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Agnico Eagle's gold mine in Kittilä, northern Finland, is the largest primary gold producer in Europe. Initially, Agnico Eagle was not satisfied with its existing pH measurements. They were inaccurate and the calibration of instruments was taking up a considerable amount of time and resources. With Endress+Hauser's Memosens technology, they now have confidence in their pH measurements and reduced the time spent on calibrations and field repairs by up to 90%.

The results

  • The time spent on calibrations and field repairs could be reduced from 2200 to approximately 240 labour hours per year.
  • The released time and labour resources can now be used for more productive tasks.
  • With the use of Memosens and Liquiline instruments maintenance activities no longer have to be carried out under difficult conditions in the field so that working safety could be improved.
  • Using the same measuring technology for manual and inline measurements led to complete data consistency and, thus, to more confidence in the measuring results.
  • The consumption of the expensive sodium metabisulphite chemical has been reduced by up to 50%.

More information at Endress+Hauser

Process automation worth its weight in gold

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