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electronic waste industry Applications

  • Waste gas treatment for the TFT industry

    Manufacturing TFT/LCD displays requires waste gas treatment as well. Processes that produce large scale Thinfilm Transistors (TFT) on glass substrates, for instance, use Chemical Vapour Deposition – CVD – to separate the thin films onto the material. The process requires cleaning the process chamber periodically and usually employs etching with NF3. Etching of the separated thin films typically utilises CF4, SF6 and chlorinated gases, which release large amounts of waste gas mixtures.

    By DAS Environmental Expert GmbH based in Dresden, GERMANY.

  • Waste gas treatment for the LED industry

    Market analysts predict sustained growth in demand in the LED industry. After LED backlighting for the small LC displays of mobile phones and the LC displays of larger screens in the television market, the next potential growth market is the lighting industry: Sales of LEDs in this market in 2012 are almost USD 3.5 billion – thus nearly doubling since 2010. Analysts are expecting a growth of more than USD 7 billion in 2014 and believe that the total market for LEDs should peak at USD 17.7 billion.* A mass market of this scale for LEDs also means increasing emissions that need to be abated by specific waste gas treatment systems at the point of use. In the manufacture of products based on innovative light emitting diode (LED) technology, ammonia and hydrogen are used in large quantities as process gases. The environmental engineers at DAS have recognised this market trend and developed new solutions such as LARCH for waste gas treatment in MOCVD processes.

    By DAS Environmental Expert GmbH based in Dresden, GERMANY.

  • Waste gas treatment for the semiconductor industry

    In the early 1990s no appropriate and comprehensive technical solution had been available for waste gas treatment in the semiconductor industry. Back then as well as today many industrial and research production procedures use process gases and generate waste gases. These waste gases, considered greenhouse gases, are toxic and/or highly flammable and very often pose a significant risk to production facilities and the environment. The semiconductor industry, for instance, uses perfluorocarbons, whose global warming potential is extremely high and therefore requires an efficient waste gas treatment. Combining and transporting different gases into a fab’s central waste gas system might produce highly flammable and highly explosive gaseous mixtures, which in the past has occasionally caused the total loss of entire production facilities. Particles contained within gases may also cause exhaust blockages. To eliminate these risks, process waste gases need to be treated at the “Point-of-Use” (POU) where harmful exhausts are abated immediately.

    By DAS Environmental Expert GmbH based in Dresden, GERMANY.

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    Electronic scrap shredding for the electronic waste management industry

    One of the greatest challenges facing our society is the reclamation of valuable raw materials from electrical and electronic scrap. A global scrap volume exceeding 40 million tonnes a year – a figure forecast to double by 2025 – presents both a challenge and an opportunity. Since even in Germany only some 40% of scrap is currently fed into a waste management process, we may assume that the global rate of waste management is still substantially lower. With additional support from WEEE Directive legislation, this represents enormous growth potential for recycling companies in all consumer-oriented markets.

    By Erdwich Zerkleinerungssysteme GmbH based in Kaufering, GERMANY.

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    Industrial air pollution control for the electronics and electrical industry

    The world`s appetite for electronic devices - from simple household appliances to sophisticated computers - has led to rapid growth of both these industries. Typically for the electronics industry, there are large waste gas streams (up to 400,000 Nm³/h) with relatively low concentrations of different solvents. The waste gases mainly occur in coating, cleaning and etching processes during the production of semiconductors, CDs/DVDs, Blue-ray discs, DVTs, TFT-LCD and plasma displays. The electronics industry has important standards to meet regarding environmental protection. CTP complies with these requirements: From zero emission goals, to installations on the roofs of production facilities.

  • Industrial shredders for WEEE/cables industry

    Since 2003 in Europe, the professionals of the sector of the electric and electronic components must organize dies of recovery, recycling or valorization of their called worn products WEEE (Waste Electrical and Electronic Equipment). Before the evolution of the legislation, Préciméca proposes since 1998 a machine (range 01-02) for the treatment of electronic cards. Large electric household appliances (ranges 50-02, 14-02, 17-02) with the Small household products (14-02, 12-02) to the data-processing components, you will find at Préciméca the machine adapted to your needs.

    By PRECIMECA Environnement based in Toulouse, FRANCE.

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    Waste Sorting - CRT Glass Sorting

    End of life TV sets and computer monitors require to be recycled to maximise the level of material recovery, and to meet the requirements of the EU WEEE Directive. CRT glass is the largest item by weight. However, because of the 2 different types of glass used in CRT manufacture, the glass fractions have to be sorted to achieve a separation of the 2 type of glass, i.e. panel glass sorted from funnel glass. X-TRACT separator is able to sort the panel glass from the funnel glass. It does it by comparing their different atomic densities, and analysing the data from the X-Rays using a bi-chromatic sensor system. X-TRACT is the first industrial application for any dry mechanical density sorting.

    By TOMRA Sorting (TITECH) based in Mülheim-Kärlich, GERMANY.

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    Water quality monitoring for semiconductor industry

    Water is fundamental to the manufacturing process in a semiconductor facility. Electronic components are rinsed or washed several times during the producing process with ultrapure water (UPW) to remove residue. Continuous monitoring of organic constituents (TOC) on the influent city water assist with UPW production. Good quality waste streams for the manufacturing process can also be monitored for reuse potential.

    By Real Tech Inc. based in Whitby, ONTARIO (CANADA).

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    Metal Sorting - Electronic Scrap Sorting

    The recycling of disused and obsolete electrical and electronic equipment is gaining more and more importance world-wide. Waste electrical equipment is an incredibly rewarding source of raw materials. In Waste electrical equipment, up to hundreds of times more precious metals can be found per ton of material than in the primary source of raw material, ore. The goal for TITECH and the industry as a whole is to utilise electronic scrap recycling and sort out pollutants on one hand and profitable components in high purity on the other. For electronic recycling purposes, the EU classifies W??? into 10 categories. After separate collection of TVs, fridges and so on, they are processed and sorted in electronic scrap recycling systems. The average content of thus gained materials is as follows: metals (50%), plastics (30%), glass (10%) and other materials (10%).

    By TOMRA Sorting (TITECH) based in Mülheim-Kärlich, GERMANY.

  • Oxygen Generating Systems for Waste Gas Treatment in the Semiconductor, PV and LED Industries

    Waste gas treatment is an often overlooked but important function of Semiconductor, PV and LED fabrication. Several serious accidents have taken place in factories where no abatement was installed. Even today waste treatment is often seen as a cost rather than a safety issue. There are three main reasons why waste gas treatment is installed in factories: health and safety, environmental factors, and quality control.

    By Oxygen Generating Systems Intl. (OGSI) based in North Tonawanda, NEW YORK (USA).

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    EH&S Regulatory Compliance Management for Electronics And Medical Devices

    Few industries face the mounting challenges and scrutiny of expanding environmental compliance requirements, ecological mandates, consumer expectations and NGO watch groups as much as electronics and medical device manufacturers. Even before the Sony PlayStation cadmium crisis, the entire supply chain has been inundated by an ever-expanding myriad of legislation, ranging from the EU Directives on waste electrical and electronic equipment (WEEE), the restriction of hazardous substances (RoHS) and the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) to US legislation on conflict minerals. The depth and amount of information that suppliers must access, evaluate, compile, integrate and disclose is growing exponentially.

    By 3E Company based in Carlsbad, CALIFORNIA (USA).

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    Removal of Non-Ferrous Metals in the Recycling Industry

    Non magnetic metals such aluminum + copper can be separated using eriez eddy current separators or meta sorters. Eriez equipment, either as individual units or complete systems, is designed for efficient + economical processing of municipal solid waste, co-mingled recyclables, shredded automobiles, Electronic Scrap, Glass Cullet, Plastic (PET), foundry sand and many other resource recovery options.

    By Eriez Magnetics Europe Ltd based in Bedwas, UNITED KINGDOM.

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    Removal of Ferrous Metals in the Recycling Industry

    Carbon steel metal can be separated from non-recyclables using Eriez magnetic separators.

    Eriez equipment, either as individual units or complete systems, is designed for efficient and economical processing of municipal solid waste, co-mingled recyclables, shredded automobiles, Electronic Scrap, Glass Cullet, Plastic (PET), foundry sand and many other resource recovery options.

    From permanent magnets to scrap drums and magnetic drums to metal detection for further material purity and feeding equipment, Eriez recycling team assists recycled material processors, material recycling facilities alike in improving product quality and recovering valuable commodity. 

    By Eriez Magnetics Europe Ltd based in Bedwas, UNITED KINGDOM.

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    Applications and Air Pollutants Removed in Hazardous, Solid and Liquid Waste Treatment Operations

    Venturi scrubbers with FORCE FLUX Condensation technology and Wet Electrostatic Precipitators for industrial, municipal, sewage sludge and pathological waste incinerators to remove micron, submicron particulate, heavy metals and acid gases. Special quencher/scrubber systems for dioxin removal. HCL scrubbing from PVC plastic waste burning. Fine particulate, acid gases and NOx removal on munitions destruction. Cleanup of all pollutants from liquid waste incinerators and other high temperature destruction processes. Acid and particulate emissions from electronic board and metals recovery operations.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

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    Reliable Shredding Technology for Metal-processing Industry

    Regardless of whether your metal waste comes from the metal-processing industry, automotive industry, electronics industry, waste industry or commercial production, we will always offer you the right shredding system for recycling your valuable resources! Metals are important raw materials for the industry and can be repeatedly returned to the recovered resource cycle with very little loss. The recycling of metals saves valuable raw materials and energy as opposed to the new processing of ores.  Our sturdy rotary shears that have been tried and tested a thousand times over, reliably and efficiently shred light metals such as aluminium, magnesium, Al-Mg alloys, copper or nickel, as well as harder metals such as iron, zirconium, titanium and sheet steel.

    By UNTHA Shredding Technology based in Kuchl, AUSTRIA.

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