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

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  • Biological oxygen demand (BOD) in effluents from industrial operations, in tonnes

    Related Material Issues

    Change view:

    • wdt_ID Direct biochemical/biological oxygen demand (BOD) in effluents by unit (t) 2019 2020
      1 Suzano 564.87 663.74
      2 Rio Verde 9.10 9.33
      3 Limeira 162.64 220.9
      4 Jacareí 599.95 538.86
      5 Imperatriz 35.74 93.89
      6 Mucuri 284.05 292.34
      7 Aracruz 1,354.48 1,841.68
      8 Belém 39.90 42.05
      9 Maracanaú (Fortaleza)¹ 0.12 0.13
      10 Três Lagoas 1,631.29 1,230.52
    1. The Maracanaú Unit (Fortaleza) does not produce pulp or paper, thus effluents are discharged directly into the public utility's network, as per the required standards, in amounts much lower than other units.

    Additional information:

    In 2020, the gross balance of effluents discharged increase by 5.4% 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 achieved a reduction of 4.1%—from 0.47 kg/t in 2019 to 0.44 kg/t in 2020. These numbers are within the baseline range of international standards (between 0.3 and 1.5 kg/t) set out by the IPPC (Integrated Pollution, Prevention and Control 2015 – European Commission).