ANDRITZ to upgrade bleaching system for Cartulinas CMPC in Maule, Chile

Graz, November 16, 2016 -- International technology Group ANDRITZ has received an order from Cartulinas CMPC S.A. to upgrade the complete bleaching system at its mill in Maule, Chile, which processes 100% radiata pine for the production of softwood BTMP (bleached thermo-mechanical pulp). Start-up of the upgraded bleaching system is scheduled for the fourth quarter of 2017.

The ANDRITZ scope of supply encompasses

• components for the existing ANDRITZ screw press that feeds the installed ANDRITZ HC mixer
• a new screw conveyor system to the peroxide high-consistency (PHC) bleaching tower
• a new ANDRITZ PHC bleaching tower including an integrated medium-consistency (MC) pump
• a new pulp screw press including dilution conveyor as well as
• a new MC pump to feed the pulp to the existing storage tower.

The bleaching system upgrade by ANDRITZ will lead to an increase in BTMP production from 30 to 37 admt/h, while at the same time substantially reducing energy consumption per ton of pulp produced.

ANDRITZ’s proven advanced bleaching technology for mechanical pulping processes, the high reliability of its systems, equipment, and components as well as the long-term and successful business relationship between the two companies were decisive for Cartulinas CMPC to place the order with ANDRITZ.

Cartulinas CMPC S.A., Planta Maule, is one of the leading board producers in America with customers in more than 40 countries worldwide.

ANDRITZ PULP & PAPER is a leading global supplier of equipment, systems, and services for the production and processing of all types of pulps, paper, tissue, and cardboard. The technologies cover the processing of logs, annual fibers, and waste paper; the production of chemical pulp, mechanical pulp, and recycled fibers; the recovery and reuse of chemicals; the preparation of paper machine furnish; the production of paper, tissue, and board; the calendering and coating of paper; as well as treatment of reject materials and sludge. The service range includes modernization, rebuilds, spare and wear parts, service and maintenance, as well as machine transfer and second-hand equipment. Biomass, steam, and recovery boilers, as well as gasification plants for power generation, flue gas cleaning plants, plants for the production of nonwovens, dissolving pulp, and panelboards (MDF), as well as recycling plants are also allocated to the business area.

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