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Detailed information on metrics and targets related to the topic of climate change.

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  • Chemical oxygen demand (COD) in effluents from industrial operations, in kg/t

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    Change view:

    • wdt_ID Direct chemical oxygen demand (COD) in effluents by unit (kg/t) 2019 2020
      1 Suzano 8.34 9.70
      2 Rio Verde 2.54 2.90
      3 Limeira 4.54 3.30
      4 Jacareí 7.48 5.40
      5 Imperatriz 2.78 3.61
      6 Mucuri 11.84 13.33
      7 Aracruz 8.07 7.84
      8 Belém 2.26 13.40
      9 Maracanaú (Fortaleza) 0.02 0.02
      10 Três Lagoas 7.33 7.94

    Additional information:

    In 2020, the gross balance of Chemical Oxygen Demand (COD) of effluents discharged, increased by 19% compared with 2019. This reflects the 9.9% increase in production in the same period, mainly concentrated in the Imperatriz, Mucuri and Aracruz Units.

    In specific terms (kg of BOD per ton of product), Suzano recorded an increase of 8.4%—from 6.33 kg/t in 2019 to 6.86 kg/t in 2020. The number is below the target established for the industrial units (7.00 kg/t). Despite these numbers, Suzano remained within the baseline range of international standards (between 8.00 and 23.00 kg/t) set out by the IPPC (Integrated Pollution, Prevention and Control 2015 – European Commission).