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Why are there Bottle Banks for white, green and brown Glass?

Question by Guest | 26/10/2016 at 22:22

Why are there actually different containers for white, green and brown glass? Why isn't the old glass just collected in only one container for all colors? Finally, you are also not sorting the paper or plastic by color when taking it to the old scrap paper collection or the usual garbage bin.

Wouldn't be one single bottle bank for all kinds of glass enough?



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The old glass is melted down and then it is reused. For doing so, it must be ensured that the white glass is not tainted or contaminated too much, because otherwise it is no longer possible to create transparent glass from it.

When recycling paper or plastic, the used method is somewhat different, impurities are not playing that important role like it is with glass.

It is similar with colored glass. The more varietal and single origin the glass is, the better. Nevertheless, with colored glass the proportions of wrong color may be bigger. That is why in some cities, there are only containers for white glass and coloured glass.
27/10/2016 at 20:10

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