{"id":3006,"date":"2018-01-11T06:46:04","date_gmt":"2018-01-11T06:46:04","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=3006"},"modified":"2018-01-11T06:46:04","modified_gmt":"2018-01-11T06:46:04","slug":"aluminium-dross-recycling","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/ar\/aluminium-dross-recycling\/","title":{"rendered":"\u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0648\u064a\u0631 \u062e\u0628\u062b \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645"},"content":{"rendered":"

Aluminium Dross Recycling – A New Technology for Recycling Aluminium Waste<\/p>\n

Background
\nThe worldwide aluminium industry produces nearly five million tonnes of furnace waste each year. Known as dross, the residual waste material is produced from any process in which aluminium is melted, and is left behind after conventional recycling has been carried out. Traditionally, black (which has a much higher salt content) and white dross is disposed of in landfill, costing the industry an estimated \uffe150 million, but tighter regulation and spiralling costs are forcing the industry to consider alternatives. One such solution, which could dramatically reduce landfilling of furnace waste and recover saleable products has been developed by aluminium recycling and manufacturing firm JBM International Ltd.<\/p>\n

Reasons to Recycle Dross
\nDeveloped as part of a major waste minimisation initiative backed by the UK Government and industry, the new treatment method makes it economically viable to treat residual waste left after conventional recycling, offering cost savings and environmental benefits. \u2018This process offers a means of reducing the amount of residual waste from primary and secondary aluminium manufacturers that ends up in landfill,\u2019 says Miles Brough, Managing Director of JBM International Ltd. \u2018It provides the industry with more choice of what to do with their waste products and because these waste products can be converted in saleable commodities these savings can be saved from the cost of production.\u2019<\/p>\n

\"Aluminium<\/p>\n

Evolution of the Dross recycling Technology
\nThe provision of a \uffe1409,000 grant from the Government\u2019s Waste Minimisation through Recycling, Recovery and Reuse in Industry (WMR3) LINK programme, and collaborations with experts in chemical engineering, metallurgy and mineralogy from the Brunel and Birmingham universities, helped the company find an economically viable solution to deal with their furnace dross. \u2018Every single furnace in the world produces a different kind of dross, characterised by what is being melted in the furnace,\u2019 explains Brough. \u2018We started by using variation analysis to characterise the whole spectrum of dross that we [the industry] produce. We tried to mix and match various wastes with which on their own, nothing can be done.\u2019<\/p>\n

How the Recycling Process Works
\nThe modular process combines novel separation methods, including a crushing system modified to handle a far broader range of dross, allowing virtually any type of dross to be processed. An eddy current separator then separates metals from non-metals. Its novel design incorporates a new kind of ridged belt system that separates very fine aluminium particles that would otherwise be lost. \u2018It\u2019s a very diverse process, which is modular in sequence,\u2019 says Brough. The length of the process depends on the quantity of material being processed and the final product being produced. Therefore, it can take as little as a few hours to as much as a day.<\/p>\n

\"\"<\/p>\n

From Pilot Plant to Commercialisation
\nThe two-year pilot scheme produced promising results and consequently led to the implementation of a full-scale production process<\/a>, which included the installation of four production units at the Hixon plant with the capacity to process 20,000 tonnes of white dross a year and recycle all the black dross produced by the company. \u2018Initially there was scepticism about the project from the aluminium industry,\u2019 explains Brough, \u2018but three years down the road we have proven the project is financially viable, and the figures speak for themselves. We are one of the few companies that are actually able to recycle these materials in a financially viable way.\u2019<\/p>\n

Advantages of the Recycling Process
\nUnlike existing processes that are very expensive and offer less financially viable solutions for the aluminium industry, JBM International has developed a process focused on providing a low-cost solution for processing aluminium waste. \u2018We are still a long way from utopia,\u2019 says Brough. \u2018The aluminium industry is increasingly burdened with more and more regulation on what it can and can\u2019t do with its waste. Anything the industry can do to reduce its waste output, whether it\u2019s in gases, particulates or landfill can only be a good thing, particularly when you can convert those into a saleable commodity.\u2019<\/p>\n

Saleable Products and Other Applications for the Process
\nUsing the new physical and separation process, Brough has already looked at producing saleable products for the powder metallurgy industry, which have been mainly granular. \u2018Initially there was a lot of trial and error,\u2019 explains Brough, looking back to the start of the project. \u2018For every one product that we were able to successfully market, there were probably a hundred applications that we failed on.\u2019 However, JBM International is now focusing on using the process to manufacture chemicals and chemical compounds. The process could also be applied to recycling other nonferrous metals, including zinc and copper.<\/p>\n

Interest in the Technology
\nThere has already been widespread international interest in the process, which is available under licence from UK foundry design engineers and aluminium specialists Mechatherm International Ltd. \u2018We\u2019ve seen huge improvements at JBM International\u2019s Hixon plant,\u2019 says Brough. \u2018We had to alter the way we processed this material to survive in the business. I believe the innovations that have occurred have ensured the longevity and continuity of the company.\u2019<\/p>\n

Further Developments
\nAs Brough points out, the aluminium industry must remain open-minded to change and continue to innovate itself, otherwise increased pressures on the industry will cause further closures. Since May 2002, JBM International\u2019s work has continued, and using further funding from a DTI recycling award, Brough is involved in a two-year project to develop a chemical pre-production prototype for refining.<\/p>\n

Summary
\nThe aluminium industry is becoming an increasingly difficult industry in which to succeed and companies can\u2019t afford to stand still. \u2018At this moment in time we are still miles away from where we want to be,\u2019 says Brough. However, this new treatment process offers a step in the right direction for the aluminium industry and a move closer to Brough\u2019s vision of utopia in which aluminium is recycled without any impact on the environment.<\/p>\n","protected":false},"excerpt":{"rendered":"

Aluminium Dross Recycling – A New Technology for Recycling Aluminium Waste Background The worldwide aluminium industry produces nearly five million tonnes of furnace waste each year. Known as dross, the residual waste material is produced from any process in which aluminium is melted, and is…<\/p>","protected":false},"author":1,"featured_media":3007,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"\nAluminium Dross Recycling-AdTech Metallurgical Materials Co.,Ltd.<\/title>\n<meta name=\"description\" content=\"Aluminium Dross Recycling - A New Technology for Recycling Aluminium Waste... 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