Application of triboelectric separation to improve the
· 1. Introduction. An increasing rate of 20–25 million tons per year is noted in the global production of waste electrical and electronic equipment (WEEE) as a result of the frequent upgrade and high performance requirements of electrical and electronic equipment (Robinson, 2009).Waste printed circuit boards (WPCBs), which account for more than 3% of electronic waste, are a thorny problem …
Completely separating metals and nonmetals from waste
· Completely separating and recovering metals and nonmetals from waste printed circuit boards (WPCBs) is key to e-waste recycling. Here we proposed a novel approach, slurry or suspension electrolysis, to separate metals and nonmetals from WPCBs. The factors that impact the separation rate during the slurry electrolysis were discussed in detail.
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The key technology of waste sorting line is to organically integrate different breaking and dissociation equipment to various waste and used printed circuit board so as to achieve the maximum energy-saving effect and high metal separation rate. And the municipal waste recycling plant is equipped with programmable controller in the whole process .
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E-waste Precious Metal Refining Solution | Precious Metal
The recycling rate of precious metal (gold, silver, palladium and platinum) can reach up to 97% – 99%. The purity of precious metal is up to 99.99%. The operation process of E-waste precious metal recycling production line is with high degree of automation, saving human cost to a large extent.
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The Emerging Environmental and Public Health Problem
tubes (CRTs), printed circuit board, compact discs, headphones, and white goods such as liquid crystal displays (LCD)/plasma televisions, etc. E-waste management poses a great challenge due to growing quantities of waste. E-waste is one of the most complex waste streams due to a wide variety of products including assembled or
E-waste crisis: Cities look for right answersThe
· Risky and rudimentary ways of metal recovery from open burning of e-waste components such as circuit boards and wires have choked the city, …
What Factors will Affect the Sorting Efficiency of Copper
The copper wire recycling machine mainly uses various lines, wires, cables, electric car lines, automobile lines, wool lines, network lines, communication lines, square lines and other used lines to pass through the crushing-wind selection-separation. Copper wire recycling is separated. The copper sorting rate of copper wire recycling machine is often affected by five factors, and then we will .
(PDF) Generation of copper rich metallic phases from waste
Generation of copper rich metallic phases from waste printed circuit boards Article (PDF Available) in Waste Management 34(10) · October 2014 with 470 Reads DOI: 10.1016/j.wasman.2014.05.004
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E-waste precious metal refining system is designed to refine and recover precious metals like gold, silver, palladium(Pd) and platinum(Pt) from electronic waste (e-waste) like circuit boards, including CPU, RAM, pins, and other computer components. E-waste is classified as hazardous material therefore should be managed properly.
Publication Date : 25 June 2014 Proper disposal
52 Proper disposal treatment for printed circuit board waste: the developoment of pyrolysis based recycling technology [ Songpol Boonsawat ] Abstract—Disposal treatments of printed circuit board .
A review of the recycling of non-metallic fractions of
· A review on potential reuse of recovered nonmetallic printed circuit board waste. Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS) 2011; 2 (6):946–951. Sohaili J, Muniyandi KS, Mohamed SS. A review on printed circuit boards waste recycling technologies and reuse of recovered nonmetallic materials.
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A Literature Review on Mechanical Properties of E-
Recycling is the major way to dispose E-waste materials. Replacing the E-waste into the useful products is the major challenging process. Printed Circuit Board (PCB) which holds a majority share in E-waste is most hazardous when dumped into water, air and land. So we are in need to reuse or recycle the e-waste into some useful materials.
A review on various electronic waste recycling
A review on various electronic waste recycling techniques and hazards due to its improper handling. caused by such e-waste, followed by various recycling and recovery techniques of metal and non-metallic fractions of waste PCB and their reusability.