The growing problem of stockpiled waste LCD TVs across Europe is being addressed by
a partnership of researchers, recyclers and engineers with the invention of the ALR3000TM machine, able to processes 60 LCD screens per hour.
Dubbed the ReVolv Project, the partners noted that the WEEE recycling industry is in urgent need of an efficient and low-cost LCD recycling process to help it comply with the WEEE Directive.
The Votechnik ALR 3000 is claimed to fill the gap in this market; it is a fully automated, high through-put technology designed to meet the WEEE Directive recycling rates.
The ReVolv project will also allow the upscaling and commercialisation of the ALR 3000, which is designed for LCD panel depollution to enable further downstream recycling. It its a two-year initiative funded by CIP Eco-innovation.
A commercial full-scale unit has been developed across a three-year Eco-innovation project called ReVolv, by a consortium led by Votechnik and the University of Limerick.
LCDs contain hazardous substances and are currently largely disassembled manually, making the process slow and expensive and resulting in the stockpiling of LCD screens at recycling plants across Europe. LCDs are subject to an EU Directive that stipulates that the mercury and liquid crystals must be removed, so it is essential that they are treated correctly.
Globally, there were 217 million LCD televisions sold up to the end of 2013. These have an expected lifespan of around 8 years which means these products are now in the waste stream and requiring treatment.
Coping with Complexity
LCD TVs and monitors have a complex internal structure; consisting of a casing, base stand, cables, liquid crystal panel and electronic components.
The liquid crystal panel itself comprises two glass plates with the liquid crystals contained inside. This structure has previously made manual disassembly the only solution but the introduction of the ALR3000TM to the market is set to change this and make LCD recycling economically viable.
The machine is claimed to quickly and safely remove components containing hazardous substances from the LCDs, such as mercury containing lamps, and presents the separate fractions of the non-hazardous materials ready for recycling. These materials include in-demand critical raw materials like indium and other valuable materials, for instance the plastics contained in the screens.
ReVolv said that it has developed all the necessary technical instructions and specifications for operating and manufacturing the ALR3000TM. Based on users’ requirements and a thorough analysis of the market, the legal framework and the environmental impact, a business and exploitation plan has been developed.
Discussing the end of project results last week in Brussels, Project Leader Dr. Lisa O’Donoghue said: “This new technology has been the result of three years of focussed work and collaboration. The machine has been thoroughly tested during this development phase and has been found to perform extremely well in all conditions.
‘We are now talking with recyclers that are wanting to seize the opportunity presented by the mountain of waste LCDs and hope to see a number of ALR3000TM in operation by the end of the year.”
The technology is currently being demonstrated in Ireland and is available for potential customers to see in action.
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