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

The BioCMPC project – A leap in sustainability and operational efficiency

BioCMPC – a major upgrade and modernization project of CMPC Guaíba mill’s line 2 – opens the next chapter in the mill’s story. The investment will result in a major leap in the mill’ sustainability and operational efficiency, and increase their annual pulp production capacity by 350 thousand tonnes.

CMPC Guaíba is now a full Valmet mill including wood handling from Demuth

Demuth has delivered three wood handling lines to Guaiba 2, started up in 2015. During the BioCMPC project a fourth chipping line, chip silo, screen and 1600 meters of conveyors were added.

Now the complete wood handling installation includes a production level of 2,000 m³ sub/h (originally 1500 + upgrade 500) and a chip storage of 130,000 m³ loose chips.

Four chipping lines
Stacker reclaimer
Chip screening station
Bark chipping station (for eucalyptus)
Belt conveyors