2006 - GRS-Batterien

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10 5. Volume of batteries collected, according to origin / § 10(1)2. BattV As in previous years, the most popular channel for battery collection was in retail in 2006. Just under half (49 %) of all spent batteries and accumulators collected by GRS Batterien were sourced from retail. The proportion of batteries coming from municipalities fell by a percentage point year on year, while the proportion coming from the trade industry rose by the same amount. There was next to no change year on year in the volume of batteries and accumulators sourced from waste electrical and electronic equipment being stripped down, suggesting that the EU Municipalities 25 % Municipalities 24 % Industry 25 % Industry 26 % directive on waste electrical and electronic equipment had had little effect. In the year under review, more collection points in the retail and industry were provided with collection containers. The origin of spent batteries and accumulators varies greatly from state to state. This is due to the very different waste disposal structures around the country. The proportion of municipalities in Hessen is just 5 %, because very few municipalities there make use of the GRS Batterien services. Armed forces 1 % Armed forces 1 % Retail 49 % Retail 49 % Municipalities Industry Retail Armed forces
6. Sorting of spent portable batteries The sorting process Portable batteries and accumulators are collected as a mixture, as consumers are not in a position to presort them. The batteries are then sorted into electrochemical systems after they have been collected. The GRS Batterien service providers use two different sorting methods: • X-ray method The batteries are sorted according to size and the round cells pass through an X-ray sensor. The type of battery is identified on the basis of the grey areas on the X-ray. This system is capable of sorting more than 20 batteries a second with accuracy of over 98 %. • Electromagnetic method This method identifies types of magnetic round cells with the help of an electromagnetic sensor. The sensor’s magnetic field changes according to the electrochemical battery type passing it, thus identifying up to six battery types a second. This system likewise has a sorting accuracy of 98 %. These sorting facilities have a total sorting capacity of more than 15,000 t/a. Mercury in batteries Year in, year out, GRS Batterien analyses the mercury content of the AlMn and ZnC batteries it collects. The results of this analysis indicate that the mercury content in batteries is steadily declining. This means it will be possible to recycle more and more of these type of batteries in the future. Recycling – the objective of sorting Sorting the collected batteries serves one purpose, that being inexpensive and environmentally friendly recycling. This means the sorting process must meet the specifications of the corresponding recycling plants. Once again in the year under review, GRS Batterien initiated two R&D projects with a view to aligning the battery sorting even more with the ultimate recycling processes. Sources: GMA (top), Uni-Cyc (bottom) 11
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2006 - GRS-Batterien

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