Customer case:

BioCMPC project - A major upgrade of Guaíba mill’s line 2

Sep 20, 2024

CMPC acquired the Guaíba mill, located in southern Brazil in the Rio Grande do Sul state, in December 2009. The first line was originally built in 1972, and a second production line, Guaíba 2, started up in 2015. In 2021, CMPC decided to significantly invest in upgrading their operations.

CMPC Guaíba mill, located in Rio Grande do Sul in Brazil.
“I’m very enthusiastic about the project’s finalization phase and look forward to a successful ramp-up from November 2023 onward to make the Guaíba mill one of the most sustainable in Brazil”
Jailson de Aquino, Industrial Director for CMPC in Brazil

Summary

Mauricio Harger, General Director for CMPC in Brazil

Location CMPC Guaíba pulp mill, located in the Rio Grande do Sul state in southern Brazil.
Customer challenge

The BioCMPC project consists of upgrading and increasing the production capacity of line 2 of CMPC's Guaíba (RS) unit from 1.5 million ADt/year to 1.85 million ADt/year in a sustainable way.

CMPC also wanted be a leader in sustainability and to be a global change agent in social development. 

Solution
  • Expanded wood handling: fourth chipping line, chip silo, screen and more conveyors were added (delivered by Demuth)
  • New high-power recovery boiler with electrostatic precipitators
  • Expanded ash leaching
  • Upgrades:
    • Cooking and fiberline
    • Causticizing
    • Lime kiln
    • Pulp drying and baling
    • Evaporation plant
    • Mill-wide NCG
  • Upgraded automation system including new flow control solutions, advanced new process controls and an operator training simulator.
Keywords BioCMPC, Guaíba, Pulp, Brazil