Manufacturing activities cause various wastes. These are divided into two main categories: hazardous and non-hazardous wastes. Hazardous wastes include cutting fluids, various types of waste oil, paints and solvents, oily wastes and solid wastes etc. Hazardous wastes are taken to a hazardous waste disposal facility for appropriate treatment. All Wärtsilä companies sort their waste according to local municipal regulations. Generally speaking the main sorting categories are: waste to be incinerated, crude waste for landfills, clean cardboard and waste paper. Waste wood, scrap metal and metal swarf are collected separately. Only coarse waste and in some cases waste wood are removed for landfill disposal. Other wastes are used either as raw materials or for energy.

Waste management in Wärtsilä has four aims:

  • To reduce the amount of waste generated in processes
  • To use waste as a material
  • To use waste as energy
  • To dispose of waste in an environmentally sound way
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