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| Environmental protection in production |
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For virtually all machining processes on metal and glass materials, Carl Zeiss uses coolants, lubricants and abrasives. In the past few years, water-based emulsions have replaced oily emulsions. Improvements on the machining processes in the Oberkochen plant have led to a reduction in annual water consumption despite an increase in production volume during the same period.
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| The microfiltration system in the Aalen eyeglass lens factory cleans the water used in lens production. The water used in the cleaning process flows back to the production area. |
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Used coolants, lubricants and abrasives are broken down into their individual oil and water components by an emulsion fission reactor in the Oberkochen plant. The oil is then reprocessed and recycled. The water is cleaned until no residue is left.
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