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Preferably use process materials from renewable raw materialsAvoiding conventional auxiliary and process materials (usually made from petrochemicals) can be realized by using renewable raw materials. These are usually made from plant material and they are already available as alternatives for a number of applications (lubricants, coloring agents...) 
Recycle process materials whenever possibleConsumption of auxiliary and process materials may be considerably reduced through recycling of these materials. In metal working recycling of coolants and lubricants is already considered best practice; similarly, other auxiliary and process materials (e.g. water) may be recycled (e.g. in combination with heat recovery), thus ensuring not only manufacture with a minimum of waste, effluents, and emissions but also a reduction of costs. 
Use environmentally acceptable auxiliary and process materials and avoid hazardous materialsAuxiliary and process materials used in production should be environmentally acceptable in order to minimize possible hazards for employees and the environment. Avoid toxic substances (c.f. respective lists of toxic substances), identify environmentally hazardous materials, and replace them by alternative materials. |
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Institute for Engineering Design - ECODESIGN
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