered include: Ag, Au, Pd, Cu, Sn, Pb, and others. The chosen process parameters are presented: energy consumption, throughput, process temperatures, and air consumption. Presented technology allows processing of variable and hard-to-process printed circuit board waste that can reach up to 100% of the input mass. View Full-Text
Keywords: metals recovery; artificial ore; waste treatment; printed circuit boards; plasma technology; plasmatron; recycling metals recovery; artificial ore; waste treatment; printed circuit boards; plasma technology; plasmatron; recycling
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Szałatkiewicz, J. Metals Recovery from Artificial Ore in Case of Printed Circuit Boards, Using Plasmatron Plasma Reactor. Materials 2016, 9, 683.

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