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Veolia Water Solutions & Technologies
L'Aquarène
1 place Montgolfier
94417, Saint Maurice
France

Tel: +33 (0)1 45 11 55 55
Fax: +33 (0)1 45 11 55 80

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Veolia Water Solutions & Technologies is made of 135 business units worldwide

Suzano Papel e Celulose S.A., Mucuri, Bahia - Brazil

The Brazilian Group Suzano Papel e Celulose, one of the largest integrated paper company in Latin America, produces eucalyptus pulp, coated and uncoated writing and printing paper and paperboard at its three mills in Brazil.

Our client

At its Mucuri site, located in the southern part of the Bahia state, Suzano currently produces 680,000 t/y of pulp and paper (440,000t/y of kraft pulp and 240,000 t/y of printing and writing paper).

The Mucuri Mill employs around 760 people today. This workforce is expected to increase to 900 in the future.

Client's needs

In 2004, the Suzano group decided to build a new, large kraft pulp line (1,000,000 t/y) at its Mucuri site, in order to raise its global pulp production to 1, 680,000 t/y by 2007. With this output, Suzano Papel e Celulose will rank among the world's ten largest pulp producers.

As part of this project, Suzano needed to increase its wastewater treatment capacity and efficiency, keeping its environmental performance within the World Bank Guidelines for Pulp and Paper industries.

The key project objectives were:

  • treat the increased COD, BOD and other polluting loads to the international standards.
  • secure high availability and optimized performance of the plant

Our solution

To meet the needs of Suzano Papel e Celulose, Veolia Water Solutions & Technologies Brazil designed an innovative solution including:

  • ­dedicated cooling tower,
  • ­increased aeration capacity of the existing aerated lagoons, 
  • ­three Moving Bed Bio Reactors (MBBR) of 5500 m3 each, to be placed downstream the aerated lagoons,
  • ­two AF-Press™ screw presses downstream the pre-dewatering units; maximum sludge dewatering capacity is 80 t DS/d; dry solids content is over 40%.

The scope of supply for this Turn-Key contract includes all necessary equipment and ancillary systems and services.

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