High‐throughput dielectrophoretic separator based on printed circuit boards
Sign Up to like & getrecommendations! Published in 2022 at "ELECTROPHORESIS"
DOI: 10.1002/elps.202200131
Abstract: The separation of particles with respect to their intrinsic properties is an ongoing task in various fields such as biotechnology and recycling of electronic waste. Especially for small particles in the lower micrometer or nanometer… read more here.
Keywords: circuit boards; separator based; printed circuit; separation ... See more keywords
Using convolutional neural networks for character verification on integrated circuit components of printed circuit boards
Sign Up to like & getrecommendations! Published in 2019 at "Applied Intelligence"
DOI: 10.1007/s10489-019-01486-5
Abstract: Manufacturers of printed circuit boards (PCBs) typically use automated optical inspection (AOI) machines to test their PCBs. However, AOI machines employ conventional image-processing methods. If the integrated circuit (IC) components are not identical to the… read more here.
Keywords: image; character verification; circuit; circuit boards ... See more keywords
Bioleaching of copper from large printed circuit boards for synthesis of organic-inorganic hybrid
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-019-07244-x
Abstract: The present study described a process for copper (Cu) bioleaching from waste printed circuit boards (PCBs). The 45 (± 0.18) mg/g Cu was found in waste PCBs. Acidiphilium acidophilum (NCIM 5344) ( A. acidophilum ) and… read more here.
Keywords: organic inorganic; copper; circuit boards; inorganic hybrid ... See more keywords
Pyro-Refining of Mechanically Treated Waste Printed Circuit Boards in a DC Arc-Furnace
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sustainable Metallurgy"
DOI: 10.1007/s40831-018-0167-3
Abstract: This paper presents the results of theoretical assessment and a preliminary experimental investigation of the modified pyrometallurgical processing of metallic granulate obtained after mechanical treatment of waste printed circuit boards (WPCBs). The studied two-step process… read more here.
Keywords: phase; waste printed; furnace; circuit boards ... See more keywords
Evaluation of Fluidization Process for Recovery of Metals from Discarded Printed Circuit Boards
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sustainable Metallurgy"
DOI: 10.1007/s40831-019-00242-w
Abstract: Technological advancements and the ever-increasing demand for the latest electronic gadgets lead to the huge generation of waste. Printed circuit boards are key connecting components of any electronic device, and the presence of significant metallic… read more here.
Keywords: circuit boards; discarded printed; printed circuit; fluidization ... See more keywords
Predicting delamination in multilayer composite circuit boards with bonded microelectronic components
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.11.026
Abstract: Abstract The present work developed a mixed-mode cohesive zone model (CZM) with a mode I failure criterion to predict the delamination bending loads of multilayer, composite printed circuit boards (PCBs) assembled with soldered ball grid… read more here.
Keywords: delamination; multilayer composite; circuit boards; pcb ... See more keywords
Investigating critical parameters for bioremoval of heavy metals from computer printed circuit boards using the fungus Aspergillus niger
Sign Up to like & getrecommendations! Published in 2020 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2020.105464
Abstract: Abstract In this article, bioleaching of computer printed circuit boards (CPCBs) was examined using Aspergillus niger with one-step, two-step, and spent-medium bioleaching methods. Four effective parameters were optimized using response surface methodology (RSM) to achieve… read more here.
Keywords: aspergillus niger; recovery; computer printed; circuit boards ... See more keywords
Synthesis of copper-tin nanoparticles from old computer printed circuit boards
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2016.11.017
Abstract: Abstract This study investigates and verifies the selective thermal transformation of metals within e-waste to; achieve – for the first time – the direct production of value-added Copper-Tin (Cu-Sn) nanoparticles and the simultaneous separation out… read more here.
Keywords: copper tin; tin nanoparticles; waste; circuit boards ... See more keywords
Dismantling and electrochemical copper recovery from Waste Printed Circuit Boards in H2SO4–CuSO4–NaCl solutions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.05.112
Abstract: Abstract The worldwide growing of electrical and electronic equipment makes increasingly urgent to find environmentally friendly treatments for e-waste. In this paper, the attention has been focused on i) the eco-friendly dismantling of the electronic… read more here.
Keywords: waste printed; circuit boards; copper; printed circuit ... See more keywords
Recycling gold from printed circuit boards gold-plated layer of waste mobile phones in “mild aqua regia” system
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2020.123597
Abstract: Abstract Traditional mechanical pretreatment and hydrometallurgy is the mainstream technology to recycle gold from waste printed circuit boards (PCBs). However, this method is cumbersome and often employs toxic/harsh chemicals. In the present study, gold was… read more here.
Keywords: system; waste; gold plated; circuit boards ... See more keywords
High-resolution continuum source graphite furnace atomic absorption spectrometry determination of ecotoxic and precious metals in printed circuit boards of waste mobile phones after selective sorption
Sign Up to like & getrecommendations! Published in 2020 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2019.103623
Abstract: Abstract Waste printed circuit boards (PCBs) contain high amounts of valuable precious metals (PMs) as well as ecotoxic elements (TE). Recycling waste PCBs enables the recovery of precious metals minimize harm to the environment caused… read more here.
Keywords: mobile phones; determination; circuit boards; waste mobile ... See more keywords